



The ABB PM554-TP-ETH CPU Module is a compact programmable logic controller designed for efficient machine automation and distributed industrial control systems. As a member of the AC500-eCo PLC family, this module integrates processing capability, digital I/O, and Ethernet communication into a single controller, enabling reliable and scalable automation architectures.
Engineered for OEM machinery and mid-scale automation projects, the PM554-TP-ETH provides high-speed processing and stable industrial communication. With built-in Ethernet networking and RS-485 communication, it can seamlessly connect to HMIs, SCADA platforms, and other industrial devices across automation networks.
Its compact DIN-rail design, integrated digital inputs and outputs, and expandable I/O capability make it ideal for modern control cabinets where space efficiency and dependable performance are critical. The module is widely used in production equipment, water systems, infrastructure automation, and smart building control solutions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | PM554-TP-ETH |
| Module Type | PLC CPU Module |
| PLC Series | AC500-eCo |
| Power Supply | 24 V DC |
| Voltage Range | 20.4 – 28.8 V DC |
| Program Memory | 128 kB Flash |
| Data Memory | 142 kB RAM |
| Digital Inputs | 8 |
| Digital Outputs | 6 (Transistor) |
| Communication Interfaces | 1 × Industrial Ethernet, 1 × RS-485 |
| Controller Processing Time | 0.00008 ms |
| Protection Rating | IP20 |
| Mounting Method | DIN Rail |
| Operating Temperature | 0°C to 55°C |
| Dimensions (L × W × H) | 74 × 82 × 135 mm |
| Weight | 0.287 kg |
The controller integrates Ethernet networking and digital I/O channels while supporting expansion modules, enabling flexible automation system architecture.
Recommended Related Models
For building a complete ABB automation system, the following modules are often deployed alongside the PM554-TP-ETH controller:
-
ABB PM554-TP PLC CPU Module
-
ABB PM583-ETH PLC Controller
-
ABB CI801 Communication Interface Module
-
ABB CI840A Communication Interface Module
-
ABB AI830A Analog Input Module
These components provide expanded communication capability, analog signal acquisition, and distributed I/O integration.
Popular Allen Bradley Models
In many industrial environments where multi-vendor automation systems are used, the following Allen Bradley modules are commonly implemented for comparable PLC control tasks:
-
Allen Bradley 1756-L73 ControlLogix CPU Module
-
Allen Bradley 1769-L33ER CompactLogix Controller
-
Allen Bradley 1756-EN2T Ethernet Communication Module
-
Allen Bradley 1756-IB16 Digital Input Module
-
Allen Bradley 1756-OB16E Digital Output Module
These controllers are widely used in large-scale production automation systems.