Weidmuller WI-I/O 9-K: Wireless I/O Transmitter v1.9 - Manual (Page 6)

WI-I/O 9-K v1.9
Page 6
WI-I/O 9-K Radio Telemetry Module
USER MANUAL
1 OVERVIEW ----------------------------------------------------------------------------------------- 8
1.1
Input Signals .................................................................................................................8
1.2 Power Supply................................................................................................................9
1.3 Radio Transmitter.........................................................................................................9
1.4 Configuration..............................................................................................................10
2 OPERATION ---------------------------------------------------------------------------------------11
2.1
Normal Operation .......................................................................................................11
2.2 What information is transmitted over the radio? ........................................................11
2.3 How often is the input information sent by radio? .....................................................11
2.4 Inputs ..........................................................................................................................12
2.4.1 Digital Inputs................................................................................................................... 12
2.4.2 Pulse Inputs ..................................................................................................................... 12
2.4.3 Shaft Encoder Inputs....................................................................................................... 14
2.4.4 Pulse Rates ...................................................................................................................... 14
2.4.5 Analog Inputs .................................................................................................................. 15
2.4.6 Setpoint Status ................................................................................................................ 17
2.4.7 Supply Voltage................................................................................................................ 17
2.4.8 Low Supply Voltage Alarm (Supply LowVolts) ............................................................ 17
2.4.9 Supply Failure ................................................................................................................. 17
2.4.10 Communications Failure ................................................................................................. 17
2.5 How to Design a Remote Monitoring System............................................................18
2.5.1 Achieving reliable radio transmission ............................................................................ 18
2.5.2 How far will the radio transmit? ..................................................................................... 19
2.6 Calculating Power Consumption................................................................................20
2.7 Security Considerations ..............................................................................................22
3 HARDWARE INSTALLATION---------------------------------------------------------------23
3.1
How to mount the WI-I/O 9-K ...................................................................................23
3.2 Antenna Installation....................................................................................................24
3.2.1 Dipole and Collinear antennas........................................................................................ 26
3.2.2 Yagi antenna. .................................................................................................................. 26
3.3 Connection Plug .........................................................................................................27
3.3.1 PL1-K Plug Lead............................................................................................................. 28
3.4 Power Supply Installation...........................................................................................28
3.4.1 External Power................................................................................................................ 28
3.4.2 Battery Pack WI-BP-I/O-9-K .......................................................................................... 29
3.4.3 External Battery Supplies ............................................................................................... 30