www.patamerica.com PAT America, Inc. RADIO ANTI-TWO-BLOCK INSTALLATION, OPERATOR’S & CALIBRATION MANUAL P/N 031-300-190-136 Rev.
Installation, Operator’s & Calibration Manual Radio Anti-Two-Block NOTICE PAT America, Inc. makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and/or its fitness for a particular purpose. PAT America, Inc. will not be liable for errors contained in this manual or for incidental or consequential damages in connection with the furnishing, performance, or use of this manual.
Installation, Operator’s & Calibration Manual Radio Anti-Two-Block TABLE OF CONTENTS 1 GENERAL INFORMATION ............................................................................................... 1 2 WARNINGS .......................................................................................................................1 3 SYSTEM DESCRIPTION................................................................................................... 2 3.1 RECEIVER .................................
General Information 1 1 GENERAL INFORMATION The PAT Anti–Two-block System has been designed to warn the crane operator of a two-blocking condition of the crane. If a two-blocking condition is approached, the system will warn the operator by sounding an audible alarm, lighting a warning light and locking out those functions which may aggravate the crane's condition, whenever applicable.
2 Installation, Operator’s & Calibration Manual Radio Anti-Two-Block 3 SYSTEM DESCRIPTION The PAT Radio Anti Two Block, RATB, uses state-of-the-art technology. The radio communication electronics were designed cooperatively between PAT and OMNEX controls. OMNEX was chosen because of its established name and proven experience with wireless communications in the construction equipment industry. Our system transmits an OK signal ~ every two seconds on up to three separate channels.
System Description 3.1 3 RECEIVER Radio Anti-Two-Block Receiver 3.1.1 LEDs: 1.The POWER LED (Green) 2.The LINK LED (Green) 3.The LOW BATTERY LED (Yellow) 4. The A2B LED (Red) Receiver Box Shows that there is power to the system. Indicates the status of the communication link between the main hoist A2B transmitter and the receiver. Failure of the communication link will turn off the Green LED and turn off the output to the lockout relay.
4 3.2 Installation, Operator’s & Calibration Manual Radio Anti-Two-Block TRANSMITTER / SWITCH The transmitter and battery housing are made of a special plastic that resists impact and will not become brittle even in low temperatures. 3.2.1 Transmitter LED The transmitter has an LED on the bottom for diagnostics. The LED should be on when in a two-block condition or when the weight is lifted.
Installation 5 4 INSTALLATION 4.1 TRANSMITTER/SWITCH Install the standoff to the boom head using a 5/16x3/4” HEX bolt. The hole pattern for the standoff is the same as that of conventional PAT A2B switches. In most cases the standoff can be mounted in the same location as the conventional switch. If not replacing an existing switch, the proper location would be one that allows the switch to rotate freely without being obstructed by any part of the boom head.
6 Installation, Operator’s & Calibration Manual POWER LINK LOW BATT. A2B ALARM Radio Anti-Two-Block RECEIVER MODULE INTERNAL RELAY RELAY SHOWN DEENERGIZED (DURING NORMAL OPERATION RELAY IS ENERGIZED) BOX MAXIMUM HEIGHT 1.375" Wiring For Power Cable to Receiver Board Module . 4.2 RECEIVER The receiver comes packaged in a waterproof housing. The module must be mounted into a suitable location using the supplied hardware.
Setup/Calibration 7 5 SETUP/CALIBRATION 5.1.1 Setup Overview The PAT RATB is easily configured to communicate with up to 2 transmitters. Simply by pressing and holding the yellow “ID” button for 7 seconds, the receiver can sense the transmitters being used and configure the receiver to listen to only those transmitters. There are no numbers, ID’s or codes to remember or write down. ID SET BUTTON 5.1.
8 Installation, Operator’s & Calibration Manual Radio Anti-Two-Block 5.1.4 Second ID Setup To program second radio a2b switch: Ground pin 3 of ithe receiver (as shown below). Install batteries into the transmitter to be used. Turn on the crane power. Open the receiver enclosure and slide out the receiver board. Press and hold the yellow ID button on the OEM module for 7 seconds until the ID 2 LED blinks. Release the yellow ID button. The receiver will search for a transmitter for the next 30 seconds.
System Testing 9 7 SYSTEM TESTING To test the electronics: Each LED on the receiver will light for 2 seconds when the system is powered. All of the indicator lights must come on or the system is not functioning properly. If any light does not function, do not use the system until it has been repaired. Following the successful testing, the LINK LED should come on. If the LED’s do not come on, there is an error in the transmission. Do not use the system until it has been repaired or replaced.
10 Installation, Operator’s & Calibration Manual Radio Anti-Two-Block With optional lockout installed the following additional tests must be performed: • Slowly raise the main boom load-handling device to create a potential two-block condition. When the load-handling device lifts the weight, the audible alarm should sound, the anti two- block alarm light should light and the motion of the load-handling device should be stopped. Lower the loadhandling device slightly to eliminate this condition.
Maintenance 11 8 MAINTENANCE The only maintenance required is to change the batteries when required. Also, check the mounting hardware daily to ensure that there is no damage. Replace any damaged parts before operating the crane. 8.1 BATTERY REPLACEMENT To replace the batteries, remove the 4 screws from the transmitter housing. Install 4 fresh batteries into the proper location and direction as indicated on the battery holder. Make sure that the cardboard tube is installed as shown.
12 Installation, Operator’s & Calibration Manual Radio Anti-Two-Block 9 TROUBLESHOOTING LED’s Receiver Board Numbers from left to right on Receiver Board, above, are: 1. 2. 3. 4. 5. 6. 7. 8. Link1 Green A2B1 Red LO BAT1 Red Link2 Green A2B2 Red LO BAT2 Red ID1 Orange ID2 Orange Note: The board must be removed from the housing in order to see the LED’s ©PAT Rev.
Troubleshooting 9.1 13 LED’S (Refer to Numbers below photo on previous page) 1.The LINK 1 LED Link1 (Green) Indicates the status of the communication link between the main hoist A2B transmitter and the receiver. Failure of the communication link will turn off the Green LED and turn off the output to the lockout relay. 2. The A2B 1 LED A2B1(Red) Indicates an impending two-block condition of the main hoist. The Red LED will turn off when the load-handling device has lifted the A2B weight.
14 Installation, Operator’s & Calibration Manual Radio Anti-Two-Block All LEDs are located inside the receiver box. Problem No LED’s light on receiver Cause No power to receiver Crane functions locked out all the time No power to the receiver Crane functions locked out all the time Crane functions locked out all the time Incorrect wiring Crane functions locked out all the time Transmitter LED does not flash Fault in receiver module. Link 1 LED not on Link 1 LED not on ID1 not set.
Radio A2B Spare Parts 15 10 RADIO A2B SPARE PARTS 031-300-060-377 Cable Assembly 12’ Note: part number may change depending on length 031-300-060-488 Radio A2B receiver 1 2 1) 031-300-060-484 Radio A2B transmitter assembly 2) 031-300-100-722 A2B flag assembly ©PAT Rev.
16 Installation, Operator’s & Calibration Manual 031-300-050-536 Card board tube Radio Anti-Two-Block 031-300-060-022 Radio A2B switch 031-300-050-264 A2B mounting plate 031-300-050-276 A2B Mounting standoff 031-300-050-272 Lynch pin 031-300-210-012 Weight and chain 031-300-100-037 Chain connector, quick link ©PAT Rev.
