Serial port pinout for SGX 5150 RS485 2 Wire and RS485-422 4 Wire

What is the pinout for RS485 2 wire and RS485/422 4 Wire for the SGX 5150?


Here are the pinouts for the SGX5150 when configured for RS485 2 wire and RS485_422 4 wire:

Serial Port

RS485/422 4 wire mode:

SGX Pin 1 (TX+)  Output from SGX
SGX Pin 3 (TX-)  Output from SGX
SGX Pin 4/5 (GND)  
SGX Pin 6 (RX+)  Input to SGX
SGX Pin 8 (RX-)  Input to SGX

RS485 2 wire mode:

SGX Pin 1 (TX+/RX+)  Positive lead
SGX Pin 3 (TX-/RX-)  Negative lead
SGX Pin 4/5 (GND)



[Originally Published On: 08/09/2017 09:22 AM]