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Honeywell's June 2018 PROFIBUS Gateway Module guide identifies CC-TPOX01 as the PGM Input/Output Terminal Assembly. It provides the IOTA board used by the gateway module, including PROFIBUS 1 and PROFIBUS 2 DB9 connections, FTE ports, power connections, device-index switches and module mounting. The additional website number 51306528-175 is not mapped in the reviewed guide and requires exact label or OEM order-record confirmation.
Honeywell describes the PROFIBUS Gateway Module as a Series C form-factor FTE-resident interface used with the C300 Controller to communicate with PROFIBUS slave devices. The PGM assembly consists of an IOTA board and a gateway module mounted on it. The IOTA description identifies separate PROFIBUS 1 and PROFIBUS 2 connectors, FTE A and FTE B network ports, power input, device-index switches, module connectors, a fuse and status LEDs. Honeywell's exact LED section names CC-TPOX01 as the PGM IOTA and describes different indications for primary and secondary gateway operation.
The website record combines CC-TPOX01 with 51306528-175, but the reviewed Honeywell guide does not map that numeric identifier to the IOTA. The page therefore preserves the complete website title while restricting technical claims to the verified base model. Before supply, inspect the physical assembly label and connector population, compare the installed PGM and cabinet documentation, record the current device-index value and obtain a traceable Honeywell order record or exact parts table confirming the suffix. Do not use nearby gateway, IOTA or reseller specifications as proof of voltage, current, environmental ratings or interchangeability.
Honeywell's exact guide identifies CC-TPOX01 as the PROFIBUS Gateway Module IOTA. The documented assembly provides mounting and physical connections for the PGM module, two PROFIBUS network connectors, FTE links, power and the device-index setting. These base-model facts do not establish every specification sometimes attached to the numeric suffix by reseller pages.
The guide documents two DB9-F PROFIBUS connectors and separate FTE A and FTE B ports. It also explains LEDs adjacent to the PROFIBUS connectors for primary and secondary gateway states. Record every installed connector, cable, module position and device-index value before replacement, then verify network synchronization and communication after installation.
The reviewed Honeywell guide does not cross-reference 51306528-175 to CC-TPOX01. Keep the additional number visible for receiving inspection, but require a legible product label, traceable Honeywell order record or later exact manufacturer parts table before accepting the combined identity. No automatic equivalence with a nearby PGM IOTA is claimed.
Verify CC-TPOX01 on the physical IOTA and obtain exact-item evidence for 51306528-175. Record the installed PGM module, PROFIBUS 1 and PROFIBUS 2 cables, FTE A and FTE B connections, power wiring, module position and device-index switches. Confirm the receiving cabinet, C300 architecture, configured gateway block and redundancy plan match the approved design before the assembly is accepted for installation.
Follow the site's isolation, electrostatic-discharge and process-safety procedure before disturbing the gateway assembly. Preserve the device-index setting and label every PROFIBUS and FTE cable. After the verified IOTA and PGM are installed, confirm power, module recognition, primary or secondary state, partner synchronization where used, both FTE links, PROFIBUS communication and every affected device-support block. Resolve all hardware, network and configuration diagnostics before process release.