Honeywell MC-TDIY22 51204160-175 - Image 1

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Honeywell MC-TDIY22 51204160-175

Product Name: Digital Input Field Termination Assembly (FTA)
Product Introduction: Interface module connecting field digital input devices (sensors, switches, proxes) to Honeywell Experion PKS / TDC 3000 systems, providing signal conditioning and termination.

Category: Honeywell

Description

Technical Specifications:
- Input Channels: 32 independent digital inputs.
- Input Voltage: 15 – 30 VDC (nominal 24 VDC).
- Termination: Compression terminals (Size B).
- Isolation: Optical isolation between field inputs and system side.
- Dimensions: Approx 10.8 x 12.1 x 5.5 cm; Weight ~0.55 kg.
Functional Features: Supports redundant configuration, hot-swappable (system dependent), conformal coated PCB for harsh environments, direct wire termination without additional terminal blocks.
Application Scenarios: Monitoring limit switches, emergency stops, level switches, flow/no-flow indicators in process industries.
Performance Parameters: Channel-to-channel isolation withstand, compatible with 24 VDC sourced or sunk field devices, CE compliant variants available.
Material/Structure: Molded plastic base with metal reinforcement, compression lug inserts, LED indicators per channel (on associated IOP), VMEbus or rack mount.
Working Principle: Field device closes contact to supply 24 VDC to input channel; optocoupler transfers signal to logic side; FTA acts as passive termination distributing signals to I/O processor.
Installation Requirements: Install in Honeywell I/O rack or DIN enclosure; use ferrule-terminated wires for compression lugs; torque to spec to avoid loose connections.
Usage Notes: Ensure field voltage is 24 VDC ±10%; do not mix sinking/sourcing loops incorrectly; verify redundancy cabling if used in high-availability systems; clean contacts periodically in corrosive atmospheres.

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