917MB / 918MB

DC Current/Voltage Modbus-RTU Output Modules with Discrete Outputs

Product Features

  • Standard Modbus RTU protocol with high-speed RS-485 communication (up to 115K bps)
  • 12-bit D/A yields 0.1% of span resolution and accuracy
  • Four outputs in a single inch-wide module reduces system costs and saves panel space
  • Four discrete outputs enable host-controlled on/off switching
  • Heavy-duty 1A solid-state relays provide dependable on/off control of industrial devices
  • Self-calibration lowers maintenance costs by reducing periodic manual calibration checks
  • Watchdog timers provide a configurable failsafe output state for use when host I/O communication is lost
  • Three-way isolation eliminates potential ground loops between power, output and network circuitry
  • Self-diagnostics monitor microcontroller activity to detect operational failures (lock-up) and execute a reset to restore communication
  • Operating temperature: -25°C to +60°C (-13°F to +140°F), limit 917MB ambient to 50°C maximum for supply voltages less than 15V

These modules drive four analog output channels and also feature four discrete outputs for on/off control. Isolation separates the output, power, and network circuits.


  • Datasheet for 917MB_918MB

Ordering info

Available Models

Model No.Model Description
917MB-0900Modbus RTU DC Current Output Module
918MB-0900Modbus RTU DC Voltage Output Module
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