PRODUCT INFORMATION
Product Overview
The Honeywell 10311/2/1 FSC Control/Reset Module provides dedicated front-panel switching for safety system diagnostics and overrides. It integrates two separate key-operated switches for watchdog reset and force enable operations. Each switch position features key coding to prevent unauthorized personnel from altering critical safety states. Integrated LED indicators supply immediate visual feedback of active operating modes across the safety rack.
Engineered for Fail Safe Control architectures, this hardware unit occupies 4 TE width and 3 HE height. Typical current consumption is 5 mA at 24 VDC, with absolute maximum ratings of 36 VDC and 2 A. Internal reverse polarity protection shields the internal electronics against wiring errors during commissioning and servicing. The module aligns with module code and rack code positions A5 and A13.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Function | Dual key switch for Reset and Force Enable |
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| Typical Current Consumption | 5 mA @ 24 VDC |
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| Maximum Voltage | 36 VDC |
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| Maximum Current | 2 A |
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| Reverse Polarity Protection | Yes |
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| Form Factor | 4 TE, 3 HE (4 HP, 3U equivalent) |
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| Module Code | A5, A13 |
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| Rack Code | A5, A13 |
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| Physical Dimensions | 120 × 100 × 50 mm |
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| Net Weight | 0.118 kg |
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TECHNICAL INFORMATION
Features
- Dual key switches provide independent control for reset and force enable operations.
- Key-coded lock mechanism restricts maintenance override operations to authorized staff.
- Front-panel LED indicators display clear visual feedback for each switch position.
- Low operating power demand with 5 mA typical current draw at 24 VDC.
- Internal electrical circuitry incorporates reverse polarity protection up to 36 VDC.
- Compact 4 TE, 3 HE profile fits standard Honeywell FSC rack configurations.
TECHNICAL INFORMATION
Applications
- Honeywell Fail Safe Control (FSC) safety instrumented systems.
- Emergency shutdown (ESD) system maintenance and operational reset loops.
- Supervised watchdog reset routines during safety rack servicing.
- Field signal override and force enable management during safety testing.
TECHNICAL INFORMATION
Connections / Interfaces
- Front-panel dual keyed switch positions for RESET and FORCE ENABLE.
- Integrated front-facing status LEDs indicating switch positions.
- Rear backplane connector interfacing with FSC rack bus backplane.
TECHNICAL INFORMATION
Installation Guidelines
- Insert module into designated FSC chassis positions matching codes A5 or A13.
- Ensure system power is isolated before inserting or removing the assembly.
- Confirm key cylinder engagement and front-panel mechanical clearance after mounting.
TECHNICAL INFORMATION
Configuration Guidelines
- Verify key-coding assignments match plant standard operating procedures.
- Follow Honeywell FSC documentation for watchdog reset initiation procedures.
TECHNICAL INFORMATION
Compatibility
- Compatible with Honeywell FSC chassis slots keyed for module codes A5 and A13.
- Operates alongside FSC central processor and watchdog monitoring assemblies.
TECHNICAL INFORMATION
Lifecycle / Replacement Information
- Subject to Honeywell Last Time Buy notification with end-of-sale effective December 31, 2025.
- Maintained through qualified spare inventory and repair support services.
TECHNICAL INFORMATION
Compliance and Certifications
TECHNICAL RESOURCES
Documentation
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSCompatible with Honeywell FSC chassis slots keyed for module codes A5 and A13. Operates alongside FSC central processor and watchdog monitoring assemblies.
Verify compatibility against the exact Part Number, revision and manufacturer documentation before ordering.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What primary functions does the Honeywell 10311/2/1 module perform?
The module provides hardware key switches for watchdog reset and force enable functions within FSC racks.
What rack space does the 10311/2/1 occupy in an FSC chassis?
It occupies 4 TE width and 3 HE height, matching standard 4 HP and 3U dimensions.
What are the electrical ratings for this module?
The module typically draws 5 mA at 24 VDC, with maximum ratings of 36 VDC and 2 A.
What is the lifecycle status of the 10311/2/1 module?
Honeywell announced an end-of-sale date of December 31, 2025, supported via available spare stock and repair.
