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1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 OPERATING MANUAL NORMARC 7033 TABLE OF CONTENTS PART I DESCRIPTION........................................................................................1-1 1 SYSTEM DESCRIPTION.................................................................................1-1 1.1 System Overview ............................................................................................... 1-1 1.2 Abbreviations....................................................
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 4.2.2 Pushbuttons................................................................................................. 4-4 4.2.3 System Status Indications ........................................................................... 4-5 4.3 Interlock Switch Operation ................................................................................. 4-5 5 REMOTE MAINTENANCE AND MONITORING SOFTWARE ........................5-1 5.1 Introduction................
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 5.12 Get historical data .............................................................................................. 5-31 5.12.1General ........................................................................................................ 5-31 5.12.2Alarm storage specific ................................................................................. 5-32 5.13 Continuous data logging............................................................
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 6.3.1 Tx Parameters and DC Power supply recordings........................................ 6-1 6.3.2 Monitor Integrity Check (Alternative 1) ........................................................ 6-2 6.3.3 Monitor Integrity Check (Alternative 2) ........................................................ 6-2 6.4 Annual inspections ............................................................................................. 6-3 6.4.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 B.5 Maintenance parameter configuration................................................................ B-4 B.6 Oscillator 1 and 2 (OS 1221).............................................................................. B-4 B.7 Maintenance delay configuration........................................................................ B-7 B.8 Morse code configuration ...................................................................................
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1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 LIST OF FIGURES Figure 1-1 Figure 3-1 Figure 3-2 Figure 3-3 Figure 3-4 Figure 3-5 Figure 3-6 Figure 3-7 Figure 3-8 Figure 3-9 Figure 3-10 Figure 3-11 Figure 3-12 Figure 4-1 Figure 4-2 Figure 5-1 Figure 5-2 Figure 5-3 Figure 5-4 Figure 5-5 Figure 5-6 Figure 5-7 Figure 5-8 Figure 5-9 Figure 5-10 Figure 5-11 Figure 5-12 Figure 5-13 Figure 5-14 Figure 5-15 Figure 5-16 Figure 5-17 Figure 5-18 Figure 5-19 Figure 5-20 Figure 5-21 Figure 5-22 Figure 5-23 Fi
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-32 Figure 5-33 Figure 5-34 Figure 5-35 Figure 5-36 Figure 5-37 Figure 5-38 Figure 5-39 Figure 5-40 Figure 5-41 Figure 5-42 Figure 5-43 Figure 5-44 Figure 5-45 Figure 5-46 Figure 5-47 Figure 5-48 Figure 5-49 Figure 5-50 Figure 5-51 Figure 5-52 Figure 5-53 Figure 5-54 Figure 5-55 Figure 5-56 Figure 5-57 Figure 5-58 Figure 5-59 Figure 5-60 Figure 5-61 Figure 5-62 Figure 5-63 Figure 7-1 Figure 7-2 Figure 7-3 /LVW RI ILJXUHV LL Analog user para
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 LIST OF TABLES Table 5-1 Table 5-2 Table 5-3 Table 5-4 Table 5-5 Table 5-6 Table 5-7 Table 5-8 Table 5-9 Table 5-10 Table 5-11 Table 5-12 Table 5-13 Table 5-14 Table 5-15 Table 5-16 Table 6-1 Table 6-2 Table 6-3 Table 6-4 Table 6-5 Table 6-6 Table 6-7 Table 6-8 Table 6-9 Table 6-10 Table 6-11 Table 6-12 Table 6-13 Table 6-14 Table 6-15 Table 6-16 Table A-1 Table A-2 Table A-3 Table A-4 Table A-5 Table A-6 Table A-7 Table B-1 Table B-2 Table B-3 Tabl
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Table C-1 Table C-2 /LVW RI WDEOHV LL CEGS Monitor Reference Data........................................................C-9 All Glide Slopes Normal Radiated Parameters ................................
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 3$57 , '(6&5,37,21 1 SYSTEM DESCRIPTION 1.1 System Overview The NM 7000-series Glidepaths comprises the following units or sub-systems: • • • • Glidepath Cabinet Power Supply Remote Control RMM System (Optional) GP TRANSMITTER ILS Localizer and Glide Path U TRANSMITTER AND MODULATOR I and II CSB CL SBO CL CSB CLR* MONITOR I and II CL CLR* DS REMOTE CONTROL UNIT ANTENNA DISTRIBUTION NETW.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 The Power supply is a separate, wall mounted unit. Back-up batteries are float charged, and are connected to the GP cabinet. The Remote Control unit is intended for installation in the tower or a technical room to give remote control and status indication. An optional Remote Slave panel can be used if control and status indication is required in additional positions.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 RF RMM RMS ROM RTC SC SDM SPA SRAM STB SW TRM TX UART Radio Frequency Remote Maintenance Monitor Remote Monitoring System Read Only Memory Real Time Clock Station Control Sum in Depth of Modulation Same Parameter Alarm Static Random Access Memory Standby SoftWare TeRMinator Transmitter Universal Asynchronous Receiver Transmitter 1DYLD $YLDWLRQ $6 6<67(0 '(6&5,37,21
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1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 2 Technical specifications NM 7033 Two-Frequency Glidepath Cabinet. 2.1 Signal Minimum Performance GP Transmitter Frequency range Frequency tolerance Output power (CSB + SBO) course Output power (CSB) clearance Harmonic radiation RF difference frequency (2-freq.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Additional NF delay Line break, ILS-remote control (disable optional).
