Honeywell 51109919-100 (I/O Terminal Board / Signal Conversion Card) Maintenance: Regularly check interface contacts and indicator light status, maintain ventilation and dust prevention Spares: It is
June 01, 2026

Honeywell 51109919-100 (I/O Terminal Board / Signal Conversion Card) Maintenance: Regularly check interface contacts and indicator light status, maintain ventilation and dust prevention Spares: It is

Product Introduction Honeywell 51109919-100 is an I/O terminal board (FTA) for the Honeywell DCS system (such as TDC3000/TPS series), used for the transfer, isolation and wiring between on-site signals and control cards. It is a standard spare part of the system.

Description

Model Explanation

51109919-100

51109919: Basic model (I/O terminal board type)

-100: Hardware version / specification code (standard version) Technical Specifications

Adaptation system: Honeywell TDC3000, TPS system I/O cards

Signal types: Supports digital (DI/DO) and analog (AI/AO) signal conversion

Connection method: Screw terminals, supports direct connection of multi-core cables

Operating temperature: 0°C ~ +60°C

Protection level: IP20 (installed in the cabinet)

Dimensions (approx.): 220 × 120 × 30 mm

Weight (approx.): 0.8 kg

Interface and communication configuration

Field side: Multi-channel screw terminal block (compatible with 16/32-point I/O)

System side: Special flat cable / connector, connects to I/O control card

Isolation: Some channels with photoelectric isolation, anti-electromagnetic interference

Core functions

Signal conversion: Seamless connection of field sensors/actuators signals with DCS cards

Line protection: Built-in fuse to prevent overcurrent damage to cards

Status monitoring: With channel indicator lights, facilitating on-site fault troubleshooting

Simplified wiring: Centralized wiring, reducing cable clutter in the cabinet Applicable scenarios

I/O signal wiring for Honeywell TDC3000/TPS system

DCS control cabinets for process industries such as chemical, power, and metallurgy

Maintenance of old systems, replacement of spare parts, and expansion projects

Instructions for use and maintenance

Installation: Standard cabinet rail installation, corresponding to each I/O card

Wiring: Connect the on-site signal lines according to the terminal labels, tighten the screws

Maintenance: Regularly check for terminal looseness and indicator light status, maintain dust-free and dry conditions

Spare parts: It is recommended to redundantly back up key I/O nodes to shorten the fault recovery time


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