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Honeywell HPM Planning maps MC-PAOX03 to CE-compliant part 51309152-175 in its conformally coated IOP table. It is an eight-point analog-output processor, not the separate field termination assembly. Verify the coated CE execution, paired FTA and full physical marking before replacement.
The manufacturer HPM Planning table separates conformally coated IOPs from non-coated MU hardware. Within its coated table 7-3, MC-PAOX03 appears as an analog-output IOP with 51309152-175 in the CE-compliant column. The non-CE coated alternative on that row is 51304672-150. The manual's general IOP listing gives the PAOX03 analog-output processor eight channels. Together these entries establish the exact site model and part-number mapping, the coating family and the CE execution. They do not certify the physical condition of an offered part or the currently installed software revision.
An HPM analog-output processor operates as part of an engineered IOP-and-FTA arrangement. The field termination assembly, cabinet wiring and configured control database must be checked independently before replacement. Do not take an analog-output voltage or current range from a different FTA or from the separate MU-PAOY22 processor and assign it to every MC-PAOX03 installation. Before an authorized change, record the original card label, slot, revision, FTA model, loop connections, scaling and baseline output states. Follow site isolation and manufacturer instructions, then verify each affected loop and diagnostic indication before restoring plant service.
Honeywell HPM Planning table 7-3 is explicitly for conformally coated IOPs. Its MC-PAOX03 row assigns 51309152-175 to the CE-compliant part-number column and 51304672-150 to non-CE. This confirms the full product identity without transferring the number from a neighboring model. Check the supplied label, coating and plant approval requirement before ordering or treating either number as a replacement.
MC-PAOX03 is an eight-point analog-output processor. It is separate from the field termination assembly that provides plant wiring connections. The source table does not give a universal terminal style or electrical load range for the processor alone. Verify the exact companion FTA and system drawings before describing loop limits or assessing a substitute. A shared PAOX03 suffix does not erase coating or compliance differences.
Document the installed processor part and revision, HPM cabinet position, paired FTA, analog channel assignments, scaling and diagnostics. Plan the exchange under authorized site procedures to prevent uncommanded field changes. After installation, check physical seating and approved configuration, then prove each affected analog output through the actual FTA and field loop. Historical catalog mapping does not replace current compatibility confirmation.
Confirm MC-PAOX03 51309152-175 on the supplied IOP. Honeywell places this part under conformally coated, CE-compliant analog-output processors; the alternate non-CE coated part is 51304672-150. Check the installed HPM cabinet, IOP slot, eight-point configuration, software release and board revision. Identify the separate field termination assembly before applying any loop voltage, current, terminal or isolation specification. The historical parts table does not demonstrate that every revision or execution is interchangeable.
Capture the original card label, configured output points, loop scaling, connected FTA, field wiring, diagnostics and current process states. Follow approved isolation, ESD and Honeywell maintenance instructions. After fitting, check module seating and restoration of the authorized configuration, then prove each affected analog-output loop against its field equipment under a controlled plant test. Do not substitute the non-coated MU version or the non-CE MC execution without documented engineering approval and procurement confirmation.