FM TRANSMITTER
Introduction You’ve already unpacked it, haven’t you? You’ve unpacked it and plugged it in and turned it on and fiddled with the knobs. No? Okay, good. Please take a few minutes to read the manual and familiarize yourself with your new Technalogix FM power amplifier or transmitter. We believe that this user manual, the Quickstart package (Final Inspection Report, Wiring Hookup, and Block Diagram), and of course our equipment, should be everything you need to get on the air with a superb audio signal.
2 Terms and Warranty This section is written as a general guide to keep all five fingers on your hand and is intended for those having previous knowledge and experience with these kinds of equipment. It is not intended to contain a complete statement of all safety precautions, which should be observed by personnel using this or other electronic equipment.
There are three principle degrees of burns, recognizable as follows: a first-degree burn reddens the skin. a second-degree burn blisters the skin. a third degree burn chars the flesh and frequently places the victim in a state of shock accompanied by respiratory paralysis. Respiratory paralysis can cause death by suffocation within seconds. It is imperative that the approved methods of artificial respiration are initiated immediately and continue until the victim’s breathing is normal.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components Our FM equipment is designed to reliably generate a specific RF output power level. Failing to adhere to overdriven amplifier, high reflected power, and high temperature, and other warnings can decrease the reliability of your system, and frankly, makes our repair department busy and grumpy.
2 Terms and Warranty 3 Principle of Operation 4 Installation Sales by Technalogix Ltd. (“Seller”) are made only on terms which are contained in this policy. Seller hereby gives notice of its objection to any different/additional terms and conditions. All sales are expressly conditional upon Buyers’ assent to the terms and conditions set forth below. These terms and conditions may be modified/ supplemented only by written document signed by authorized representative of the Seller.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply Purchase orders that have been accepted by Seller may not be changed/ cancelled, in whole or part, without written Seller consent. All changes must be included in change order reflecting purchase order and submitted to the Seller. All other changes will not be accepted/acknowledged. Changes may affect delivery dates. Expenses incurred because of changes shall be charged to Buyer.
Seller shall not be liable for any loss or damage resulting from any delay in delivery or failure to deliver which is due to any cause beyond Seller’s control, including, without limitation, acts of nature, unavailability of supplies or sources of energy, riots, wars, fires, floods, epidemics, lockouts, strikes and slowdowns, delays in delivery by supplies, or acts or omissions of the Buyer.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply 9 Maintenance 10 Troubleshooting Technalogix products have been completely tested and found to meet specifications and be in proper operating condition. Technalogix-manufactured products are warranted to be free from defects in materials and workmanship for a period of two years from the date of shipment.
The RF amplifiers utilize readily available RF components wherever possible, thus enhancing the serviceability of the equipment. The amplifier modules are stable for high reliability and long service life and feature ultra linear amplification and individual channel RF output filtering, unless ordered otherwise. The Block Diagram is included with the Quickstart package to illustrate the specific component flow of the RF amplifier system and to provide specific configuration and model information.
2 Terms and Warranty This section contains installation recommendations, unpacking, inspection, and installation instructions for the power amplifier or transmitter. We are sure that you are chomping at the bit to install your new system, so we recommend that you read the following sections very carefully. 1 Safeguards Installation Technalogix recommends that proper AC line conditioning and surge suppression be provided on the primary AC input to the power amplifier or transmitter.
Preventative maintenance is crucial in ensuring that safety is maintained. Specifically, check that transmission line grounds are tight and are not missing any hardware. Frequently inspect support clamps or spring hangers. Consider investing in an ice break, if you haven’t already done so, as shards of falling ice can damage the transmission line – and if it is going to happen, it will happen at an important time. Check the tower light photocells and conduit.
1 Safeguards 2 Terms and Warranty The better-known tower manufacturers offer complete technical and safety documentation with their towers. Be sure that you have this information as it regards wind loading, guying, etc. The best-designed antenna system will function poorly if shortcuts and compromises are used during installation. Follow the manufacturer’s instructions exactly, along with any engineering data prepared for the site.
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components Visually inspect the enclosure of the power amplifier or transmitter for damage that may have occurred during shipment. Check for evidence of water damage, bent or warped chassis, loose screws or nuts, or extraneous packing material in connectors or fan failures. Inspect all connectors for bent connector pins.
