TABLE OF CONTENTS
1 Introducing the IRM-48 Reader........................................................................................... 6
1.1 Models......................................................................................................................... 6
1.2 Instructions for Use...................................................................................................... 6
2 Product Overview................................................................................................................ 7
2.1 System Inputs and Outputs.......................................................................................... 7
2.2 Labeling....................................................................................................................... 7
2.2.1 Serial ID Label...................................................................................................... 7
2.2.2 Compliance Label................................................................................................. 7
2.2.3 Product Label........................................................................................................ 8
2.3 Connectors.................................................................................................................. 8
2.3.1 USB Cable Connector........................................................................................... 9
2.3.2 Power and Modbus RTU Connector ..................................................................... 9
2.3.3 SMA (RF) Connectors........................................................................................... 9
2.3.4 Humidity Sensor Connector.................................................................................10
2.4 Power / Feedback LED...............................................................................................10
3 Installation..........................................................................................................................11
3.1 Unpacking...................................................................................................................11
3.2 Dimensions.................................................................................................................12
3.3 Din Rail Mounting .......................................................................................................12
3.3.1 Installation Location.............................................................................................13
3.3.2 Recommended Spacing.......................................................................................13
4 Wiring ................................................................................................................................14
4.1 Power and Modbus RTU Connections........................................................................15
4.1.1 Power ..................................................................................................................15
4.2 Communication Connections......................................................................................17
4.3 Humidity Sensor Connections.....................................................................................19
4.4 Air Interface Connections............................................................................................19
5 Sensor Installation & System Configuration .......................................................................20
5.1 Sensor Installation ......................................................................................................20
5.2 System Configuration..................................................................................................20
6 System Integration.............................................................................................................21
6.1 Modbus Commands....................................................................................................21
6.2 Modbus Registers.......................................................................................................22
7 Specifications.....................................................................................................................24