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1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 3$57 ,, 23(5$7,21 3 Main cabinet 3.1 Power on/off 1 1 The power ON/OFF switches are located on front of the main cabinet. Adjacent to the switches are GND sockets for connecting wrist strap to ensure ESD-protected environment when performing maintenance operations.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 3.2 Local Control Operation 7; 7; &2856( 3$5$0 6(59,&( ',6$*5 &/5 $/$50 %$77 &2$;,$/ ,'(17 :$51,1* 326,7,21 0$,17 67%< 1250$/ 0$,1 21 &+$1*( 2)) 29(5 /2&$/ ,17(5/2&. 5(027( 7; 7; 0$18$/ $872 29(55,'( :5,7( 3527(&7 HBK 551/1 Figure 3-2 LC1217A front panel 3.2.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 remote control), the ILS will turn off all active transmitters and not allow them to be turned on before the interlock condition is removed. This signal overrides manual mode of operation. 3.2.2 Pushbuttons ON/OFF Used to: • Toggle the ILS on/off. Valid when: • The LOCAL/REMOTE switch must be in LOCAL position, and • The interlock signal is not active if the ILS is configured for interlock.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 LOCAL / REMOTE Used to: • Select between LOCAL and REMOTE mode of operation. REMOTE mode of operation will inhibit use of the local push-button (as described above) and the use of the local serial communication port for entering RMS access level 2 and 3. LOCAL mode of operation will inhibit use of the remote control pushbuttons (ON/OFF, CHANGEOVER) and the use of the remote serial communication ports for entering RMS access level 2 and 3.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 ALARM Used to: • Indicate that the ILS has detected an alarm condition. Activated by: • One or more alarms present. PARAM SERVICE DISAGR ALARM BATT IDENT WARNING MAINT STBY NORMAL HBK613-1 WARNING Used to: • Indicate that the ILS has detected one or more warning conditions. Activated by: • Warning condition(s) detected by RMS.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 • One or more maintenance parameters faulty or outside limits. STANDBY TRANSMITTER ON AIR Used to: • Indicate that coax position directs the standby transmitters to the antenna and the main transmitters to the dummy load. Activated by: • Coax position differs from transmitter main select. COAXIAL POSITION TX1/TX2 Used to: • Indicate the position of the coax relay. Activated by: • Coax relay position.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 3.3 Local Keyboard/Display Operation ESC PREV NEXT - + ENTER QUICK READ HBK550-1 Figure 3-3 The local keyboard/display 3.3.1 The menu structure. The front panel menu system includes a 20x4character LCD with 7 dedicated pushbutton keys. The system is organised as a top-down menu tree-structure where the main menu is the default entering point. The main menu screen has three menu-options.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 >Read syst para Local settings Syst settings L1 L2 L3 Figure 3-4 The top level main menu screen. 3.3.2 Handling the different menuscreens. The menu system consists of five basic screen types; menu-screens, readout-screens, toggle-screens, input/storing-screens, and the quick read screens. 3.3.2.1 The menu screen The menu screen is controlled by the key-buttons: and .
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 TX 1 90 Hz on/off [90 Hz tone on] Figure 3-6 A typical toggle screen: TX1 90Hz on/off. 3.3.2.4 Input/Store screen The user can change the various parameter alarm and warning settings in the input/storingscreens. A virtual cursor is controlled by the and keys. An input field number will blink if the cursor is moved to the correct position. The blinking limit values can now be changed by pushing the plus «+» and minus «-» keys.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 denied access if the switches are not correctly set. Local switch on Front panel in REMOTE position Push Figure 3-9 An access denial screen: Switch in REMOTE position. 3.3.3.2 Level 3 To enter the level 3 menu option, the front panel switches must be as for level 2 access. In addition the WRITE PROTECT switch must be in «ACCESS» position. The user must key a 4 character password to enter level 3 access.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 3.3.4.2 Level 2 Ident. configurations with morse signal settings to normal, continuous, TST or off on TX1/TX2. Local morse speaker on/off on the transmitters. TX1 and TX2: test-signal 90 Hz or 150 Hz dominance on/off. TX1 and TX2: 90/150 Hz on/off. Communications. 3.3.4.3 Level 3 Settings of all the monitor warning and alarm limits. Settings of all the maintenance warning limits. Settings of all the delays.
0DLQ FDELQHW Monitor 1 Monitor 2 LF generator 1 LF generator 2 Mon 1 frontend Mon 2 frontend Oscillator 1 Oscillator 2 Course TX1 PA Course TX2 PA Clearance TX1 PA Clearance TX2 PA DC supplies TX1 configuration TX2 configuration Test signals TX1 Test signals TX2 TX configuration Mon1 delays Mon2 delays Maint delays System delays Maint. val. & lim. Mon. 1&2 alarm par Mon. 1&2 warn. par Mon. parameters Mon. parameters Maint. val. & lim.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 4 Tower Equipment 4.1 Remote Control Operation SILENCE P ARAM ALARM DISAGR B AT T WARNING IDENT MAINT NORMAL STBY ON/ CHANGE OFF OVER RMM ACCESS GRANT DENY HBK566-1 Figure 4-1 RF1242A front panel. 4.1.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 ON/OFF Used to: • Toggle the ILS on/off. Valid when: • The LOCAL/REMOTE switch must be in REMOTE position, and • The interlock signal is not active if the ILS is configured for interlock. CHANGE OVER Used to: • Toggle the coax relay and transmitters between TX1/TX2 as the active transmitter(s). Valid when: • The LOCAL/REMOTE switch on the ILS is in REMOTE position, and • The ILS is «on» when he MANUAL/AUTO switch is in AUTO position.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Activated by: • No alarms present, and • Communication with ILS is OK. PARAMETER WARNING Used to: • Indicate that there are one or more monitor parameter warnings present. Activated by: • One or more monitor parameters outside the warning limits. MONITOR DISAGREE Used to: • Indicate that there are one or more monitor parameter warnings present. The warnings from the monitor 1/monitor 2 are voted before displayed.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 4.2 Remote Slave Operation SILENCE ALARM WARNING NORMAL ON/ OFF HBK599-1 Figure 4-2 SF1344A front panel. 4.2.1 Glossary INTERLOCK When an ILS is in active interlock mode (the interlock signal is an input to the remote control), the ILS will turn off all active transmitters and not allow them to be turned on before the interlock condition is removed. This signal overrides manual mode of operation. 4.2.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 • The LOCAL/REMOTE switch must be in REMOTE position, and • The interlock signal is not active if the ILS is configured for interlock. SILENCE Used to: • Turn off the audio alarm on the slave panel (generated by remote control). Also used for lamp test (all lamps are illuminated when this push-button is held down). Valid when: • Always. 4.2.3 System Status Indications ALARM Used to: • Indicate that the ILS has detected an alarm condition.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 The remote control will always be set in ALARM state when the interlock override function is activated.