Parallel parameter interface (DB25 female) ETHERNET: Remote control and monitoring via Ethernet (RJ45 jack) SNMP: Simple Network Management Protocol (SNMP) remote control and monitoring (RJ45) S/PDIF COAX: Digital audio input, Sony/Phillips Digital Interface, coaxial (RCA female) S/PDIF OPTICAL: Digital audio input, Sony/Phillips Digital Interface, optical (Toslink female) AES (digital): Digital audio input, AES/EBU professional audio interface (XLR female) LEFT (analog): Analog audio input, lef
5. Connect the transmitting antenna cable to the RF OUT female connector on the PA enclosure’s RF output. On units that have a separate filter or filter/power supply enclosure after the power amplifier enclosure, ensure to connect the transmitting antenna cable on the last enclosure in the chain to the RF Out and connect the RF coaxial between the power amplifier and the second enclosure in the chain. The system must be loaded into a 50-ohm load before any power is turned on for over-the-air systems.
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply At this stage, the system is set up and ready to do a preliminary start up, as outlined in the “Operating Procedure” section. 9 Maintenance 7. Connect additional control/monitoring cables if desired. SNMP or Ethernet should be connected to the lower RJ45 on the back panel.
5. The internal soft start circuitry will turn the bias voltages off until the power supply to the amplifier pallets is fully stable. The front display indicates when the soft start is running with either a displayed message when an LCD option is installed or via maximum attenuation when a touch screen option is installed. Once complete, the Forward and Reflected Power, Power Supply, and Temperature readings will appear on the display. Deviation is shown on the FM screen. 6.
11. Select the appropriate input from the FM Controls screen on the front panel. 12. Adjust the attenuation for the input if needed from the Audio Levels screen on the front panel. Check the modulation level on the main RF Display or FM display on the front panel. 13. After warm up, compare the temperature of the equipment from the front display to the temperature recorded in the final inspection sheet, included in shipping.
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply 9 Maintenance At this time, Technalogix recommends that you document your measurements to use as a reference over time. The measurements can be made either from the front display, or remotely via the Remote Port (DB25), Ethernet (lower RJ45), or SNMP (lower RJ45), whose operation is explained in the Monitor and Control System sections.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply The control system is comprised of three modules. These modules work together to provide all the functions of the control system and include: Display Interface, Exciter (in the case of a transmitter), and Temperature Sensor modules. The operation of each module is outlined in the following sections and illustrated in the following block diagram.
RHT/MONO I/P TERM. FILTER BALUN PREEMPHASIS LEVEL METER/ DETECTION FILTER RIGHT MONO AES3 DIG. AUDIO RECEIVER S/PDIF COAX STEREO DAC STEREO ENCODER INT MPX FILTER SWITCH S/PDIF OPTICAL LEFT MPX samp LEFT FILTER I/P TERM. LEVEL BALUN MPX IN PREEMPHASIS METER/ DETECTION FILTER LEVEL RDS LEVEL FILTER LEVEL SCA2/WB FILTER LEVEL AUDIO MIXER LIMITER VCO DUAL DIR.
• • A block diagram of the Display Interface PCB follows: 1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System • Forward (incident) power at the power amplifier or transmitter output. Reflected (reverse) power at the power amplifier or transmitter output. DC voltage of the power amplifier’s or transmitter’s power supply. DC current in the power amplifier or transmitter. Temperature of the heat sink of the power amplifier or transmitter.
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply The fuses on the Display Interface are all resettable. F102 protects the +5V line while F101 protects the DC-DC converter, if installed. 9 Maintenance Other elements of the Display Interface module are also controlled by the microcontroller.
The four level bars show real time system performance and help illustrate any transient changes that occur. Some of the units of measure can be adjusted in Settings Menu described later in this section. Summary Bar: The summary bar at the bottom of the screen will stay in place no matter what screen is being viewed to allow for an operating summary at any time, as described below: 2 Terms and Warranty 8 Power Supply 9 Maintenance Forward RF power level in % or watts. Mimics data from level bar.
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply RF output power is determined largely in part by the amount of attenuation that the control system places on the input of the power amplifier/transmitter. Whether a fault occurs and attenuation gets added or the user requests a change in RF power level via the web/SNMP/Remote Port interface, the attenuation section of the summary bar conveys important operating information.
