IntelliSAW IRM-48 Reader
Installation Manual
Page 9 of 28
IRM-48 Reader
910.00371.0001
2.3.1
USB Cable Connector
Interface
Name
Description
USB
USB
USB mini used for unit configuration
2.3.2
Power and Modbus RTU Connector
Pin
Name
Description
V+
Power In +
Input power range from 24 to 60V DC.
V-
Power In -
Input power range from 24 to 60V DC.
FE
Functional Earth
This pin is used for ground and shield connectivity.
Should use separate wire from Case Ground.
D-COM
DATA Common
Common input for Modbus RTU (RS485)
DATA-
DATA Negative
Negative Input for Modbus RTU (RS485)
DATA+
DATA Positive
Positive Input for Modbus RTU (RS485)
2.3.3
SMA (RF) Connectors
Pin
Name
Description
P1
RF Port 1
Air Interface Radio Frequency Port 1
P2
RF Port 2
Air Interface Radio Frequency Port 2
P3
RF Port 3
Air Interface Radio Frequency Port 3
P4
RF Port 4
Air Interface Radio Frequency Port 4
Ground
Case Ground
Chassis ground lug connection, required for safety when air
interfaces are near energized conductors.