GC64 – Digital IO

The Guardian Controls GC64 is an extension unit with 6 additional digital inputs and 4 relay outputs.

Product Detail

This rail mounting extension unit provides 6 isolated 24v/230vac digital inputs and 4 changeover relays. It can be used as a local extension unit or remotely as a mains trip monitor for a Scada system.

Key Benefits

  • Flexible extension unit
  • 6 digital inputs
  • 4 relay outs
  • Rs485 communications


Din Rail Mounting.
Fixed Screw Treminals.
Set LED and button for Modbus addresses.
2 x 4way sockets for simple power and comms interconnection.
Communicates usinga single 2 wire RS485 link with Modbus RTU protocol.


Power 24 dc/ac.
Operation 0 -50c.
Mounting – Din Rail.
Connectors – 5.08mm Fixed Screw Clamp.
Approvals – CE.

Use in Conjunction With

GC45 Pack Controller
Guardian’s control methodologies can save up to 40% of energy typically used by refrigeration compressor packs. The GC45 delivers stable pack control and energy optimisation.

Contact Us

Send us an email and we'll get back to you, asap.

Not readable? Change text. captcha txt