
5
The system is equipped with one 10-pole terminal block that enables digital input/
output with power and RS422 communication on the side panel.
Communication Port Pin Assignments
Digital Input/output
Pin Assignments
Pin 1 (starting at the left)
DIO7
Pin 2
DIO6
Pin 3
DIO5
Pin 4
DIO4
Power
Pin Assignments
Power
3.3V
Ground
GND
RS422
Pin Assignments
Pin 1 (starting at the left)
TX-
Pin 2
TX+
Pin 3
RX+
Pin 4
RX-
The system is also equipped with one 2-pole terminal block that enables RS485
communication on the front panel.
COM (RS485)
RS485
Pin Assignments
Pin 1 (starting at the left)
RS485+
Pin 2
RS485-
Digital IO
(4-pin)
RS422 (4-pin)
DC-in
̶ +
Power (1-pin)
Ground (1-pin)
1 2 3 4 1 2 3 4