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 5 Remote Maintenance and Monitoring Software This chapter is the user manual for the Remote Maintenance and Monitoring (RMM) software. Version 3.9 of the RMM software is covered in this chapter. This version can be used to connect to ILS cabinets with version 5 up to and including version 12 of the RMS software. 5.1 Introduction This paragraph gives a brief description of this user manual, the program and the system requirements. 5.1.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 If a 386- or a slow 486-based PC is used, it is recommended to drop the bitrate to 2400 or 4800 bps. If a mouse is available, it is supported by the RMM software. 5.1.4 Running under Microsoft Windows 3.xx Neither the DOS version nor the Win95/NT version of the RMM program runs under Windows 3.xx. The DOS version can, of course, be started on a PC with Windows 3.xx installed as long as Windows is not also started.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 2. Use the arrow keys to select the menu you want to display. Then press Enter. As a shortcut for this step, you can just press the highlighted letter of the menu title. For example, when the menu bar is active, press F to move to and display the File menu. At any time, press Alt and the highlighted letter (such as Alt+F) to display the menu you want. 3. Use the arrow keys again to select a command from the menu you have opened. Then press Enter.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 istics: • a title bar • a close box • scroll bars • a zoom box • A window that controls a modem also has a flow display icon. This icon is normally changing, indicating that new data is received from the ILS station. The close box of a window is the box in the upper left corner. Click this box to quickly close the window. (Or choose Window | Close, with shortcut Alt+F3). The Help window is considered temporary; you can also close it by pressing Esc.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 To accomplish this: Open and display a saved log file Close a window Hang up phone and close data window Move the active window Resize the active window Zoom the active window Use one of these methods Choose File | Display log. Select the window, and press Alt+F3. Select the corresponding control window, and press Alt+F3. Drag its title bar.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-1 A sample dialog box. 5.3.3.1 Action buttons This dialog box has two standard buttons: OK and Cancel. If you choose OK, the choices in the dialog box are accepted; if you choose Cancel, nothing changes and no action takes place, and the dialog box is put away. You can press F1 to open a Help window for this dialog box. Esc is always a keyboard shortcut for Cancel (even if no Cancel button appears).
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 5.3.3.3 Toggles Toggles let you select one setting out of a group defined settings. They are similar to Radio buttons (chapter 5.3.3.2); except that only the selected setting is displayed. You select other settings by clicking on the text showing the toggle setting, or by pressing the space bar. 5.3.3.4 Input and list boxes Input boxes let you type in text.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 . Figure 5-2 Com port setup dialog Selecting one of the Channel setup buttons opens up a dialog like Figure 5-3 shows. Figure 5-3 Channel setup dialog Note: DOS version also has the “Modem hangup String” and “Use DTR to hangup” fields in this window. In the Win95/NT version DTR will always be used to hangup the modem. The items in this dialog has the following purposes.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Item Leased line Normal dial-up Modem Init String Hang-up String Purpose Select this if the PC is connected to the ILS via dedicated leased line modems. Select this if the PC shall connect the ILS via modem on a public telephone network. This string will be sent to the modem before each dialing process starts. The default is ATZ, which performs a software reset of the modem. Command to make the modem hang up the phone.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 The Printer setup dialog contains options for an optionally connected printer. The dialog is shown below. Figure 5-5 Print setup dialog The purpose of each field in the dialog is described below. Item Port Print frames Send form-feed Purpose Determines the printer port to use for the printing. If “File” is selected the output will be sent to the file specified in the string input field.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 . Figure 5-6 Preferences dialog The DDM setting applies to all user input and all screen or printer output of DDM measurements. Selecting % means that input/output is in percent, likewise, selecting uA results in micro ampere input/output. The date format field selects day-month-year or month-day-year display of time. 5.4.5 Toggle video mode This menu selection toggles the current video mode between 25 lines and 43/50 lines. 5.4.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-8 Station list dialog. This dialog contains a list showing the name and number of the configured stations. Use the scroll bar to the left of the list to scroll or user the up/down arrow keys. If the selected Channel for a station is a “Direct connect” channel, the number field will show DIRECT/CHx. Up to 50 stations may be configured. The following table describes how use this dialog.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-9 ILS Station setup dialog The table below describes the meaning of each field in the ILS Station setup dialog. Use field Station name Number Log dir. name Auto download MED storage Start time I/O channel To specify A name for the ILS station. Holds up to 20 characters. This name is saved in the log files you create. The telephone number of the ILS station.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-10 Login dialog box Your assigned access level depend on the number of passwords and the username entered. Different passwords must be separated with a space character. The following table outlines the access level properties, and how to gain them. Increasing access levels adds more access rights, and retaining the rights for the lower access levels.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-11 A typical Link window 5.6.1 Shutting down the connection to an ILS To shut down an ILS connection, close the Link window for the connection you want to shut down. For information on how to close a window, see Table 5-2. Do not close the windows you want reopened the next time you connect to this ILS station. 5.6.2 Baud rate recommendations When connecting to the ILS at 9600 bps, Remote port 2 or Local port on the ILS should be used.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 To display the parameters shown in the window below select the ILS|Measurements|Monitor Window 1 menu item. This window displays the standard monitor parameters (DDM, SDM and RF-level) for each of the monitor channels (Course line, Displacement Sensitivity, Near field and Clearance Transmitter (2-freq. systems)). In addition, Difference Frequency (2freq.systems), DC-loop and Ident information are displayed.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-13 Additional monitor parameters window 5.7.4 External parameters window Selecting ILS|Measurements|External brings up the following window. This window shows the measurements on the external channels. The NM 70xx can provide executive monitoring of signals from external equipment, defined by the user (option). For external channels that are not used, no measurement field will be shown (e.g. the standby measurement field will be shown (e.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Status All parameters OK Raw warning on at least one param. Delayed warning on at least one param. Status code OK WARN (R) WARN (D) ERROR Internal I2C error on at least one param. No measurements applicable N/A Table 5-9 Status codes. Digital parameters are displayed as outlined in the above table. Analog parameters are displayed with the same character and color codes as the monitor measurements.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-16 Monitor maintenance parameters Figure 5-17 TX maintenance parameters 1DYLD $YLDWLRQ $6 5HPRWH 0DLQWHQDQFH DQG 0RQLWRULQJ
