Issue

Diagram for wiring an ACE-959 4-Wire Modbus RS485 I/F Module as 2-Wire.

Product Line
ACE-959, Sepam

Environment
Sepam Communications

Cause
The ACE959 interface provides an electrical interface between Sepam™
and a 4-wire RS485 communication network. It is the main network cable
branching box for connecting a Sepam with a CCA612 cable

Resolution

See the diagram below for details on the connection from a 4-wire RS485 to 2-wire RS485 connection using the ACE-959