Honeywell 8C-TAOX61 51306981-175
Honeywell 8C-TAOX61 51306981-175
Honeywell 8C-TAOX61 51306981-175
Honeywell 8C-TAOX61 51306981-175
Honeywell 8C-TAOX61 51306981-175
Honeywell 8C-TAOX61 51306981-175
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8C-TAOX61 51306981-175

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Honeywell 8C-TAOX61 51306981-175 is the coated redundant Series C analog output IOTA for sixteen HART-capable channels. It supports redundant output electronics for field control loops.
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Technical specifications for 8C-TAOX61 51306981-175

  • Manufacturer:
    Honeywell
  • Part Number:
    8C-TAOX61 51306981-175
  • Product Family:
    Honeywell Experion PKS ( C200, C300 )
  • Product Type:
    Analog Output IOTA module
  • Stock:
    1
  • Output Type:
    4-20 mA
  • Output Channels:
    16
  • Output Ripple:
    100 mV peak-to-peak at power line frequency, across 250 Ω load
  • Resolution:
    ± 0.05% of Full Scale
  • Calibrated Accuracy:
    ± 0.35% of Full Scale (25oC) including linearity
  • Directly Settable Output Current Range:
    0 mA, 2.9 mA to 21.1 mA
  • Maximum Open Circuit Voltage:
    22 V
  • Gap (0 mA) of Output to Field on Switchover:
    10 ms maximum (applies to Redundancy only)
  • Weight:
    0.8378 lbs (0.38 kg)
  • Estimated shipping dimensions:
    29.5x12x6.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Interoperability Monitoring

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.
Description
The Honeywell 8C-TAOX61 51306981-175 is an Analog Output (AO) IOTA (Input/Output Termination Assembly) module specifically designed for industrial process control systems requiring high reliability and continuous operation. The 8C-TAOX61 51306981-175 features a redundant architecture (Red.), making it ideal for critical control loops where uninterrupted signal output is essential. This redundancy ensures that if one output path fails, the backup path maintains seamless operation, effectively eliminating single points of failure that could lead to costly process disruptions or safety incidents.

The 8C-TAOX61 51306981-175 is equipped with a protective coating (Coated) on its circuit board, specifically engineered to withstand harsh industrial environments. This coating provides superior resistance against moisture, dust, corrosive gases, and chemical contaminants, solving the common problem of premature module degradation in petrochemical plants, oil and gas refineries, and power generation facilities where atmospheric conditions are particularly challenging.

With 16 output circuits, the 8C-TAOX61 51306981-175 addresses the need for high-density analog signal distribution in complex control systems. It enables efficient management of multiple control loops from a single module, reducing cabinet space requirements and simplifying wiring infrastructure. The module's Size 12 form factor ensures full compatibility with Honeywell's standard rack configurations, facilitating straightforward installation, maintenance, and system expansion.
Alternative Names
8C-TAOX51 8U-TAOX61 8U-TAOX51 8C-PAOH51 8U-PAOH51 8C-PAON01 8U-PAON01
Technical notes
Both paths in the redundant output assembly must be reviewed before replacing 8C-TAOX61 51306981-175 so that the installed IOM pairing and field termination remain consistent.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How does Honeywell 8C-TAOX61 51306981-175 differ from TAOX51?
TAOX61 is the redundant analog-output IOTA and provides the physical arrangement for paired Series C output electronics.
Which current behavior applies to Honeywell 8C-TAOX61 51306981-175?
The documented output family supports 0 mA and 2.9 to 21.1 mA operation, with a 22.5 mA maximum.
Where is Honeywell 8C-TAOX61 51306981-175 most useful?
It fits process-control loops where redundant output electronics are required to command compatible final control elements.
What fault boundaries protect Honeywell 8C-TAOX61 51306981-175?
The Series C output design includes short-circuit protection and protection against an external positive 30 VDC source.
What must remain paired during Honeywell 8C-TAOX61 51306981-175 replacement?
Maintain both IOM identities, redundancy assignments, connector alignment, channel wiring, keying, and the approved cabinet position.
Which details are needed to source Honeywell 8C-TAOX61 51306981-175?
Provide the complete part number, paired IOM labels, loop information, clear photographs, quantity, destination, and delivery target.

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