User's Manual

905U-K Radio Telemetry Module User Manual
 ELPRO Technologies Pty Ltd 2001 Page 6
905U-K Radio Telemetry Module
USER MANUAL
LIMITED WARRANTY, DISCLAIMER AND LIMITATION OF REMEDIES -------------5
1 OVERVIEW----------------------------------------------------------------------------------------8
1.1 AVAILABLE MODELS ..........................................................................................8
1.2 INPUT SIGNALS .................................................................................................8
1.3 POWER SUPPLY................................................................................................9
1.4 RADIO TRANSMITTER.........................................................................................9
1.5 CONFIGURATION ...............................................................................................9
2 OPERATION------------------------------------------------------------------------------------ 10
2.1 NORMAL OPERATION.......................................................................................10
2.2 WHAT INFORMATION IS TRANSMITTED OVER THE RADIO?....................................10
2.3 HOW OFTEN IS THE INPUT INFORMATION SENT BY RADIO?...................................10
2.3.1 Digital Inputs...........................................................................................11
2.3.2 Pulse Inputs............................................................................................11
2.3.3 Analogue Inputs......................................................................................12
2.3.4 Setpoint Status .......................................................................................13
2.3.5 Low Battery Voltage Alarm.....................................................................13
2.3.6 Communications Failure.........................................................................14
2.4 HOW TO DESIGN A REMOTE MONITORING SYSTEM ............................................14
2.4.1 Achieving reliable radio transmission......................................................14
2.4.2 How far will the radio transmit?...............................................................15
2.5 CALCULATING POWER CONSUMPTION ..............................................................16
3 HARDWARE INSTALLATION-------------------------------------------------------------- 18
3.1 HOW TO MOUNT THE 905U-K...........................................................................19
3.2 ANTENNA INSTALLATION ..................................................................................19
3.3 CONNECTION PLUG.........................................................................................23
3.4 POWER SUPPLY INSTALLATION ........................................................................24