From any screen, the FM amplifier or transmitter carrier can be turned on or off to facilitate adjustments, settings, and testing/troubleshooting. To toggle carrier states, simply touch the switch icon: 1 Safeguards 2 Terms and Warranty 7 RF Components 8 Power Supply 9 Maintenance If additional screens, details, and settings are required, several additional screens can be accessed through the SYSTEM SETTINGS button described later in this section.
DC VOLTAGE: The switching power supply DC output voltage is displayed here. If additional screens, details, and settings are required, several additional screens can be accessed through the SYSTEM SETTINGS button described later in this section. 7 RF Components 8 Power Supply TEMPERATURE: The temperature is measured on top of the heatsink near the final transistors and displayed here. User can toggle between Celsius and Fahrenheit from the Settings Screen.
DC VOLTAGE: The switching power supply DC output voltage is displayed here. If additional screens, details, and settings are required, several additional screens can be accessed through the SYSTEM SETTINGS button described later in this section. 7 RF Components 8 Power Supply LEFT LEVEL: Left level bar represents the audio evel on the left audio input channel. 9 Maintenance RIGHT LEVEL: Right level bar represents the audio level on the right audio input channel.
The individual menu screens will now be covered. 7 RF Components 8 Power Supply 9 Maintenance While the user is in the sub menu screens (anything besides the Main Screens), full monitoring and protection is taking place. This means that as a user makes a change to a setting or parameter that jeopardizes the power amplifier or transmitter, the control system will provide protection, display the fault in red text near the top of the touchscreen, and stay in the current menu.
2 Terms and Warranty 7 RF Components 8 Power Supply 9 Maintenance Press the up or down arrows (in either 1 or 10% increments or decrements) until the desired Forward RF level is reached. If the adjusted level exceeds 110%, the protection will kick in and the system will fold back the RF power to a safe level. There may be a residual amount of Forward RF power even at 0% setting, but it should be insignificant.
7 RF Components 8 Power Supply 9 Maintenance If multiple amplifier pallets are included in the amplifier chain, then the individual currents will all be displayed in the Currents section of the screen. In the case of multiple pallets in the chain, typically the user should see matching of the final pallets to within approximately 10%. Anything outside this range is usually a sign that there may be an issue. Transistor device could be the culprit, or the tragic spilt-drink-on-amplifier incident.
Input Impedance: When analog audio input is selected as a source, the user can adjust the input impedance of the exciter in the transmitter between 600 and 10k ohms. 2 Terms and Warranty 7 RF Components All Technalogix FM transmitters have a stereo encoder built in to the exciter circuit board. The user can switch between Mono and Stereo option by simply touching this icon on the touch screen.
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components Pre-emphasis adds a boost to high frequencies in the FM signal to increase the signal above the noise floor. The FM signal then is de-emphasized at the radio receiver end. Users can change the amount of pre-emphasis to suit their location and receivers. A lower pre-emphasis, say 50 us versus 75 us, is a lighter boost, but also increases high frequency headroom.
2 Terms and Warranty 8 Power Supply The events are recorded in non-volatile memory so they are safe in the event of a power outage or pesky lightning-strike-wins-fight-with-power-supply. 9 Maintenance The user can clear the history screen by pressing the CLEAR HISTORY. Users will find this screen useful in correlating events in the power amplifier or transmitter with external events like weather and changes to the broadcast facility’s environment.
7 RF Components 8 Power Supply 9 Maintenance Attenuation levels of 100 dB indicate that attenuation is at maximum for that particular input signal. 10 Troubleshooting Step sizes will vary from 0.5 dB up to 2.0 dB depending on the current audio, MPX, and SCA input levels. 6 Control System 5 Operation 4 Installation 3 Principle of Operation 2 Terms and Warranty The Audio Levels Screen allows the user to tweak audio input levels all from the front touch screen.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components Finally, general information is included in the Version Screen for users who may not be familiar with the equipment and do not want to venture into the dusty abyss behind the rack or cabinet searching for tiny ID tags. The Version Screen is illustrated below: 8 Power Supply https://fjallfoss.fcc.gov/oetcf/eas/reports/GenericSearch.cfm (grantee code QH5) Ind. Canada: http://www.ic.gc.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply 9 Maintenance If you are in the area, please feel free to stop by to tour the facility, test drive some state of the art products, or get a refresher on some training. 10 Troubleshooting The Contact Screen provides an easy means for the user to get in touch with Technalogix for anything.
