Description

Honeywell FC-GMMD16 16-Channel Digital Input FTA Terminal Assembly Module

Core Technical Specifications

• Model: FC-GMMD16
• Brand: Honeywell (USA), belongs to Safety Manager SIS Safety Instrumented System & Experion PKS DCS Platform
• Warranty: 1 Year
• Power Supply: 24VDC industrial control power, input working range 18~30VDC (4~28VDC full tolerance)
• Channel Configuration: 16 fully independent digital input channels (dry contact passive contact / 24VDC active voltage signal dual compatible)
• Sampling Performance: High-speed internal signal conditioning, up to 100MHz signal sampling rate
• Operating Temperature: -20℃ ~ +60℃; Storage Temperature: -40℃ ~ +70℃
• Protection Class: IP20 circuit board (installed inside explosion-proof control cabinet only)
• Safety Integrity Level: SIL2 / SIL3 certified for safety loop application
• Explosion Proof Approval: Class I Div 1 / ATEX Zone 0/1 hazardous area qualified (match with safety isolation barriers)
• Mechanical Parameter: Standard rack plug-in FTA field termination board; Dimension 320×122×56mm, net weight 0.59kg
• Internal Protection: Channel overvoltage, reverse polarity, open/short circuit detection, ESD surge isolation for all field terminals
• 

Product Overview

The FC-GMMD16 is a dedicated FTA (Field Termination Assembly) terminal base board for Honeywell Safety Manager safety control system, the core wiring interface between the main digital input card and field on-site discrete switch signals.

It undertakes three core functions:

1. Field Signal Wiring Termination: Centralized wiring for 16 sets of field limit switches, pressure switches, flame detectors, valve feedback, emergency stop buttons and other on/off digital points; spring lock terminals with built-in small fuses for single-channel independent overload protection.
2. Signal Isolation & Filtering: Optical isolation design suppresses strong electromagnetic interference from power frequency inverters and high-voltage equipment in petrochemical plants, avoiding false triggering of safety logic caused by signal clutter.
3. Full Channel Self-Diagnosis: Real-time monitors wire break, short circuit, fuse blown and module power failure, uploads fault diagnosis codes to the Safety Manager main controller for system alarm and record keeping.