Honeywell 900G03-0102 HC900 Digital Input Module The Honeywell 900G03-0102, also cataloged as the 900G03-0102 Digital Input Module, operates as a...
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Honeywell 900G03-0102 HC900 Digital Input Module
The Honeywell 900G03-0102, also cataloged as the 900G03-0102 Digital Input Module, operates as a dedicated hardware component for AC discrete signal acquisition within the Honeywell ControlEdge HC900 control system. The module receives 120/240 VAC field inputs and converts switching states into controller-readable digital signals.
Hardware Specifications
Parameter
Specification
Model
900G03-0102
Brand
Honeywell
Product Type
Digital Input Module
System Series
Honeywell ControlEdge HC900
Input Type
AC Digital Input
Channel Count
16 points
Input Voltage Range
120/240 VAC
Maximum Input Current
2.6 mA max per channel
Logic Supply Voltage
5 VDC via backplane
Origin
Not specified in supplied data
Weight
0.22 kg
Dimensions
13.3 x 14.1 x 3.5 cm
Manufacturer Status
Discontinued by manufacturer
Installation Type
HC900 controller rack module
Channel Isolation and Process Control Signal Handling
The Honeywell 900G03-0102 uses isolated digital input channels for monitoring AC field devices connected to the HC900 controller platform. The module supports point-level status detection from external electrical contacts, including switches, relays, and auxiliary contacts.
In addition, the module design follows Honeywell process control I/O practices with channel-to-channel isolation considerations. This arrangement reduces interference between field input circuits and supports stable signal processing within distributed control environments. The module does not provide analog measurement functions or 4-20 mA HART loop communication because it is designed specifically for discrete AC input acquisition.
Frequently Asked Questions
Q: What type of field signals does the Honeywell 900G03-0102 accept? A: The module accepts 120/240 VAC discrete input signals and processes ON/OFF electrical states for the HC900 controller.
Q: How many input points are available on the 900G03-0102 module? A: The module provides 16 digital input channels, with each channel supporting a maximum input current of 2.6 mA.
Q: Does the 900G03-0102 support analog signals or communication protocols? A: No. The module is a digital AC input module and does not support analog channels, HART communication, FOUNDATION Fieldbus, or Profibus PA interfaces.
Field Installation Guidelines
Install the 900G03-0102 module only in compatible Honeywell HC900 controller racks.
Verify that field wiring voltage matches the specified 120/240 VAC input range before connection.
Separate AC field signal wiring from low-level communication and analog signal cables to reduce electrical noise coupling.
Use appropriate grounding methods for the controller cabinet and maintain proper shield termination practices where applicable.
Confirm terminal connections and module seating before applying system power.
Follow Honeywell HC900 installation manuals for rack addressing, I/O configuration, and controller recognition procedures