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-18 PA maintenance parameters Figure 5-19 DC-Supplies maintenance parameters Figure 5-20 RMS maintenance parameters Figure 5-21 TX Control maintenance parameters 5.7.6 User parameters window Selecting ILS|Measurements|User brings up the window shown below. This window shows the user defined input/output states and measurements.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-22 User parameters window (sample configuration). If a digital user parameter is defined as a output and you have at least access level 2, you can change the output value by changing the state of the corresponding toggle in this window. 5.8 Monitor settings The functions described in this and the following sub-chapter are accessed via the ILS|Monitor settings sub-menu.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-23 Monitor 1&2 limits window The alarm limit field will show “OFF” if the alarm limit is equal to the maximum or minimum value. The warning limit field for CL IDENT, CLR IDENT and external channels (i.e. FFM RF and VOICE) will show “n/a” as the warning limits for these parameters is not defined as a percentage of the alarm limits.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 mode. The arrowheads after each input field in this dialog can be clicked on to increase or decrease the displayed limit value. Hold down Shift to increment/decrement by a larger value. The up and down arrow keys may be used instead of the mouse. Due to the digital representation of the alarm and warning limits, the entered value is rounded to the nearest 12-bit digital value.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-25 Monitor delays window A standby column will be shown if the system is equipped with a standby monitor. The resolution of the delay parameters is 1/10 second. Once the “Mon 1 and 2” or the “Stdby” button has be pressed an input dialog like the one show below is opened. Enter the desired delay in the field, or use the up and down arrows to increment/decrement the current value. When the “Update” button is selected, the ILS will be updated.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-27 Analog maintenance monitor limits window This list is scrollable, all defined parameters are listed in the Maintenance monitor chapter. Figure 5-28 Digital maintenance monitor limits window This list is scrollable, all defined parameters are listed in the Maintenance monitor chapter. To change a warning limit; first select the desired parameter on the list and press the “Change” button.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 shown next will be opened. Figure 5-29 Input dialog for digital maintenance parameters To change the setting for a digital parameter click in the normal state field or use the space bar to toggle. The normal state field will toggle between Low, High and OFF. The settings for the CHARGER 1 STATUS and CHARGER 2 STATUS parameters is On and Off. Press the Update button when the desired state is shown.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 window shows the current settings for the analog user parameters. Figure 5-32 Analog user parameters definitions The following definitions can be made for the analog user parameters: Name, lower and upper warning limits, and scale and offset constants for conversion to engineering units. There is also a field for enabling/disabling generation of a maintenance warning.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 The following definitions can be made for the digital user parameters: Name, input or output selection, whether the value shall be inverted or not, and warning state of the parameter (TRUE / FALSE / NONE). To change the setting for a I/O parameter, select the parameter on the list and press the “Change” button. This brings up the dialog shown below.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 cally be updated when you stop changing the value. • Press the up and down arrows on your keyboard to increment/decrement the value. Holding Shift down will increment/decrement by a larger value. The ILS will automatically be updated when you stop changing the value. • Enter a new value in the numeric input field. The ILS will be updated when you press Enter or click the Update button.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-39 CLR mod. and DME settings dialog The fields in this window specifies the operation of the DME interface (LLZ only) and quadrature modulation of the CLR LF signal (2-freq. systems only). The following table describes the each selection. Keying master DME active signal Quadrature mod.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 ters. These scaling values are stored in the RMS system in the ILS. This implies that the values will have to be changed if a PA module is replaced. 5.11 Front panel operation When ILS|Front panel is selected a window displaying the same information as the ILS front panel is opened. See Figure 5-41. Figure 5-41 Front panel window Pressing buttons in this window has the same effect as pressing the corresponding switch on the ILS front panel.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 standard deviation of all monitor and analog maintenance parameters. Figure 5-42 Storage download window E.g. to download the alarm storage buffer; just select the Alarm storage radio button and press the “Download“ button. The software will then retrieve the alarm storage and store the data on the local hard disk. The software automatically creates a name for the file in which the data is stored. The name is of the form YYMMDD.ext.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-43 Continuous logging dialog The time interval between each time a sample is stored can also be configured in this dialog. The intervals must be entered in seconds and tenths of a second. The storage interval information entered in this dialog will be stored and associated with the current station. The software automatically creates a name for the file in which the data is stored. The name is of the form YYMMDD.ext.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-44 Events window 5.15 Test DDM The ILS|Test DDM function is for use when a DDM flight test is performed on the system. The Test DDM window is shown in Figure 5-45. The window contains the following fields: • The current CL and NF DDM nominal, measurement, and low and high alarm limit. • Buttons for quick access to the monitor alarm/warning configuration dialog (see chapter 5.8.1).