7 RF Components Similarly, the user can switch between watts or percentage for their RF power readings. When in percentage mode, the power amplifier or transmitter is designed for a maximum operating power of 100% with overdrive protection typically at 110%. 8 Power Supply Pressing the DISPLAY ⁰ F button will convert all temperature readings to degrees Fahrenheit from Celsius (and vice versa). Temperature protection trip points are factory set.
1 Safeguards 5 Operation 6 Control System 7 RF Components 8 Power Supply 9 Maintenance In custom applications, there may be multiple temperature sensors installed onto a heatsink or throughout the system. 10 Troubleshooting The temperature sensor IC is U701 which, after it has taken a reading, relays the digital information to the RF PCB module through J700. Also passing through J700 is a driver disable signal coming from the RF PCB module.
The following pages will describe each step in detail. Descriptions specific to the user’s computer, router, or network setup are limited due to the differences in the multitude of networking equipment. 1. Connect Power Amplifier/Transmitter to your Network/PC The Adrenaline control system in the power amplifier or transmitter will source an internal IP from your router or you can set this manually (see Optimize User Parameter section).
After entering the above internal address into a web browser, you will be asked for a password. Initially, please use the following: username: password: admin admin The password can later be changed (see Optimize User Parameter section). 2 Terms and Warranty 3 Principle of Operation 2.1 Web Page Password Protection 4 Installation The default internal address is http://adrenaline/index.htm. Type this default internal address into the URL address bar of your favorite web browser.
Forward RF Levels as a % of Full Scale (FS) Reflected RF Levels as a % of FS DC Supply Voltage in volts Temperature in °C Current of pallet(s) in Adc VSWR Trip Point Limit AGC measured against 100% FS Deviation Right Level/Left Level input attenuation Frequency in MHz Pre-Emphasis, selectable between 0, 25, 50, or 75 us 1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System The Performance section provides the user with specific param
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply Turn Carrier On/Off - Turn the Carrier on/off AGC - Increase the Carrier by removing attenuation (steps of 1 or 10 dB) VSWR ↑↓ - Increase or Decrease the VSWR Trip point by 0.1 between 1.1:1 and factory determined limit.
Main – Returns to Main Index page Network Configuration SNMP Configuration Password Configuration The following sections describe the user parameter pages in detail. 2 Terms and Warranty 3 Principle of Operation Also on the main web Ethernet page, along the top, are links to the other user parameter pages: 1 Safeguards 3.
http://yourcompany/index.htm 3.1.2 HTTP Port The HTTP Port shows the current port used for internet access, 80 or 81. Port 80 is the default and is the accepted standard. Port 81 is available because some internet providers block access to port 80 unless you pay more. Be very careful changing HTTP ports as it can be difficult to go back to an original port.
2 Terms and Warranty 3 Principle of Operation private write public 4 Installation WRITE: 5 Operation public read 6 Control System READ: 7 RF Components Default communities are 8 Power Supply The SNMP Configuration page allows you to set the SNMP communities. Set these to limit access to the system via SNMP. 9 Maintenance SNMP Communities 10 Troubleshooting 3.2.1 1 Safeguards 3.
Right Attenuation MPX Attenuation SCA1 Attenuation SCA2 Attenuation Read and Write communities can be set from the web interface, as described earlier in this section. 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System - 1 Reset System, 0 Normal - 1 Carrier On, 0 Carrier Off - 1 Increase Carrier Level for AGC target 1% - 1 Decrease Carrier Level for AGC target 1% - 1-8 for 1.1:1 – 1.8:1 - 880 – 1080 for 88.0 to 108.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply 9 Maintenance Set enable traps to 1 (or yes, depending on MIB browser). Set the IP address to that of the receiving computer. Set the community to one of the read communities set above. 10 Troubleshooting To enable the SNMP traps, within the MIB browser that you choose: 1 Safeguards 3.2.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components As an example, the following is a screen shot of a high temperature fault (Value 4).
8 Power Supply 9 Maintenance Passwords are to be a maximum of 7 characters long. Don’t forget your password. Resetting passwords isn’t as fun as it sounds and may cause loss of all settings. 10 Troubleshooting The User account allows access only to the main page. The Admin account allows access to the main and all the configuration pages.
