Honeywell 10024/I/I Enhanced Communication Module (ECM)
June 01, 2026

Honeywell 10024/I/I Enhanced Communication Module (ECM)

Product Overview The 10024/I/I is a high‑integrity Enhanced Communication Module (ECM) for Honeywell FSC safety systems. It acts as a dedicated communication coprocessor, offloading the FSC CPU by handling all external communications. Designed for safety‑critical process industries, it enables reliable, deterministic data exchange between the FSC and third‑party systems.

Description

Model Number Explanation

10024: FSC ECM series

I: Industrial grade / standard interface

I: Revision / variant (I = standard I/O)

Technical Specifications

Power Supply: 5 VDC, 850 mA (backplane fed)

Communication Ports:

1 × 10/100 Mbps Ethernet

2 × RS‑232 (ports A/B)

1 × Modem port

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

Data Rate: Up to 1 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: ~0.3–0.4 kg

Operating Temp: 0°C to +60°C

Certifications: CE, UL 508, TÜV (SIS safety rated)

Key Features

Multi‑protocol support: Native Ethernet + serial for maximum flexibility

Dedicated processor: Offloads CPU, ensuring deterministic safety logic execution

Redundancy capable: Supports dual‑module redundant configurations

Hot‑swap: Replace online without FSC shutdown

Sequence‑of‑Events (SOE): High‑precision time‑stamping for diagnostics

Industrial robustness: Coated PCB, wide temperature range, high noise immunity

Applications

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

Industries: Oil & gas, petrochemical, power, pharmaceuticals

Role: Interface FSC safety logic to DCS, SCADA, HMI, or remote monitoring systems

Compatibility

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

Racks: FSC 10000‑series I/O racks

Software: FSC firmware ≥ v2.78f; config tool ≥ v530

Replacement: Direct drop‑in; active/spare part available


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