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-45 Test DDM window The test DDM values are unit-less integers in the range 0-4095. 5.16 Set ILS date/time The functionality of the ILS|Set ILS date/time window depends on whether or not the user is logged in as an ordinary user or as master user. When logged in as a master user this window allows setting of the ILS RMS system clock. When logged in as an ordinary user, this window displays the current ILS RMS system date/time.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Field Sync with PC clock (button) Description Sets the ILS RMS clock equal to the local PC system clock. Closes the ILS date/time window. Close (button) Table 5-13 Master user available operations. 5.17 User administration The functionality of the ILS|User list/adm. window depends on whether or not the user is logged in as an ordinary user or as master user.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-48 User configuration dialog 5.18 ILS Modem settings With access level 3 you have access to change ILS modem bit rate and initiation strings and make the ILS initiate the modems. Selecting ILS|Modem configuration brings up the window shown below. Figure 5-49 ILS Modem settings window. The window displays the currently configured bit rates and init strings.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 be uploaded. Configuration for one board or all boards (normally used only for new cabinets) can be uploaded. This is an access level 3 operation. Figure 5-50 Configuration upload When the OK button is clicked, the RMM software starts the upload and displays a window telling the user that the operation is in progress. The upload may take a few minutes, depending on the board type selected for upload.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 This is an access level 1 operation. Figure 5-51 Write configuration to file. The configuration file is a plain ASCII text file. The file may be inspected by the user, but to avoid introducing possible errors, it is not recommended to manually edit it 5.21 Lamp mappings At access level 3 the user may configure which of the small warning LED’s that are “mapped” to the main (big) warning LED on the local an remote control panels.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-53 Medium storage interval setting dialog The following intervals way be selected Storage interval 15 Minutes 30 Minutes 60 Minutes 120 Minutes Total medium storage time 24 Hours 48 Hours 4 Days 8 Days Table 5-15 Medium time storage interval settings 5.23 Displaying stored measurements 5.23.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 ing the appropriate windows by selecting menu items from the ILS menu. Note that some menu items will not be accessible because some information types is not stored in the log file. To move back and forth in the stored data, press F7 and F8. 5.23.2 Medium time periodic (MED) When a MED file has been opened a window as shown below will be opened.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 5.23.4 Continuous data log (CNT) When a CNT file has been opened a window as shown below will be opened. This window shows the same information as the Alarm storage window, except that this window does not have the alarm specific functions. Figure 5-57 CNT file log window. 5.24 DIAGNOSTICS 5.24.1 General description of the diagnostic functions The NM7000 RMM system has two algorithms to isolate a failure in the ILS.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Figure 5-58 Export data dialog Each field in the export file are separated by a TAB character. Each line contains all measurements in a sample. The line begins with the time stamp of sample (resolution 1 second). The next field is 1/10 seconds of the time stamp. The rest of the line is the measurements/parameters of the sample.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 5.28 Technical note - Leased line SETUP (USRobotics) USING NM7000 RMM SOFTWARE WITH LEASED LINE CONNECTION Applies to USRobotics Courier Dual Standard V.34+ modems 5.28.1 Definitions Local modem The modem attached to the PC running NM7000 RMM software. The modem attached to the NM7000 cabinet. Remote modem 5.28.2 1. • • • • 2. • 3. • • • Configuring the remote modem Set DIP switches on the remote modem.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 2. Configure the «Channel Setup» for the leased line connection as follows (all ‘0’ letters are zeroes): Figure 5-61 RMM channel setup for USR leased-line connections The modem will be automatically set up for leased when a connection with this channel is selected by the user. Users of the DOS version should also select «Use DTR to hangup». The hangup string is ignored. 5.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Figure 5-62 ILS port settings for USRobotics dial up connection 4. Initializing the remote modem. • Pressing the «Send init» button in the ILS modem settings window makes the ILS send the initialization string on the port selected in the port list. • The ILS will also send the these init strings each time the ILS is powered on. 5.29.3 Configuring the local modem 1. All modem DIP switches should be left in their factory default positions. 2.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 5.30 Technical note - Leased line SETUP (WESTERMO) This description applies to Westermo TD-32AC / TD-32DC modems. 5.30.1 DIP switch settings. SW1: ILS Modem 1 0 2 1 3 0 4 1 PC-Modem 1 0 0 0 Leased line, switch off echo and result code.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 5.31 Technical note - dial up SETUP (WESTERMO) This description applies to Westermo TD-32AC / TD-32DC modems. 5.31.1 DIP switch settings. SW1: ILS Modem 1 0 2 0 3 0 4 0 PC-Modem 1 0 0 0 Dial-up connection. Enable AT commands. Auto answer. Dial-up connection. Enable AT commands.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 3$57 ,,, 0$,17(1$1&( 6 Periodic maintenance CAT I and II IMPORTANT: No adjustments / alignments shall be done during a Periodic Maintenance. The parameters should be recorded and compared with their nominal values only. Over some time, the parameters may change due to natural variations. Variations of less than 50% of their alarm limits, are considered normal.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Open Maintenance parameters. Double click COURSE TX1 LPA/GPA, COURSE TX2 LPA/ GPA, CLR TX1 LPA/GPA, CLR TX2 LPA/GPA, DC SUPPLIES. Fill in Table 6-7 manually or make a paper copy by “Print Screen” function. Compare values with previous recordings. 6.3.2 Monitor Integrity Check (Alternative 1) 6.3.2.1 False radiation time Tx1 Main Equipment in mode AUTO. Main Select Tx1. Tx 1 on. • Remove the CL monitor cable from the monitor input.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 to Tx2 takes place. a) Check that the text: Auto ChgOver to TX2 appears in the event list. Turn off Tx2 COU Mod 90Hz in the Modulation Switches window. Observe that the system turns off. b) Check that the text: Auto ShtDown frm TX2 appears in the event list. c) Check that measurement for PA 27V level < 1V in Maintenance Monitor Windows for COURSE TX1 LPA/GPA and COURSE TX2 LPA/GPA.