Product Details：Honeywell 51204172125 (51204172-125) is the standard matched FTA termination assembly for Honeywell MU-TAIH22 high-level universal analog input IOP card of Experion PKS UCN I/O subsystem. It acts as the signal conversion interface between the high-level analog input module and various field instruments, including two-wire and four-wire 4-20mA transmitters, voltage sensors, RTD and thermocouple temperature sensors. This FTA board supports multiple types of analog signal wiring, and can switch and distribute current, voltage, resistance and millivolt signals on site, which is convenient for mixed signal point layout in the control cabinet. Each channel is equipped with independent surge suppression and transient absorption components, which can filter high-frequency noise and pulse interference introduced by long field cables, isolate abnormal voltage impact from the field side, and effectively protect the expensive MU-TAIH22 IOP card from damage. It adopts stable screw terminal wiring structure, the terminal area is clearly printed with channel number, signal positive and negative, auxiliary power and shielding grounding points, which is convenient for single-point loop check, signal type configuration and calibration during commissioning and maintenance. It connects to the matched analog input IOP card through MU-KFTS series shielded FTA cable, which improves the anti-interference performance of weak analog signals in industrial cabinets with many frequency conversion equipment. It follows the standard rack installation dimension of Honeywell PKS Series C cabinet and can be installed on the backplane together with the supporting IOP module. It can feed back loop open circuit, power loss and signal out-of-range alarm information to the Experion operation station through the IOP card, helping maintenance personnel quickly locate abnormal measurement loops. It is a necessary supporting termination spare part for Honeywell Experion PKS DCS mixed analog signal acquisition system construction, cabinet transformation and loop expansion projects, widely used in petrochemical, chemical, power and water treatment multi-parameter process monitoring occasions.

Key specifications：Universal analog input FTA assembly for MU-TAIH22,24VDC auxiliary power supply,multi-signal compatible terminals,built-in transient surge suppression,shielded cable connector. Operating temperature range is -10°C to +60°C. It supports continuity test,insulation test and multi-type signal verification during maintenance troubleshooting.

This high level analog input FTA assembly is widely deployed in petrochemical,chemical,power generation and water treatment plants for Honeywell Experion PKS DCS mixed analog signal centralized distribution,old universal termination board replacement and spare stocking projects. It cooperates with Honeywell C300 redundant controller,redundant UCN network and MU-TAIH22 analog input card to build flexible multi-variable process measurement architecture. As a core unit for MU-TAIH22 standard AI FTA board and multi-type field instrument signal carrier,it is the standard supporting termination assembly for PKS UCN universal analog input subsystem. Clearly marked channel terminals simplify field instrument wiring,signal configuration and regular shielding inspection work for control engineers.