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Honeywell 900G01-0202 Contact Closure Digital Input Module

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  • Vendor:

    Honeywell

  • Type:

    I/O Module

  • Tags I/o module

About the Product

Honeywell 900G01-0202 Contact Closure Digital Input Module

The 900G01-0202 is a self-powered Contact Closure Digital Input module from Honeywell. It provides 16 channels for direct connection to dry contacts, switches, and relay outputs without external power.

Technical Specifications

  • Brand & Model: Honeywell 900G01-0202
  • Product Type: Contact Closure Digital Input Module
  • Channels: 16 single-ended inputs
  • Supply Voltage: 15 V DC (self-powered by module)
  • Contact Resistance: Up to 1000 Ω maximum
  • Response Time: OFF to ON: ≤4 ms; ON to OFF: ≤6 ms
  • Switching Current: 2.6 mA nominal

Key Features

  • Self-powered - supplies 15V DC to field contacts
  • Four common terminals for wiring convenience
  • Per-channel green LED for ON state indication
  • Module status LEDs (green scan, red diagnostic)
  • Logic inversion capability in controller
  • Isolation between field wiring and module

Typical Applications

  • Dry contact monitoring (relays, switches)
  • Pushbutton and selector switch status
  • Manual override and maintenance signals
  • Simple binary status input

Advantages

  • No external power required for field devices
  • Simplified wiring with multiple common terminals
  • Reliable contact sensing with LED feedback
  • Industrial-grade isolation protection

Packaging & Shipping

  • New unit in factory packaging
  • Worldwide shipping via FedEx, UPS, DHL

FAQ

  • How does it power contacts? Module supplies 15V DC; closed contact completes circuit to detect ON state.
  • Contact resistance limit? Works with contacts up to 1000 Ω resistance.
  • Common terminals? Four terminals provided for flexible field wiring grouping.
  • Response speed? Fast response: ≤4 ms ON, ≤6 ms OFF.
  • What contacts can connect? Dry contacts, relay outputs, switch contacts (no external voltage needed).


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