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Nominal frequency: (Channel frequency - 7.5kHz) ±0.002% Repeat the measurements for Clearance Tx2. Record the frequency readings in Table 6-11. 6.4.2 LF Frequency check. 90/150 Hz MODULATION FREQUENCY checks Switch on Course Tx1. • Connect the Frequency Counter to CSB test connector on Course Tx1 Section via a 50 ohm test cable.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 '(02'8/$7(' 6%2 G% 32:(5 '(02'8/$7(' 6%2 1250$/ ,0%$/$1&( +] +] 6.4.3.3 RF Phase • Connect the Oscilloscope to SBO test connector on Course Tx1 Section via 50 ohm test cable. NOTE: Set the scope's input mode to DC. Set the oscilloscope in normal trigger mode such that the waveform below can be observed. The observed waveform should resemble the NORMAL graph on the left.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 imum and minimum level, indicating 90/150 Hz zero phase start. '(02'8/$7(' &6% 1250$/ '(02'8/$7(' &6% /) 3+$6( (5525 6.4.3.5 DDM and SDM check. Switch on Tx1. • Connect the Field Test Set to the CSB Cou test connector on the Change Over Section through a 20 or 30 dB attenuator. • Use a double shielded 50 ohm coaxial test cable. On the Field Test Set read DDM. The nominal reading should be 0.0% DDM. • On the Field Test Set read SDM.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 6.4.5.1 CL DDM ALARM Apply a test signal from the RF Signal Generator to the CL input connector in the back of the cabinet.(Disconnect first the signal cable from the Monitor network). Adjust the signal to the same RF level and frequency as the normal signal applied to the monitor. Modulation shall be: 0.0% DDM, 80.0% SDM. Verify modulation setting (DDM, SDM) by checking the test signal with the Field Test Set.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 6.4.5.4 DS DDM ALARM Apply a test signal from the RF Signal Generator to the DS input connector in the back of the cabinet.(Disconnect first the signal cable from the Monitor network). Adjust the signal to the same RF level and frequency as the normal signal applied to the monitor. Modulation shall be: 17.5%DDM, 80.0%SDM. Verify modulation setting (DDM, SDM) by checking the test signal with the Field Test Set.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 same RF level and frequency as the normal signal applied to the monitor. Modulation shall be: Same as commisioned values DDM and SDM from CLR output of Monitor network. Verify modulation setting (DDM, SDM) by checking the test signal with the Field Test Set. Use the Local Display and Keyboard or the RMM Program to display the measured values for CLR DDM.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 6.4.6 Near Field Monitor delay Set the AUTOMATIC/MANUAL switch to AUTOMATIC, the REMOTE/LOCAL to LOCAL and MAIN SELECT to Tx1. Switch on Course Tx1 and Clearance Tx1. System Status Indications should be NORMAL and SERVICE Make an alarm by removing the NF cable to the Cabinet. After the specified delay, the transmitter shall change to Tx2, then after the same time lapse Tx2 shall shut down.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 DDM % SDM % RF V DS DDM % SDM % RF V NF DDM % SDM % RF V CLR DDM % SDM % RF V DF kHz CL IDENT CLR IDENT Self test DC Loop MON1 MON2 N.A. N.A. N.A. N.A. N.A. N.A. CL Table 6-1 Monitor 1 window (Tx 1 to Air) DDM % SDM % RF V DS DDM % SDM % RF V NF DDM % SDM % RF V CLR DDM % SDM % RF V DF kHz CL IDENT CLR IDENT Self test DC Loop MON1 MON2 N.A. N.A. N.A. N.A. N.A. N.A.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 CL DDM % SDM % RF V DS DDM % SDM % RF V NF DDM % SDM % RF V CLR DDM % SDM % RF V DF kHz CL IDENT CLR IDENT Self test DC-loop MON1 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 15.0 MON2 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 15.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 CL DDM % SDM % RF V DS DDM % SDM % RF V NF DDM % SDM % RF V CLR DDM % SDM % RF V DF kHz CL IDENT CLR IDENT Self test DC-loop MON1 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 15.0 MON2 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 0.0 80.0 3.0 15.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 DC Supplies Unit Course Tx1 LPA/GPA RMS +5V (V) PA 27V Level (V) RMS Battery (V) CSB Level (W) PS1 -15V (V) SBO Level (W) PS2 -15V (V) PH CORR LEVEL PS1 +5V (V) PS2 +5V (V) Course Tx2 LPA/GPA PS1 +8.5V (V) PA 27V Level (V) PS2 +8.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 a) b) c) d) e) f) Date General alarm delay Tx1 - Tx2 Changeover carried out PA 27V level General alarm delay Tx1 - Tx2 Changeover carried out PA 27V level sec sec Table 6-9 Monitor Integrity Test (Alternative 1) a) b) c) d) e) f) g) h) Date Auto ChgOver to TX2 (ok) PA 27V level <1V (ok) Auto ShtDown frm TX2 (ok) PA 27V level <1V (ok) Auto ChgOver to TX1(ok) PA 27V level <1V (ok) Auto ShtDown frm TX1 (ok) PA 27V level <1V (ok) Table 6-10 Monit
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Date Mon1/Mon2 Text Parameter ref.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 7 Corrective maintenance 7.1 Overview This chapter contains procedures for locating and replacing faulty Line Replaceable Units (LRU). 7.2 Diagnostic functions 7.2.1 General description If the LLZ or GP fails, the RMM software should be used to locate the faulty LRU. The RMM software can perform two types of diagnostic tests based on the measurements made available by the embedded RMS software in the NORMARC 7000 cabinet: 1.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 monitor data sets are stored at ¼ of this frequency. • For the last 10 seconds, one data set is stored each second. • For the last 30 seconds, monitor 1, 2, standby and maintenance data are stored every 5th second. When a changeover or shutdown alarm occurs the RMS does the following: 1. Stores the ring buffer with the last 30 seconds of monitor and maintenance data from before the alarm in an internal alarm storage buffer.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 • Make sure you are wearing an ESD chain that is connected to either the ILS cabinet or some other grounded point. • Replace the faulty module. • Power up the system. • Perform necessary adjustments for the unit in question; please refer to ch. 7.3.2-7.3.10. • Check the Monitor and Maintenance parameters, make a new printout and compare with the printed report made when the system was operating normally.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 DDM measured with the 3710. Check that the CL DDM readings are the same as with 3710. ADJUSTMENT (NF CHANNEL): Pre-check Check that all monitor inputs from MCU are correct. (Use field measurement instrument NM3710). Make a note of the values. RF-level Set R3338 in middle position. Set strap fields S++ on connector P3002 and adjust R3338 until TP3023 reads 240mV.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 RMM software. Measure the RF frequency at the CSB outlet at the front of the ILS cabinet CHECK: Power down the system and place the card inside cabinet. Maintenance Check the maintenance parameters for the OS1221 unit. 7.3.5 MO1212 replacement PREPARATIONS: • Power down system. Remove old unit. • Compare the version numbers of the removable EPROM on the card. Make sure the new unit contains the same or newer EPROM software version.