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The eBMS/IO range of I/O modules is designed for use as local I/O within motor control cabinets or as remote I/O connected via TCP or RS485 Modbus.

The eBMS/IO 4AOH-3DO module provides 4 independent analogue output channels with hand-auto override switches and setting potentiometers. Each output has a yellow LED. The module also provides 3 independent 250vAC/8A rated digital relay output channels each with a change over contact configuration.


  • 4 analogue outputs 0 to 10v dc
  • Hand-auto override switches and setting
  • Potentiometer on each analogue output
  • 3 digital outputs with change over contacts
  • DIN rail or direct mounting
  • 24v ac or dc power operation
  • Supports RS485 2-wire Modbus OpenCommunication network
  • Failsafe outputs to predefined state oncommunications failure
  • Bi-colour LED for module status information
  • Yellow LED indication per analogue output

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