900G01-0202 Honeywell Contact Digital Input Module | 16CH 900 Series

Product Overview – Honeywell 900G01-0202 Digital Input Module

• Honeywell 900G01-0202 is a contact-type digital input module for industrial control systems.
• Designed for stable signal detection from external switches.
• Module supplies internal 15 VDC loop power automatically.
• Closed contact creates current flow and activates input state.
• Controller logic allows signal inversion when required.
• Four common terminals simplify field wiring work.

Main Functional Benefits

• 16 single-ended inputs increase monitoring capacity.
• Self-powered input loop reduces external wiring needs.
• Channel LEDs provide instant input status visibility.
• Fast switching response improves system reaction time.
• Isolation design protects controller electronics.
• Reliable operation in industrial environments.

Technical Specifications

• Brand: Honeywell
• Model: 900G01-0202
• Series: Honeywell 900 Series
• Module Type: Contact Closure Digital Input Module
• Inputs per Module: 16 channels
• Input Style: Single-ended contact input
• Supply Voltage: 15 VDC provided by controller
• Switching Current: 2.6 mA nominal
• Maximum Contact Resistance: 1000 Ω
• Isolation: Field wiring isolated from module electronics
• OFF → ON Response Time: 4 ms maximum
• ON → OFF Response Time: 6 ms maximum
• Status Indicators: Channel LED + module diagnostics LEDs
• Scanning Indicator: Green blinking LED
• Diagnostics Indicator: Red LED alarm status

Configuration Breakdown (Tree Structure)

• 900G01
  • Honeywell 900 Series digital I/O platform
• -02
  • Digital input functional category
• 02
  • 16-channel contact closure configuration
  • Self-powered input loop design

Operating Principle

• Module provides internal loop voltage.
• External switch closes circuit.
• Current flow activates ON signal state.
• Controller processes signal logic automatically.

Status & Diagnostic Indicators

• Green LED per channel shows active input.
• Blinking green LED confirms module scanning.
• Red LED warns about diagnostic faults.
• Quick visual check reduces troubleshooting time.

Installation Guidance

• Mount module securely inside system rack.
• Use clean contact wiring for stable signals.
• Avoid long parallel routing with power cables.
• Verify contact resistance before startup.

Typical Industrial Applications

• Limit switch monitoring
• Push button input detection
• Relay status monitoring
• Machine safety interlocks
• Factory automation control panels

Warranty & Delivery Information

• 12-month warranty provided after shipment.
• Global shipping available.
• Courier partners: FedEx, UPS, DHL.
• Secure industrial packaging included.

Professional FAQ & Selection Advice

• Does this module require external power for inputs?
• No. The module supplies its own 15 VDC loop power.
• How can I confirm input activity quickly?
• Check the green LED assigned to each channel.
• When should contact input modules be selected?
• Choose them for dry contacts such as switches or relays.
• What affects switching response speed?
• Contact quality and wiring length influence response stability.
• What should buyers confirm before ordering?
• Verify channel count, wiring type, and controller compatibility.

Contact Information Inquiries:
sales@powergearx.com |
+86 18030005825 (WhatsApp)

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