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 For more extensive integrity testing of the monitors, please refer to Operating Manual, chapter 6. 7.3.7 RMA1215 replacement PREPARATIONS: Power down system. Remove old unit. Compare the version numbers of the removable RMS EPROM on the board. Make sure the new unit contains the same or newer EPROM software version. ADJUSTMENT: • Use RMM software to upload configuration to RMA1215.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 that the CSB and SBO phase of of the cabinet is correct. 7.3.10 LPA1230/GPA1231/GPA1232 replacement PREPARATIONS: Power down system. Remove old unit and place the new unit in cabinet. ADJUSTMENT: Turn on transmitters. Follow the procedure in chapter 7 in the Technical Manual to re-adjust the transmitters. CHECK: Check waveforms as described in chapter 7 in the Technical Manual. 7.4 Detailed description of the automatic diagnostic algorithms 7.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 EXTERNAL FACTOR COMMON CABLING TX CONTROL REMOTE CONTROL ANTENNA SYSTEM USER INPUT UNABLE TO ISOLATE 7.4.3 An external factor influencing monitor measurements. Cabling or any part of the system that is common for the transmitters or monitor system, e.g. antenna element, cable, distribution- or monitoring networks. TX control board (TCA1218) (LRU) Remote control unit (RCA1240) (LRU) or its communication link. Antenna system.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 A maintenance warning on a board listed in the following table indicates that there is a fault on that board. Board LF generator 1 or 2 Oscillator 1 or 2 RMS board Monitor 1 or 2 TX Control board User defined inputs 7.4.3.2.4 Power amplifier tests DIAGNOSTIC ALGORITHM: Warnings on a PA implies PA failure if there is no warning or error on the corresponding OS or LF.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 DIAGNOSTIC ALGORITHM: If there is a warning on the standby monitor board this board is faulty. 7.4.3.2.9 Standby monitor frontend tests DIAGNOSTIC ALGORITHM: If there is a warning on the standby monitor frontend board AND there is no warning or alarm indication on the standby monitor measurements then the standby monitor frontend board is faulty. 7.4.3.2.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Start monitor warning tests. CL or DS warning on both monitors? No NF warning on both monitors? Yes CLR warning on both monitors? No No DF warning on both monitors? No Yes Yes Yes Warning on active OS? Yes Warning on NF RF on one or both mon.? No Yes No Active OS is faulty Warning on active LF? No Yes Common cabling is faulty "External factor" is reported as faulty.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 No maintenance warnings Start changeover diagnostics Maint warn on main OS? Yes CL or DS alarm? Main OS is faulty Yes Main COU TX is faulty Yes External obstruction is blocking signal Yes Main CLR TX is faulty No No Maint warn on main LF? NF alarm? Yes Main LF is faulty No No CLR alarm? Maint warn on main COU TX? Yes Main COU TX is faulty No No DF alarm? Maint warn on main CLR TX? Yes Yes Main OS is faulty Main CLR TX is faul
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 toring section. Start changeover/ shutdown diagnose. Is NF DDM or SDM alarm the cause of both alarms? Yes External obstruction is faulty. Yes The TXC board is faulty. No Is there maint. warnings on the TXC board? No Common cabling is faulty. No Changeover/ shutdown diagnose done. Figure 7-3 Flow diagram for diagnosing changeover/shutdown alarms.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 &RUUHFWLYH PDLQWHQDQFH 1DYLD $YLDWLRQ $6
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 3$57 ,9 $33(1',; A Monitor and Maintenance Parameters A.1 Monitor Alarm Parameters These are ILS parameters measured by the monitors. An alarm on any of these parameters will cause change-over/shut-down.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 A.2 Maintenance Parameters These parameters may cause maintenance warning and can be used for fault isolation purposes. Originates Parameter from module MO1212 +5V OK STS ACT DSP PFO DSP ERROR DIAG RST SYNC ERROR +15V OK -15V OK MF1211/ CL RF LEVEL MF1219 CL BASEBAND LF1223 OS1221 Baseband level from CL monitor channel below predifined limit. DS RF LEVEL RF level from DS monitor channel below predifined limit.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 COURSE LOCK DETECT CLR OUTPUT LEVEL CLR TUNEVOLT CLR SYNTH LOCK WARN CLR LOCK DETECT COURSE synthesiser is out of lock RF level output to CLR transmitter is below a predefined level CLR tunevoltage outside predifined limits. Synthesiser has been out of lock since CLR trasmitter was turned on. CLR synthesiser is out of lock Table A-3 Logical Maintenance Parameters.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 CI1210 TX1 COURSE Measured value of current through TX1 COURSE I150 150Hz amplifier TX1 COURSE I90 Measured value of current through TX1 COURSE 90Hz amplifier TX2 CLR I150 Measured value of current through TX2 CLR 150Hz amplifier TX2 CLR I90 Measured value of current through TX2 CLR 90Hz amplifier TX2 COURSE Measured value of current through TX2 COURSE I150 150Hz amplifier TX2 COURSE I90 Measured value of current through TX2 COURSE 90Hz amplifier CH
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 B Factory default configuration settings B.1 Cat I monitor LIMIT configuration Factory default alarm, warning-limits and nominal values are shown in Table 1. DDM values are in % DDM (which is the default DDM measurement unit in the RMM software). Limit values are relative to the configured nominal value. The nominal values for DDM measurements can be configured by the user. Other nominal values can not be modified by the user.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 DC-L1 DC-L2 DC-L3 Self test Self test Self test DDM SDM RF 0 0 0 0.0 % 40 % 3.0 V 2/42 2/42 2/42 -1.4/4.0 -8/Off -1.2/1.8 100 % 100 % 100 % 100 % 100 % 100 % 0 0 0 0.0 % 40 % 3.0 V Off/Off Off/Off Off/Off -2.5/Off 25/Off -1/Off 100 % 100 % 100 % 100 % 100 % 100 % FFM FFM FFM FFM FFM FFM FFM ChA DDM ChA SDM ChA RF ChB DDM ChB SDM ChB RF EXE AL 0.0 % 40 % 0.0 V 0.0 % 40 % 0.0 V 0 -1.5/1.5 -4/4 20/80 -1.5/1.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 large enough to periodically produce a CL or CLR IDENT measurement that is greater than this low limit to reset the IDENT delay counter. All measurements that is greater than this minimum value should be accepted, the upper warning limit is therefore set to a large value (20 is the recommended value).
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Channel GEN NF IDENT FFM Cat I 5s 20 s 20 s 60 s LLZ Cat II/III 1s 20 s 20 s 60 s Cat I 3s 20 s N/A 60 s GP Cat II/III 1s 20 s N/A 60 s Table B-4 Factory default delay values. B.5 Maintenance parameter configuration This following sub-sections describes the maintenance measurements collected by the RMS for diagnostic purposes. Default warning limits is also defined for each measurement type.
