5------RS485 B
4------GND
6------GND
7------CANL
9------CANH
15------+5V
16------+5V
Communication between CPU and expansion module will use 4.7,9,15 pin.
PR-RS485 module is required when PR-18/ELC-22/PR-24 CPU communicate with the third party devices
via RS485 bus
PR-12 CPUs
With HMI model Without HMI model
1. Programming port/RS232
port(ELC-RS232 ,ELC-USB,ELC-Copier,ELC-MEMORY,ELC-BATTERY,PRO-RS485 should be inserted in this
port) Named COM0.
When the programming port should be used as the standard RS232 port (D-shape 9 pin header) ,the
ELC-RS232 cable is required.
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