Metasphere MM-IM - Page 64

MM-IM User Guide
64
Function
Pin (COM1)
Pin
(COM2-3)
RTS
8
8
RS485/422 port (COM4) connection
Function
Pin
Tx+
1
Tx-
2
Rx+
3
GND
4
GND
5
Rx-
6
N/C
7
N/C
8
 Note: When the unit is clean configured, COM4 Rx may be constantly lit. This is not a
problem since COM4 is not configured in clean config and may be floating. It does not
indicate a failed unit. For connection to Allen Bradley PLC or PC for use with MicroMC
(RS232)
RJ45 Pin
9-Way D-Sub
female
1
4
2
1
3
6
4
5
5
3
6
2
7
7
8
8
For connection to Omron Modbus PLC (RS232)
RJ45 Pin
9-Way D-Sub male
1
-
2
-
3
-
4
9