Honeywell FC-IOTA-NR24 51306507-175 Field Termination Assembly Module

Parameter
Model: FC-IOTA-NR24 51306507-175 Field Termination Assembly Module
Input Voltage Range: 24 VDC (-15% to +30%)
Maximum Supply Load: 10 A
Maximum Input Voltage: 30 VDC
Power Dissipation: < 1 W (Base assembly circuitry overhead)
Supported Wire Gauge: 24 to 12 AWG
Galvanic Isolation: 500 V RMS between field loops and backplane logic
Operating Temperature: -40 to +70 °C (-40 to +158 °F)
Storage Temperature: -40 to +85 °C (-40 to +185 °F)
Relative Humidity: 10 to 95% (non-condensing)

Description

The Honeywell FC-IOTA-NR24 51306507-175 is a non-redundant Input/Output Termination Assembly (IOTA) designed for the Honeywell Series C I/O platform. It provides the termination point between field wiring and compatible Series C I/O modules, allowing field signals to be connected to the control system through a standardized wiring interface. The FC-IOTA-NR24 is designed to support straightforward installation and maintenance by using removable terminal connections, simplifying field wiring and reducing the time required for module replacement. As part of the Series C I/O architecture, it works together with compatible I/O modules to provide reliable signal connections while maintaining the modular design of the Experion® PKS control system. Designed for industrial automation applications, the FC-IOTA-NR24 integrates into Honeywell Series C cabinets and supports dependable operation in process control systems. 

Frequently asked questions

Q:What is the Honeywell FC-IOTA-NR24 51306507-175?
A:The FC-IOTA-NR24 (51306507-175) is a non-redundant Input/Output Termination Assembly (IOTA) for Honeywell Series C I/O. It provides the termination point between field wiring and compatible Series C I/O modules within the Experion® PKS control system.

Q:What is the primary function of the FC-IOTA-NR24?
A:Its primary function is to connect field devices to compatible Series C I/O modules, providing a reliable and organized interface for field signal wiring while supporting the modular architecture of the control system.

Q:What applications commonly use the FC-IOTA-NR24?

A:The module is widely used in oil and gas, refining, petrochemical, chemical processing, power generation, pharmaceuticals, and other continuous process industries utilizing Honeywell Experion PKS with Series C I/O.

Application areas

The Honeywell FC-IOTA-NR24 51306507-175 serves as the physical interface bridging field instruments to critical process modules, it is widely deployed across massive, continuous process automation industries where structural density and efficient cable termination are required.The primary application areas for the FC-IOTA-NR24 terminal assembly include:

• Refinery Control Rooms: Installed inside marshalling and I/O cabinets to terminate field signals from temperature transmitters, pressure loops, and control valves operating across distillation or catalytic cracking units.
• Water Treatment Facilities: Interfaces with chemical dosing loops, filtration control valves, and pH/conductivity analyzers inside industrial water purification units.
• Industrial Gas Facilities: Handles the analog and digital signal channels required for air separation units (ASU) managing nitrogen and oxygen extraction loops.

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