Honeywell 900G01-0102 Digital Input Module – Contact Closure Type

Overview

The Honeywell 900G01-0102 digital input module supplies 15VDC to external switching hardware, enabling contact closure detection. It features 16 single-ended inputs with galvanic isolation for reliable performance. LED indicators provide real-time status monitoring, and logic control allows state inversion when needed.

General Information

Parameter	Details
Brand	Honeywell
Model	900G01-0102
Category	Digital Input Module
Input Type	Contact Closure
Inputs per Module	16 (Single-Ended)

Electrical Specifications

Parameter	Details
Voltage Supplied	15 VDC nominal (provided by controller)
Maximum Contact Resistance	1000 ohms
Switching Current	2.6 mA nominal
Galvanic Isolation	Isolation between field wiring and module (microcontroller or backplane)

Response Time

Parameter	Details
OFF to ON Response Time	4 ms max
ON to OFF Response Time	6 ms max

* These values exclude controller scan time and transmission time from module to backplane.

Power Consumption

Parameter	Details
5V Power Supply Loading	130 mA max
24V Power Supply Loading	40 mA max

Status Indicators

Indicator Type	Function
Green LED (Per Channel)	Indicates when a digital input is ON
Green Blinking LED	Shows that the module is being scanned
Amber Blinking LED	Highlights forced channels
Red LED	Signals a module diagnostics error