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Key Technical Specifications
- Function: Communication interface for the FSC Central Part, tying the CPU/system bus to external communication links
- Module Family: Sits alongside 10004/1/1 (COM), /B/1 (RS232C), /E/1 (current loop), /F/1 (tri-state RS232C), /G/1 (glass fiber), /H/1 (RS422 with readback), /I/1 (isolated RS485/RS422) — the /F suffix on this part number indicates a specific interface/revision variant within this family
- Mounting: Central Part rack, takes up two rack positions per Honeywell’s system bus documentation (jumper removal required behind the module on the system bus)
- System-Level Operating Temperature: 0°C to +60°C (32°F to +140°F), measured at the Central Part rack by the Diagnostic and Battery Module
- System-Level Storage Temperature: −25°C to +80°C (−13°F to +176°F)
- System-Level Humidity: 95% relative humidity, non-condensing
- System-Level Vibration: Sinusoidal, 10-150 Hz, 3 axes
- System-Level Shock: 15 G, 3 axes, 11 ms duration
- Compliance (system-level): CE (EMC Directive 89/336/EEC, Low Voltage Directive 73/23/EEC), UL 1998, UL 508, UL 991, CSA C22.2 No. 142, DIN V 19250 (up to AK 8), DIN V 0801
- ⚠️ Module-Specific Electrical Ratings (power draw, signal levels, connector pinout): Not captured in this pass — these are documented on the specific data sheet page for this interface variant in Section 4 of the FSC Hardware Manual (PM.MAN.8048). Confirm against that page before wiring.
Product Introduction
The Honeywell FSC 10004/I/F is a Communication Module in the Fail Safe Control (FSC) platform’s Central Part module lineup, providing an interface link between the FSC processor and external communication protocols. It’s one of several interface variants under the 10004 family — Honeywell offers RS232C, current loop, glass fiber, RS422, and isolated RS485/RS422 versions depending on what the plant’s safety system needs to talk to.
FSC is a TÜV-certified, IEC 61131-2 compliant safety controller platform built for process industries, and this module occupies a Central Part rack position alongside the CPU, memory, and watchdog modules. Since it takes up two rack slots and requires a specific jumper configuration on the system bus behind it, swapping this part isn’t a simple pull-and-plug — rack wiring needs to match the module’s requirements.
10004/I/F
10004/I/F
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No communication on the interface at all | Module fault, wiring issue, or system bus jumper not removed | ✅ High | Verify system bus jumper is removed behind the COM module position | Check jumper configuration before condemning the module |
| Intermittent communication dropouts | Signal integrity issue on RS485/RS422 line or connector wear | ⚠️ Medium | Inspect cabling and connector condition per FTA/SIC wiring guides | Check wiring before assuming module failure |
| Diagnostic and Battery Module reports fault at this rack position | Module fault or incorrect rack placement | ✅ High | Verify module is in the position calculated by FSC user station software | Central Part modules must sit at their designated software-calculated position |
| System won’t recognize the module after replacement | Wrong interface variant installed (mismatched suffix) | ✅ High | Confirm exact part number suffix matches original (10004/I/F specifically) | Don’t substitute a different 10004 interface variant without verifying compatibility |
Send your FSC system configuration (from the user station software) and the exact rack position of this module to technical support if a swap doesn’t resolve communication issues — Central Part module placement in FSC systems is software-calculated, not arbitrary.
Frequently Asked Questions (FAQ)
Can I substitute this with a different 10004 interface variant (like the /H/1 or /B/1)?
Not without verifying your system’s actual communication requirements. Each suffix (B, E, F, G, H, I) represents a different physical interface — RS232C, current loop, glass fiber, RS422, etc. These aren’t interchangeable just because they share the base 10004 part number.
Does this module need special rack placement?
Yes — Central Part modules must be placed at rack positions calculated by the FSC user station software. Placing it elsewhere means the Diagnostic and Battery Module and diagnostic program won’t correctly identify faulty module positions.
Is this a plug-and-play module?
No — communication modules in the 10004 family are non-plug-and-play type (10xxx/1/x wiring convention on the rack connectors), which affects key-coding and installation procedure. Verify against the key-coding tables in the Hardware Manual before installing.
Why is this priced as surplus rather than new?
FSC is a legacy Honeywell safety platform, and this specific communication module variant is a discontinued line item. Ask your supplier for the exact revision and test documentation, and confirm the alt# (05502) matches what you need for your system.
Do I need to remove a jumper when installing this module?
Yes — communication modules take up two rack positions on the Central Part system bus, and the jumper between the connectors used by the module must be removed (located behind the module’s mainboard). Skipping this step is a common installation error.
Is this part rated for hazardous locations?
The FSC system-level compliance covers CE, UL, and CSA industrial standards, but hazardous location certification isn’t listed among the general standards found for this platform. Confirm specific area classification requirements against your plant’s documentation before installation in a classified area.
