Tutto sui PLC: la CPU
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
Process control networks utilizing Honeywell industrial automation platforms rely on the 51204160-175 to interface discrete field signals directly with the system backplane. This MC-TDIY22 Digital Input Field Termination Assembly (FTA) handles high-density digital inputs, converting nominal 24 Vdc signals from field contacts into system-compatible logic. Engineered for high-availability environments, the module supports fully redundant configurations to prevent single-point failures in critical monitoring loops.
The card features high-quality conformal coating to protect against particulate and corrosive chemical exposure, making it suitable for standard and harsh control room cabinets alike. With 32 discrete input channels and secure compression terminal connections, this FTA simplifies field wiring while maintaining robust physical connections for industrial instrumentation.
| Honeywell |
| 51204160-175 (MC-TDIY22) |
| Digital Input Field Termination Assembly (FTA) |
| 32 Discrete Channels |
| 24 Vdc |
| 15 to 30 Vdc |
| Compression Terminals |
| Yes |
| Yes |
| Size B (12 inches / 307 mm) |
| 1.5 kg |
| Interface Type | Functional Connection |
|---|---|
| Field Wire Terminals | Compression screw terminals for discrete contact inputs |
| System Interface Connector | Standard multi-pin cable connector to I/O processors |
| Redundant Interconnect | Dedicated path for secondary redundant controller coupling |
Global Express Shipping
Returns & Warranty

Process control networks utilizing Honeywell industrial automation platforms rely on the 51204160-175 to interface discrete field signals directly with the system backplane. This MC-TDIY22 Digital Input Field Termination Assembly (FTA) handles high-density digital inputs, converting nominal 24 Vdc signals from field contacts into system-compatible logic. Engineered for high-availability environments, the module supports fully redundant configurations to prevent single-point failures in critical monitoring loops.
The card features high-quality conformal coating to protect against particulate and corrosive chemical exposure, making it suitable for standard and harsh control room cabinets alike. With 32 discrete input channels and secure compression terminal connections, this FTA simplifies field wiring while maintaining robust physical connections for industrial instrumentation.
| Honeywell |
| 51204160-175 (MC-TDIY22) |
| Digital Input Field Termination Assembly (FTA) |
| 32 Discrete Channels |
| 24 Vdc |
| 15 to 30 Vdc |
| Compression Terminals |
| Yes |
| Yes |
| Size B (12 inches / 307 mm) |
| 1.5 kg |
| Interface Type | Functional Connection |
|---|---|
| Field Wire Terminals | Compression screw terminals for discrete contact inputs |
| System Interface Connector | Standard multi-pin cable connector to I/O processors |
| Redundant Interconnect | Dedicated path for secondary redundant controller coupling |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|