Features:
- Interface Between the Analog Output Signals and Field Devices in Honeywell Control Systems
- Integrates Capability of 16-Channel Signal Distribution with Redundant Output Support
- Functions in Conjunction with Honeywell C300 and Series 8 I/O Modules
The Honeywell 8C-TAOX61 51306981-175 operates as the Analog Output IOTA module in Honeywell control systems, providing reliable analog signal transmission to all field devices within the process. It continuously distributes 16 channels of analog output signals through the IOTA backplane to support steady state operation of all control valves, actuators, and final control elements. Seamless signal output is standard with the 8C-TAOX61 51306981-175, however using its built-in Redundant (Red.) configuration will allow seamless switchover to a backup output path in the event of a primary circuit failure. The 8C-TAOX61 51306981-175 has made improvements in several areas over previous IOTA designs in addition to incorporating protective coating capability within harsh industrial environments.
The 8C-TAOX61 51306981-175 provides essential analog output functions common to the entire control system, and is a critical component of the control path, directly affecting the proper, normal operation of the overall process control system. One or two 8C-TAOX61 51306981-175 modules are utilized per rack depending on the desired channel density. The 8C-TAOX61 51306981-175 occupies a Size 12 slot in the rack and is designed for standard Honeywell rack configurations.
For Redundant Output applications, the Honeywell system leverages the 8C-TAOX61 51306981-175 module's inherent redundancy design. In addition to standard single path operation, the redundant configuration also performs automatic failover. The 8C-TAOX61 51306981-175 dual output configuration executes switchover using the internal circuitry specified in the module options. Using this method, the redundant output system continually monitors the health of both signal paths. If the system detects that the primary output circuit is no longer providing stable signal (outside configured tolerance levels), it will automatically transfer the output to the backup circuit and maintain continuous process control.
The 8C-TAOX61 51306981-175 Honeywell Analog Output IOTA module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Verified resources for Honeywell 8C-TAOX61 51306981-175:
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Honeywell 8C-TAOX61 51306981-175 Analog Output IOTA module Specs
General
- Manufacturer Honeywell
- Model 8C-TAOX61 51306981-175
- Condition New Original ready stock
- Product Family 8U-TAOX51,8U-TAOX61,8C-TAOX51
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Provides redundant analog command paths for critical process-control final elements.
- Supports paired Series C output electronics used with valves, positioners, and compatible actuators.
- Fits Experion cabinet designs that require redundant output hardware and shared field termination.
- Both IOM positions, connector paths, and redundancy assignments must match the approved cabinet layout.
- Channel wiring and keying are not interchangeable with the non-redundant output IOTA.
- Loop load, HART capability, and final-device requirements should be verified across the complete assembly.
- Paired output paths should be compared for command agreement and reported hardware status.
- Loop current and final-element response help distinguish a field problem from an IOM or IOTA issue.
- Maintenance records should capture switchover behavior and post-service channel validation.