0$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 B.6.1 LF generator 1 and 2 (LF 1223) Measurement COU LEVEL 90 COU LEVEL 150 COU LEVEL DC CLR LEVEL 90 CLR LEVEL 150 CLR LEVEL DC V15P OK V15N OK B.6.2 Warn. limit. HIGH HIGH HIGH HIGH HIGH HIGH HIGH LOW TX 1 and 2, Course and Clearance Measurement PA V27P LEVEL CSB POWER LEVEL SBO POWER LEVEL PH CORR PEAK LEVEL Warn. limit. 24/27 (V) 12/17 (W) 0.2/0.8 (W) 1/13 PS1/2 COU/CLR I90/I150 -0.5/1.5 (A) B.6.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 B.6.4 Monitor 1, 2 and standby (MO 1212) Measurement V5P OK STS ACT DSP PFO DSP ERROR DIAG RST SYNC ERROR V15P OK V15N OK B.6.5 Description +5 V supply voltage ok/not ok. A/D conversion completed ok/not ok. DSP +5 V ok/not ok. DSP filter conversion completed ok/not ok. For resetting diag. result (not used) DSP operation ok/not ok. +15 V supply voltage ok/not ok. -15 V supply voltage ok/not ok.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 B.6.7 Power supply 1 and 2 (PS 1227) The measurements listed here are displayed in the DC SUPPLIES maintenance window in the RMM software. Measurement V15N LEVEL V5P LEVEL V8P5P LEVEL V15P LEVEL B.6.8 Warn. limit -16.8/-13.8 (V) 4.6/5.9 (V) 8.2/9.4 (V) Description Measurement of -15 V output voltage (Volt). Measurement of +5 V output voltage (Volt). Measurement of +8.5 V output voltage (Volt). 13.8/16.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 Note that the adjustment values incorporate both a modulation level setting and a small, unpredictable, correction for individual variation on the low frequency generator boards (LF1223). The correction is shown after the “±” sign in Typical TX adjustment values. Parameter Course RF Power Course Mod Bal. Course Mod Sum Course Mod Id. Values for LLZ (15 W) 152 ± 8 3078 ± 25 3090 ± 25 127 ± 10 (8 % ident. mod.) 150 ± 10 (10 % ident. mod.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 B.11.1 OS1221B strap settings for 2-frequency GP The course transmitter frequency is set with straps in the J2 strap block. The configured course frequency is the channel frequency + 7.5 kHz. Ch. freq. (MHz) 329.15 329.3 329.45 329.6 329.75 329.9 330.05 330.2 330.35 330.5 330.65 330.8 330.95 331.1 331.25 331.4 331.55 331.7 331.85 332 332.15 332.3 332.45 332.6 332.75 332.9 333.05 333.2 333.35 333.5 333.65 333.8 333.95 334.1 334.25 334.4 334.55 334.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 The clearance transmitter frequency is set with straps in the J102 strap block. The configured clearance frequency is the channel frequency - 7.5 kHz. Ch. freq. (MHz) 329.15 329.3 329.45 329.6 329.75 329.9 330.05 330.2 330.35 330.5 330.65 330.8 330.95 331.1 331.25 331.4 331.55 331.7 331.85 332 332.15 332.3 332.45 332.6 332.75 332.9 333.05 333.2 333.35 333.5 333.65 333.8 333.95 334.1 334.25 334.4 334.55 334.7 334.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 C Maintenance Procedures The following maintenance instructions are derived from FAA manual 6750.49 chapter 5. The reference paragraph numbers are identical to FAA numbers. FAA manual 6750.49 chapter 4 should be used as guide to select the Monthly, Quarerly, Semiannually etc. instructions in this chapter. If FAA chapter 4 refers to an item not found in this chapter, the item in FAA manual chapter 5 should be used. 5.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 order to inform which transmitter was active to the antennas during measurements. (5) At all dual equipment facilities complete a normal line entry for each set of equipment. 5-41 LOCAL AND REMOTE MONITOR SHUTDOWN OPERATION. a. Object. This procedure provides a method to determine that a shutdown is properly sensed at the local and/or remote control points. b. Discussion.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 3. 4. 5. 6. c. 1. 2. 3. 4. 5. that a digital voltmeter (dvm) be used to obtain reference readings for carrier and sideband power in normal, wide, and narrow alarm. These reference readings can be made with greater repeatability by using the dvm than by using the analog wattmeter. This is done by connecting a dvm, set to measure dc voltage, to the detector element output in place of the normal meter.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 the transmitter SBO attenuator value and record in Table “CEGS Monitor Reference Data”. Compare the values to the reference values. If found outside the tolerance ivestigation should be carried out. (b) Decrease the sideband power (increase the SBO attenuator value) until the monitor is in alarm. Confirm that this attenuator value is not greater than the flight checked reference value. Record this SBO attenuator value.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 (d) Remove the added line lengths. 5. Middle antenna dephasing alarms. (a) Insert and adjust the test kit phaser in the middle antenna feedline until the clearance monitor alarms. The test kit phaser should be the same as used for the reference flight check that established the Navia Aviation Form "CEGS Monitor Reference Data" values. Also, the test phaser should have been previously checked with a vector voltmeter to ensure accuracy.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 transmitter to antenna). Note the 3-digits value. (b) Then reduce the value of the 3-digits number followed by Update until the monitor channel CL is in alarm. Measure and record the COU CSB dc voltage at the transmitter test connector. (c) Measure the carrier power using the BIRD wattmeter connecting to the course CSB feedline inside the facility. (d) Restore the carrier rf power to normal (original 3-digit value).
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 5-47 90 AND 150 Hz MODULATION PERCENTAGES. a. Object. This procedure provides a method to determine the amplitude modulation percentages of the 90 and 150 Hz navigational tones. b. Discussion. 1. The FA-9438 modulation meter (or equivalent) is the primary standard for the measurement of modulation percentage.
23(5$7,1* 0$18$/ 1250$5& ,167580(17 /$1',1* 6<67(0 through (5) are the front panel calibration steps. The alternate procedure (paragraph g) uses the oscilloscope to determine the approximate modulation percentage. 1. Turn the FA-9438 ac power switch ON and allow a 10-minute warmup. 2. Place the function selector switch to RF ZERO, and adjust the RF ZERO control for 00.0 on the PERCENT MODULATION indication. 3.
1250$5& 23(5$7,1* 0$18$/ ,167580(17 /$1',1* 6<67(0 Technical Performance Record CEGS Monitor Reference Data IDENTIFICATION LOCATION EQUIPMENT NUMBER EQUIPMENT TYPE FROM SUPERVISORS SIGNATURE REFERENCE FLIGHT INSPECTION DATE Remarks Reference Operating tolerance Initials Retard degrees Upper antenna attenuation Advance degrees Retard degrees COU CSB power (W) COU CSB voltage (mV dc) Advance degrees Dephasing Atten. Mid.Ant. Upper.Ant.
