Honeywell HC900 Modules 900B01-0301 Analog Output Module - HC900 900B01-0301

Name: Honeywell HC900 Modules 900B01-0301 Analog Output Module - HC900 900B01-0301
Brand: Honeywell

Model: HC900 900B01-0301

Brand Honeywell

Series Pending

Model HC900 900B01-0301

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Technical Dossier

Product Details And Specifications

Honeywell HC900 Series Technical Notes

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

The Evolution of HC900 Architecture

The HC900 platform was introduced by Honeywell as a successor to earlier hybrid controller lines, designed to bridge the gap between standalone PLCs and full-scale DCS installations. Early hardware revisions featured single-slot CPU modules with limited peer-to-peer communication. Subsequent generations introduced the 900C71-0243 and 900C72-0243 redundant CPU pairs, enabling hot-standby failover for critical process loops. The communication architecture evolved from proprietary RS-485 backplane signaling to Ethernet-based supervisory connectivity via the 900CS-0001 configuration station interface. I/O expansion was standardized around the 12-slot and 4-slot rack form factors, with modules communicating over a dedicated backplane bus. Compatibility between hardware generations is constrained by firmware revision alignment — mixing early-generation I/O modules with later CPU firmware revisions requires validation against Honeywell's compatibility matrix. As of 2024, the HC900 platform has entered the mature/end-of-active-development phase. Honeywell continues to provide limited spare parts and firmware patches, but new feature development has ceased. Facilities operating HC900 systems should implement a long-term maintenance inventory strategy to mitigate supply chain risk for critical modules.

HC900 Full Catalog & Functionalities (SKU List)

Analog Output Modules

900B01-0301: 4-channel 4–20 mA analog output, 12-bit resolution, loop-powered
900B01-0101: 4-channel analog output module, voltage/current configurable
900B02-0101: 8-channel 4–20 mA analog output, high-density I/O expansion

Analog Input Modules

900G01-0001: 8-channel universal analog input, thermocouple/RTD/mV/V/mA
900G02-0001: 16-channel analog input, 4–20 mA, single-ended configuration
900G03-0001: 8-channel high-speed analog input for fast loop response
900G04-0001: 4-channel isolated analog input, high-voltage signal conditioning

Digital Input Modules

900H01-0001: 32-channel 24 VDC digital input, sink/source configurable
900H02-0001: 16-channel 120 VAC digital input module
900H03-0001: 32-channel 24 VDC digital input, high-density rack mount

Digital Output Modules

900H11-0001: 16-channel relay output, Form C contacts, 2A per channel
900H12-0001: 32-channel 24 VDC transistor output, sourcing type
900H13-0001: 16-channel 120 VAC triac output module

CPU & Controller Modules

900C71-0243: HC900 primary CPU module, Ethernet supervisory port, redundancy-capable
900C72-0243: HC900 secondary/redundant CPU module, hot-standby pair for 900C71
900C51-0100: HC900 standalone CPU, non-redundant, standard process applications

Communication & Power Modules

900P01-0001: HC900 rack power supply, 24 VDC input, 12-slot rack compatible
900P02-0001: HC900 redundant power supply module, dual-feed configuration
900CS-0001: HC900 configuration and supervisory communication interface

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