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ADAM-4055
8DI/8DO Modbus RS-485 Remote I/O

  • 8ch digital input/8ch digital output
  • Protocols:Modbus RTU,ASCII
  • Watchdog timer to recover the system
  • 2500VDC isolation protection
The ADAM-4055 offers 8-ch. isolated digital inputs and 8-ch. isolated digital outputs for critical applications. The inputs accept 10~50 V voltage, and the outputs supply 5~40 VDC open collector. Considered to be user-friendly. The ADAM-4055 is also built with LED indicator for easy status reading.

Product Specifications Download Spec

Communications
  • Interface
Environment
  • Isolation Voltage
  • Operating Temperature
General
  • Connectors
  • Protocol
Isolated Digital Input
  • Channels
  • Input Voltage
Isolated Digital Output
  • Channels
  • Output Type
  • Output Voltage
  • Sink Current
Power Requirements
  • Input Voltage

Communications

  • Interface

    ADAM-4055-C RS-485

Environment

  • Isolation Voltage

    ADAM-4055-C 2500 VDC
  • Operating Temperature

    ADAM-4055-C -10~70 °C (14~158 °F)

General

  • Connectors

    ADAM-4055-C 2 x 13-pin plug-in screw terminal
  • Protocol

    ADAM-4055-C ASCII command, Modbus/RTU

Isolated Digital Input

  • Channels

    ADAM-4055-C 8
  • Input Voltage

    ADAM-4055-C Dry Contact
    Logic level 1: close to DGND
    Logic level 0: open
    Wet Contact
    Logic level 1: 10~50 VDC
    Logic level 0: 0~3 VDC

Isolated Digital Output

  • Channels

    ADAM-4055-C 8
  • Output Type

    ADAM-4055-C Sink
  • Output Voltage

    ADAM-4055-C 0~40 VDC
  • Sink Current

    ADAM-4055-C 200 mA max./channel

Power Requirements

  • Input Voltage

    ADAM-4055-C 10~30 VDC

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