3 Principle of Operation 2 Terms and Warranty An additional option for remote control of the power amplifier/transmitter is through the DB25 connector found on the back panel of the power amplifier/transmitter, as illustrated below: 1 Safeguards Remote Control (via DB25) Notes: 1. Analog output with voltage ranging from 0 to 3.3Vdc. 2. Open collector configuration on RF 1.04 and later. On RF 1.04 and later, ground to activate input control on inputs; ground indicates fault occurrence on fault outputs.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation The RBDS/RDS subcarrier level can be adjusted using R108 on the FM Exciter 1.01 circuit board. It should be set between 1.5 and 10% modulation. It is recommended to turn to 0% if not RBDS/RDS is not being used to provide the maximum available modulation for the audio signal. 6 Control System General operating questions are answered here: http://www.pira.cz/rds/show.asp?art=magic_rds_how_to.
1 Safeguards RF Components 25 dB 1050 W peak saturated at 50V 400 W 87.5 – 108.1 MHz 28 Adc 48 Vdc Minimum Pout max (FM) Frequency ID max VD 25 dB 1200 W peak saturated at 50V 87.5 – 108.1 MHz 32-36 Adc 32-50 Vdc PB1200F-86-110-574-49 3 Principle of Operation 4 Installation Typical gain Pout max (FM) Pout max (DVB-T) Frequency ID max VD PB1200F-86-110-574-25 5 Operation 25 dB 1050 W peak saturated at 50V 400 W 87.5 – 108.
40 dB 25 W rms 88 – 108 MHz 10 dBm 1.6 Adc 28 Vdc Typical gain Pout min (FM) Frequency Pin max ID typ VD 25 dB 1125 W (w/ 3.
2 Terms and Warranty 8 Power Supply 9 Maintenance 10 Troubleshooting 4-Way: 7 RF Components 6 Control System 5 Operation 4 Installation 2-, 3-Way: 3 Principle of Operation If used, the splitter and combiner are used to split the RF signal into, and combine the amplified RF signal out of the final amplifier pallets, within an amplifier/transmitter enclosure. The splitter and combiner can be 2-, 3-, or 4-way depending on how many finals pallets are used.
Max Output Power Coupling Coupling variation Return Loss Directivity Environmental Conditions Connectors 41 – 100 MHz (option A) 162 – 254 MHz (option B) 470 – 862 MHz (option C) 20 kW DTV (30 kW ATV) -48 to -72 dB (on any channel) < ±0.15 dB 162 – 254 MHz < ±0.15 dB 470 – 862 MHz > 30 dB (VSWR < 1.
Frequency Range Input Power (max) Insertion Loss (max) Insertion Loss (typ) Return Loss (max) Return Loss (typ) Rejection at 176 MHz 86 – 110 MHz 250 W continuous < 0.3 dB < 0.25 dB > 25 dB > 28 dB > -45 dB Frequency Range Input Power (max) Insertion Loss (max) Insertion Loss (typ) Return Loss (max) Return Loss (typ) Rejection at 176 MHz 86 – 110 MHz 800 W continuous < 0.25 dB < 0.
86 – 110 MHz 1,500 W continuous th 9 order Chebyshev < 0.2 dB < 0.15 dB > 25 dB > 30 dB > -47 dB 20 dB 2 Terms and Warranty Frequency Range Input Power (max) Order Insertion Loss (max) Insertion Loss (typ) Return Loss (max) Return Loss (typ) Rejection at 176 MHz Directivity (min) 1 Safeguards 1,500W LPF, with coupler 86 – 110 MHz 1,500 W continuous th 9 order Chebyshev < 0.12 dB < 0.
2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components 8 Power Supply The following is the switching power supply data sheet(s) used to convert the AC to DC for the internal amplifier or transmitter components. 9 Maintenance AC is fed into the power supply enclosure via a filtered AC entry and then through a circuit breaker/switch. Specific AC current draw is documented in the Final Inspection Report supplied in the Quickstart package.
RSP-2000 2000W Single Output Power Supply ¡½ Features : series ¡E¡E ¡E¡E ¡E¡E ¡E¡E ¡E¡E ¡E¡E ¡E Universal AC input / Full range Built-in 5V/0.3A, 12V/0.8A auxiliary power Built-in active PFC function, PF>0.97 Protections: Short circuit / Overload / Over voltage / Over temperature Forced air cooling by built-in DC fan with fan speed control Output voltage can be trimmed between 40~115% of the rated output voltage 3 High Power density 21.
