Description

Product Overview

The Honeywell 10311/2/1 Dual Key Switch Module is a precision control interface within the FSC system, combining two independent key switches for critical system operations:

• Watchdog Reset Key Switch

  • Three make contacts

  • Key removable only in open (horizontal) position

  • Used for watchdog and fault reset

• Force Enable Key Switch

  • One potential-free make contact

  • Key removable in both open (horizontal) and closed (vertical) positions

  • Red LED indicator shows enabled state

  • Used to enable/disable software-controlled I/O forcing

Technical Specifications

Key Features

• Dual Independent Key Switches: Separate control for watchdog reset and I/O forcing

• Secure Key Removal Logic: Prevents accidental activation or deactivation

• Visual Status Feedback: Red LED confirms Force Enable state

• Standardized Keying: Identical keys across modules for streamlined access

• Compact & Rack-Compatible: Fits FSC system racks with minimal footprint

Application & Integration

Ideal for industrial automation systems requiring secure manual control over fault resets and I/O forcing. The 10311/2/1 module enhances operational safety and flexibility in critical process environments, especially where software-controlled signal manipulation must be tightly regulated.

Specifications

• Dimensions: 20.3 mm x 15.2 mm x 2.5 mm
• Brand: Honeywell

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems