
Product Overview
The ABB PM5052-R-ETH (Part Number: 1SAP124100R0072) is a high-performance Processor Module from the ABB AC500-eCo PLC series. It integrates a powerful CPU, onboard digital I/O, and an Industrial Ethernet interface into a compact controller designed for advanced machine automation and industrial process control.
The module provides fast real-time processing, supports local and expansion I/O, and enables seamless communication with HMIs, SCADA systems, and industrial networks, making it ideal for complex automation applications.
Technical Specifications
| Parameter |
Specification |
| Manufacturer |
ABB |
| Model |
PM5052-R-ETH |
| Part Number |
1SAP124100R0072 |
| Product Type |
Processor Module |
| PLC Series |
AC500-eCo |
| Program Memory |
4 MB |
| RAM |
7032 kB |
| Digital Inputs |
12 × 24 V DC |
| Digital Outputs |
6 × Relay Outputs |
| Configurable I/O |
2 × 24 V DC Configurable I/O |
| Communication Interface |
1 × Industrial Ethernet |
| Expansion Slots |
3 Option Slots |
| Supply Voltage |
20.4–28.8 V DC |
| Protection Rating |
IP20 |
| Mounting Method |
DIN Rail |
| Dimensions |
135 × 74 × 82 mm |
| Weight |
0.273 kg |
Function and Working Principle
The PM5052-R-ETH serves as the central processing unit of the ABB AC500-eCo PLC system. It continuously scans digital input signals, executes user-defined PLC programs, and updates relay outputs according to programmed control logic.
Its integrated Ethernet interface enables communication with engineering software, HMIs, SCADA platforms, and industrial Ethernet networks. Expansion slots allow additional communication or application modules to be installed for increased system flexibility.
Operating Sequence
- Digital input devices send signals to the processor.
- The CPU scans and processes input data.
- PLC logic is executed in real time.
- Relay outputs and configurable I/O are updated.
- System data is exchanged with supervisory systems through the Ethernet interface.
Key Features
- High-performance embedded processor
- 4 MB program memory
- 7032 kB RAM
- 12 integrated digital inputs
- 6 relay outputs
- 2 configurable digital I/O channels
- Built-in Industrial Ethernet interface
- Three expansion option slots
- Compact DIN rail installation
- Reliable real-time PLC operation
System Role
The PM5052-R-ETH functions as the central controller within an ABB AC500-eCo automation system, integrating program execution, communication, and local I/O into one compact module.
Typical System Architecture
Sensors → PM5052-R-ETH Processor Module → Ethernet Network → HMI / SCADA → Actuators
Industrial Applications
The PM5052-R-ETH is widely used in:
- Factory automation
- Machine control
- Packaging machinery
- Conveyor systems
- Material handling equipment
- Building automation
- Water and wastewater treatment
- Food and beverage processing
- General manufacturing automation
Installation Guidelines
- Mount the processor on a standard DIN rail.
- Supply the module with a regulated 24 V DC power source.
- Connect field devices according to the wiring diagram.
- Connect the Ethernet interface for programming and industrial communication.
- Install optional expansion modules if additional functionality is required.
- Verify all system parameters before commissioning.
Compatible Components
The PM5052-R-ETH is compatible with:
- ABB AC500-eCo Expansion I/O Modules
- ABB Communication Modules
- ABB Human Machine Interfaces (HMI)
- SCADA Systems
- Industrial Ethernet Switches
- ABB Automation Builder Software
- Remote I/O Devices
Alternative Models
| Model |
Description |
| PM5012-T-ETH |
Processor Module |
| PM5012-R-ETH |
Processor Module with Relay Outputs |
| PM5032-T-ETH |
Processor Module |
| PM5032-R-ETH |
Processor Module |
| PM5052-MC-KIT |
Motion Controller Kit |
Advantages
- High-speed real-time processing
- Integrated Industrial Ethernet communication
- Large memory capacity
- Built-in digital inputs and relay outputs
- Three expansion slots for flexible system growth
- Compact DIN rail installation
- Reliable industrial-grade performance
- Easy programming and maintenance
Frequently Asked Questions
What is the PM5052-R-ETH used for?
It is used as the central Processor Module in ABB AC500-eCo PLC systems, executing automation programs and managing industrial control processes.
How much program memory does it provide?
The processor includes 4 MB of program memory.
What onboard I/O does it include?
It provides 12 digital inputs, 6 relay outputs, and 2 configurable 24 V DC I/O channels.
Does it support Ethernet communication?
Yes. It features an integrated Industrial Ethernet interface for communication with HMIs, SCADA systems, and engineering software.
Can the processor be expanded?
Yes. The module includes three option slots for additional communication and application expansion modules.
Conclusion
The ABB PM5052-R-ETH (1SAP124100R0072) Processor Module is a powerful controller designed for the AC500-eCo PLC platform. Featuring 4 MB program memory, 7032 kB RAM, 12 digital inputs, 6 relay outputs, 2 configurable I/O channels, integrated Industrial Ethernet, and three expansion slots, it delivers reliable real-time control and flexible system integration for demanding industrial automation applications.