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ADAM-4051
16DI Modbus RS-485 Remote I/O

  • 16ch digital input
  • Protocols:Modbus RTU,ASCII
  • Watchdog timer to recover the system
  • 2500VDC isolation protection
The ADAM-4051 is a 16-ch. Digital Input Module, built with 2500 VDC optical isolation, suitable for critical applications. Different from other modules, the ADAM-4051 accepts 10~50V input voltage to fit various digital signals, such as 12 VDC, 24 VDC, 48 VDC. Moreover, users can read the current status from the LED indications on the front panel.

Product Specifications Download Spec

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

Communications

  • Interface

    ADAM-4051-C RS-485

Environment

  • Isolation Voltage

    ADAM-4051-C 2500 VDC
  • Operating Temperature

    ADAM-4051-C -10~70 °C (14~158 °F)

General

  • Connectors

    ADAM-4051-C 2 x 13-pin plug-in screw terminal
  • Protocol

    ADAM-4051-C ASCII command, Modbus/RTU

Isolated Digital Input

  • Channels

    ADAM-4051-C 16
  • Input Voltage

    ADAM-4051-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

Power Requirements

  • Input Voltage

    ADAM-4051-C 10~30 VDC

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