The Honeywell 51309218-175 is a Field Termination Assembly (FTA) engineered for multiplexing low-level analog signals within legacy Honeywell FSC and IOP system architectures. As a core component of the MC-TAMR03 Rev. E/B family, this module serves as the interface layer for RTD and millivolt-level instrumentation inputs in distributed control environments.
This assembly utilizes electromechanical relay switching to route field signals to the control system input processing stages. By facilitating sequential channel multiplexing, it allows for the integration of multiple critical process sensors into a unified control loop. Please note that this specific model uses electromechanical relay technology; users seeking enhanced lifecycle stability and solid-state reliability are typically directed toward the functionally compatible 51305907-175 replacement unit.
This FTA is historically utilized in process industries where high-density signal termination is required, including power generation, petrochemical refining, and complex manufacturing facilities. It is primarily deployed in systems requiring stable, low-level analog input conditioning for temperature and millivolt process variables.
| Model | 51309218-175 |
| Brand | Honeywell |
| Module Type | Low Level Analog Mux FTA |
| System Family | MC-TAMR03 Rev. E/B |
| Switching Technology | Electromechanical Relay |
| Input Compatibility | Low level analog / RTD |
| Operating Temperature | 0 to 60 deg C |
| Power Requirements | Passive (No internal supply) |
No, this model has been superseded by the 51305907-175. The newer model replaces the electromechanical relays with solid-state switching technology to eliminate wear-related failures.
No, the 51309218-175 is a passive field termination assembly and does not require its own dedicated power supply.
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.