Overview
Manuals
Field Receiver Load
Transfer Diagnostics
Output Cable Routing
Features:
- Terminates eight analog output circuits for the PAOX03 architecture.
- Supports the specified redundant size-B termination arrangement.
- Coated MC construction with compression field terminals.
For the MC-TAOX12 51304335-125 catalog record, Honeywell family documentation establishes the TAOX12 base function as an eight-circuit analog output termination for PAOX03 processors. The MC ordering designation identifies coated construction, while the complete numeric assembly suffix must still be matched to the offered unit. The board uses compression field terminals and the size-B layout for redundancy. It should not be selected as a sixteen-output TAOY termination or as an independent analog signal source.
The PAOX03/TAOX12 specification provides a normal 4-20 mA signal and a directly accessible range of 0.1-21.4 mA. Its 26 mA maximum current is a limit, not a substitute for the normal operating range, and the maximum resistive load is 750 ohms at 22 mA. Output settling is specified at four milliseconds to 98% of the final value. Include receiver and wiring resistance in the loop assessment, and preserve the redundant processor cables and full assembly identification during replacement.
The MC-TAOX12 51304335-125 Honeywell Coated Redundant Analog Output Termination may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Honeywell MC-TAOX12 51304335-125 official technical documentation and product links.
This multi-page Honeywell technical document contains the exact model and its technical data. Apply the values to the supplied type number and verify its revision before installation.
The processor/FTA combination supports a 750-ohm maximum resistive load at 22 mA. Include the field receiver and wiring resistance in the check, and use the configured operating range rather than the 26 mA maximum current figure as the normal control demand. Confirm the receiving device limits separately.
The redundant termination switching hardware is checked once per minute in the documented arrangement. This diagnostic interval is not the analog output update rate. Confirm the installed processor pair and assess the published swap and failover perturbation limits against the process requirements before returning a replaced board to operation.
Trace the two processor-side paths and all eight field output circuits before removal. Preserve cable identification, polarity and the approved shielding arrangement. Similar TAOX designations do not establish that every assembly suffix or connector option is interchangeable, so compare the complete board label and existing terminal positions.
