Honeywell 10024HF (10024/H/F) Enhanced Communication Module (ECM)
June 01, 2026

Honeywell 10024HF (10024/H/F) Enhanced Communication Module (ECM)

Product Overview The 10024HF (10024/H/F) is a high‑performance Enhanced Communication Module (ECM) for Honeywell FSC safety systems. It serves as a dedicated communication coprocessor, offloading the FSC CPU to handle all external and inter‑rack communications. Compared to the standard 10024/I/I, the H/F variant offers higher speed, extended protocol support, and enhanced diagnostics, making it ideal for large, complex SIS (Safety Instrumented Systems) deployments.

Description

Model Number Explanation

10024: FSC ECM series

H: High‑performance / enhanced hardware

F: Firmware variant (F = full protocol suite)

Technical Specifications

Power Input: 5 VDC ±5%, 850 mA (backplane fed)

Communication Ports:

2 × RS‑232/422/485 (software configurable, ports A/B)

1 × Ethernet 10/100 Mbps (optional, depending on revision)

Supported Protocols: Modbus RTU/TCP, DNP3, Honeywell Highway, FSC‑FSC peer‑to‑peer, Allen‑Bradley DF1

Data Rate: Up to 1.5 Mbps (serial); 100 Mbps (Ethernet)

Isolation: 1500 V AC (channel‑to‑backplane)

Form Factor: 3U × 4TE (132 mm × 20 mm), 19” rack mount

Dimensions: 173 × 107 × 42 mm (H×W×D)

Weight: ~0.3 kg

Operating Temp: ‑20°C to +65°C (extended range vs. standard I/I)

Certifications: CE, UL 508, TÜV (SIL 3 safety rated)

Key Features

High‑performance processor: 32‑bit RISC, 8 MB RAM, 4 MB flash (vs. standard 10024/I/I)

Multi‑protocol master/slave: Simultaneous support for Modbus, DNP3, and Honeywell proprietary protocols

Redundancy support: Dual‑module redundant operation with automatic failover

Hot‑swap: Replace online without FSC shutdown

Advanced diagnostics: On‑board fault logging, LED status indicators, and front‑panel test points

Extended temperature: Operates reliably in harsh industrial environments

Applications

Systems: Honeywell FSC, Experion PKS (C200/C300 SIS)

Industries: Oil & gas, petrochemical, power generation, pharmaceuticals

Role: Interface FSC safety logic to DCS, SCADA, HMI, or remote monitoring systems; inter‑rack communication in distributed FSC architectures

Compatibility

CPU: 10002/1/1, 10002/1/2 (FSC CPU modules)

Racks: FSC 10000‑series I/O racks

Software: FSC firmware ≥ v3.0; config tool ≥ v550

Replacement: Backward compatible with 10024/I/I; active/spare part available


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