JACE IOM Modules – 4DO

4 x 16A digital relay outputs for local or remote serial connection to a JACE controller.


The IOM range of I/O modules are designed for use as local I/O within motor control cabinets or as remote I/O connected via RS485 Modbus. Typical applications include building automation control systems.

The 4DO module provides 4 independent 250vac/16A rated digital relay output channels each with change over contact configuration. Each digital output has a yellow LED which indicates the current status of the connected device.

The IP20 rated module may be plugged together with other IOM modules and fitted onto standard TS35 DIN rail or fitted directly onto a backplate using screw fixings. The cascadable design allows power and 2-wire RS485 Modbus communications to connect through without any extra wiring.

Key features:

▪DIN rail or direct mounting
▪24v ac or dc power operation
▪4 digital outputs with change over contacts
▪16A resistive load with high inrush current
▪RS485 2-wire Modbus open communications
▪Easy address setting using rotary switches
▪Bi-colour LED for module status information
▪Yellow LED output status indication
▪Configurable output condition on comms failure
▪Presetable hours on and hours off counters

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