PM554-TP-ETH controller overview for compact PLC and Ethernet applications
PM554-TP-ETH is an ABB AC500-eCo compact PLC CPU with integrated Ethernet and 24 V DC supply. ABB's AC500-eCo data lists eight digital inputs and six transistor outputs for this type. The CPU and integrated I/O make PM554-TP-ETH a compact controller option, but the project must still verify scan time, memory, expansion modules and supported communication services.
Key technical data
| Technical item | Verified value / selection note |
|---|---|
| CPU type | PM554-TP-ETH |
| Platform | ABB AC500-eCo |
| Integrated digital inputs | 8 DI family configuration |
| Integrated digital outputs | 6 transistor DO family configuration |
| Supply | 24 V DC |
| Communications | Ethernet plus serial functions depend on CPU and firmware configuration |
| Engineering | Confirm Automation Builder version, program capacity and I/O expansion |
Identification note: PM554-TP-ETH. The figures above are selection references; verify the actual label, duty rating, approvals, firmware and options for the exact unit before purchase or engineering release.
Compare the complete code, rating, terminal arrangement, firmware and accessories for PM554-TP-ETH.
Related model references
The following model references belong to the same identifiable family as PM554-TP-ETH; they are configuration alternatives, not automatic substitutes. Compare each complete designation and application before selecting.
No additional same-family designations were selected for the PM554-TP-ETH representative page.
For the PM554-TP-ETH record, retain the full type string and do not infer range, rating or compatibility from a shortened family code.
Configuration boundary
Review the required I/O count, transistor-output load and isolation needs, network topology and any serial communication tasks before selecting PM554-TP-ETH. Confirm Automation Builder compatibility, the CPU revision, firmware, memory and expansion limits. Validate that the application does not exceed the output current or switching capability specified for the exact hardware.
PM554-TP-ETH suits small machine or utility-control tasks where local digital I/O and Ethernet communication are sufficient. The application design should map each input and output to its field voltage, common wiring, load type and safe state. PM554-TP-ETH is not a substitute for a safety PLC unless a separate, appropriately certified safety architecture is provided.
Safe return to service
Mount PM554-TP-ETH with the manufacturer's specified clearances and 24 V DC supply protection. Separate noisy switching conductors from communication and analog wiring, label terminals and verify grounding. Commission each PM554-TP-ETH input/output point against the PLC program, then test Ethernet addressing, diagnostics, restart behavior and the machine's defined safe state.
Keep the verified order information for PM554-TP-ETH with the panel drawing, commissioning record and maintenance history.
