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Ceiec Electric Technology
Figure 2-3-2 DIN-Rail Mounting
2.4 RS-485 Wiring
The PMC-1302 ESG provides one RS-485 port (P2) and one RS-485 / RS-422 port (P3). Up to 32
devices can be connected on a RS-485 bus. The overall length of the RS-485 cable connecting all
devices should not exceed 1200m.
The following figure illustrates the RS-485 communications connections on the PMC-1302 ESG:
Figure 2-4 RS485 Communications Connections
2.5 RS-422 Wiring
The following figure illustrates the RS422 communications connections on the PMC-1302 ESG:
Figure 2-5 RS422 Communications Connections