RSP-2000 2000W Single Output Power Supply Mechanical Specification Case No. 952D series Unit:mm 271 25.4 20.5 7.8 6 3-M4 L=6 295 21 34.5 18.5 41 59 -V +V Air flow direction 2 1 CN502 21 43 65 3 2 1 10 7 CN504 90 127 CN501 SVR51 12 11 TB1 3-M4 L=4 7.8 20.5 25.4 3-M4 L=6 6 271 AC Input Terminal Pin No. Assignment Pin No. 1 2 3 Control Pi n No. Assignment (CN501) : HRS DF11-12DP-2DS or equivalent Pin No. 1 2 3 4 Assignment AC/N AC/L FG Assignment +S -S PV GND Pin No.
RSP-2000 2000W Single Output Power Supply series Function Description of CN501 Pin No. Function 1 +S 2 -S Negative sensing. The -S signal should be connected to the negative terminal of the load. The -S and +S leads should be twisted in pair to minimize noise pick-up effect. The maximum line drop compensation is 0.5V. 3 PV Connection for output voltage trimming. The voltage can be trimmed within its defined range. (Note.1) 4 GND 5 DC-OK 6 Description Positive sensing.
RSP-2000 2000W Single Output Power Supply series Function Manual 1. Remote ON/OFF Control The PSU can be turned ON/OFF together or separately by using the "Remote ON/OFF" function. RSP-2000 ON/OFF Between ON/OFF and +5V-AUX 7 SW +5V-AUX 11 PSU Output SW Open ON SW Short OFF 2. Remote Sense The remote sense compensates voltage drop on the load wiring up to 0.5V. +V +S 1 RSP-2000 -S -V +V LOAD 2 -V Sense lines should be twisted in pairs 3.
RSP-2000 2000W Single Output Power Supply series 5.Current Sharing with Remote Sensing RSP-2000 has the built-in active current sharing function and can be connected in parallel to provide higher output power : (1)Parallel operation is available by connecting the units shown as below. (DA,DB and GND are connected mutually in parallel). (2)Difference of output voltages among parallel units should be less than 0.2V. (3)The total output current must not exceed the value determined by the following equation.
All modular components inside the enclosure are attached to aluminium mounting plates for easy removal and replacement. Ensure that plates are secured and the mounting hardware is tight. 2 Terms and Warranty 3 Principle of Operation 4 Installation 5 Operation 6 Control System 7 RF Components Using either compressed air or a brush with soft bristles, loosen accumulated dust and dirt and then vacuum the interior of the cabinet.
Is the input signal present and at the correct level? Check display readings for presence of forward and reflected power and DC supply levels. The following flowcharts are an aid in determining the fault if some aspect of the system is not operating. 2 Terms and Warranty 3 Principle of Operation Are all the switches in the correct operating position? 4 Installation 5 Operation Is the AC power ‘ON’ to the site and the equipment? (Check fuses and circuit breakers if necessary.
AC-DC Power Supply (PSU) Troubleshooting Properly terminate PA into 50ohm load. Apply proper AC power to back panel (check if 110V or220V). Turn on AC rocker switch on back panel. Display on? YES NO AC breaker tripped? DC voltage on display correct? NO YES Display and PSU come back on? Reset circuit breaker on back panel. YES NO Turn off power from back panel. Remove lid of enclosure with power supply.
Control System (Adrenaline) Troubleshooting (1 of 2) Front panel membrane Buttons (if used) functioning? Display showing text and data accurately? YES NO NO Alternative button inputs on remote port working? Remote port working correctly? YES YES Membrane connected properly to PCB? YES NO Bad / loose membrane connector / wiring Is text / graphics readable? NO Goto page 2 of 2 NO NO Display pins / connector seated properly? YES Replace preprogrammed touchscreen or display Check cable that
Control System (Adrenaline) Troubleshooting (2 of 2) Ethernet interface functioning? YES SNMP interface functioning? YES Communication between PCBs working (CAN)? Contact Technalogix for any issues not listed YES NO Display Interface orange S/W LED flashing? NO Is FWD, RFL, or DC voltage displayed on screen? YES Display Int. not communicating with RF PCB.
1 Safeguards 2 Terms and Warranty 3 Principle of Operation 6 Control System 7 RF Components 8 Power Supply 9 Maintenance 10 Troubleshooting If there is anything we can do to help in your success, please do not hesitate to contact us. We also welcome suggestions for product improvements or feature enhancements, as long as it is not a built in coffee maker. 5 Operation 4 Installation Thank you for choosing Technalogix Ltd.
