Honeywell 51304493-250 APM Modem Card Product_Ningde Androld Automation Equipment Co.,Ltd.

June 10, 2026

Honeywell 51304493-250 APM Modem Card Product

1. Basic Model Information Part Number: 51304493-250 Generic Model: APM Modem Card Full Name: Advanced Process Manager Modem Communication Processor Card Applicable System: Honeywell TDC3000 / TPS UCN DCS (APM Advanced Process Manager Cabinet) Matching Rack: Standard APM I/O Rack Backplane Serial Variant Comparison: 51304493-100: Basic APM Modem 51304493-200: Conformal coated standard version 51304493-250: Heavy-duty conformal coated industrial enhanced version

Description

2. Product Function Description

This modem communication card is a core bus interface board dedicated to Honeywell APM controllers. It undertakes high-speed data conversion and signal isolation between the APM local control bus and the UCN global control network, realizing bidirectional data transmission between process control logic and the upper system operator station.

The -250 version adopts full-board anti-corrosion conformal coating design, with stronger anti-humidity, anti-dust and anti-corrosion performance, suitable for harsh chemical, power and petrochemical factory environments. It supports hot-swappable plug-in replacement without shutting down the entire cabinet, and integrates complete hardware self-diagnosis circuit to monitor bus communication faults, link disconnection and internal power abnormalities in real time, ensuring stable operation of the distributed control network.

3. Core Electrical Technical Specifications

Bus Interface: Dual-channel UCN control bus + APM internal local bus
Communication Rate: Standard UCN bus transmission rate, deterministic real-time industrial communication
Coating Feature: Full PCB conformal coating (key difference from -100/-200 models)
Power Supply: 24VDC power supplied via APM rack backplane
Operating Ambient Temperature: -40℃ ~ +70℃ industrial wide temperature range
Environmental Resistance: Adapt to high humidity, slight corrosive gas, dust workshop environment
Self-Diagnosis Function: Bus link status detection, card power monitoring, communication error counting alarm
Hardware Design: Standard Eurocard plug-in structure, metal shielding to suppress electromagnetic interference
Certification: UL industrial safety certification, original US Honeywell production
Power Consumption: Max 2.2W

4. Industrial Application Scenarios

Chemical Industry: APM cabinet network communication for reaction furnace, distillation column and chemical reactor control systems
Power Industry: Boiler, steam turbine auxiliary control cabinet UCN bus signal forwarding and data exchange
Oil & Gas Industry: Oil pipeline, natural gas compressor station distributed control network communication gateway
General Process Control: Water treatment, pharmaceutical, energy storage plant APM controller upper and lower network data interaction

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