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COM/CAN

Description of serial port/CAN port

COM/CAN interface adopts 2*4P spring terminal, and RS232/RS485/RS422 can be selected.

The pins of SX51 is defined as shown in the figure below:

Pin RS232/CAN RS422/CAN RS485/CAN
1 DCD TX- DATA-
2 COM_GND COM_GND COM_GND
3 RXD TX+ DATA+
4 CAN_1_H CAN_1_H CAN_1_H
5 TXD RX+ -
6 CAN_1_L CAN_1_L CAN_1_L
7 DTR RX- -
8 CAN_GND CAN_GND CAN_GND
Last modified: 2025-06-13