Connecting By Rs-422/485A - Contec CONPROSYS Alpha Series Reference Manual

2. Connecting by RS-422/485A

1
Add the "CPS-COM-2PD" to the product.
When connecting by RS-422/485A, additional purchase of the serial communication module

"CPS-COM-2PD" (configurable type) is necessary in order to add the function.
2
After adding the CPS-COM-2PD to the product, connect the twisted pair cable with the shield
to the CPS-COM-2PD connector, and to the RS-422/485A connector of the PLC.
Connection diagram
PLC
—
Set the Computer Network
CPSA-PCB100 Reference Manual
Connect to the
RS-422/485A
Cable
— 28 —
—
Power unit
Controller
+
CPS-COM-2PD
AC plug
AC power cable