xLadder user manual-V2.0.0.6

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/PR-24 CPU communicate with the third party

devices via RS485 bus.

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