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- PM591-2ETH 1SAP150100R0277
- CPU Programmable Logic Controller
- Sweden (SE)
- 62 × 76 × 67.5 mm
- 0.137 kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The ABB PM591-2ETH (Part Number: 1SAP150100R0277) is a high-performance CPU Programmable Logic Controller (PLC) in the ABB AC500 series. Designed for advanced industrial automation and complex machine control applications, it provides exceptional processing power, dual Ethernet connectivity, high-capacity memory, and flexible communication options for distributed control systems.
The controller features 4 MB user program memory, 5632 kB user data memory, dual Industrial Ethernet ports, configurable RS232/RS485 serial communication, an SD card slot, a FieldBusPlug (FBP) interface, and an integrated LCD display with function keys. Its compact DIN rail design allows seamless integration into demanding industrial automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | PM591-2ETH |
| Part Number | 1SAP150100R0277 |
| Product Type | CPU Programmable Logic Controller |
| PLC Series | AC500 |
| User Program Memory | 4 MB (4096 kB) |
| User Data Memory | 5632 kB |
| Communication Interfaces | 2 × Industrial Ethernet (10/100 Mbps) |
| Serial Communication | 2 × Configurable RS232 / RS485 |
| FieldBusPlug (FBP) Interface | Supported |
| Memory Expansion | SD Card Slot |
| Display | Integrated LCD Display with 8 Function Keys |
| Real-Time Clock | Integrated |
| Supply Voltage | 20.4–28.8 V DC |
| Rated Voltage | 24 V DC |
| Protection Rating | IP20 |
| Mounting Method | DIN Rail |
| Dimensions | 62 × 76 × 67.5 mm |
| Weight | 0.137 kg |
Function and Working Principle
The PM591-2ETH operates as the central controller of an ABB AC500 automation system. It continuously scans input signals from sensors and field devices, executes the PLC application program, processes control algorithms, and updates output devices with high-speed response.
Its dual Industrial Ethernet interfaces provide flexible network communication with HMIs, SCADA systems, engineering workstations, and remote controllers. The configurable RS232/RS485 serial ports support communication with drives, instruments, barcode readers, and other intelligent devices. The integrated SD card slot allows program storage, firmware updates, and system backup, while the FieldBusPlug interface enables expansion to additional industrial communication networks.
Operating Sequence
- Field devices transmit input signals to the PLC.
- The CPU scans and processes the received data.
- The application program executes the required control logic.
- Output commands are transmitted to connected equipment.
- Communication data is exchanged through Ethernet and serial interfaces.
Key Features
- High-performance AC500 PLC CPU
- 4 MB user program memory
- 5632 kB user data memory
- Dual Industrial Ethernet interfaces
- Dual configurable RS232 / RS485 communication ports
- Integrated SD card slot
- FieldBusPlug (FBP) communication support
- LCD display with 8 function keys
- Integrated real-time clock
- Compact DIN rail installation
System Role
The PM591-2ETH functions as the central processing unit of an ABB AC500 automation system, managing PLC execution, industrial networking, distributed I/O control, and process data communication.
Typical System Architecture
Sensors → PM591-2ETH CPU PLC → Industrial Ethernet / Serial Network → HMI / SCADA → Actuators
Industrial Applications
The PM591-2ETH is suitable for:
- Factory automation
- Machine control
- Process automation
- Packaging machinery
- Material handling systems
- Water and wastewater treatment
- Energy management
- Building automation
- OEM equipment
- Distributed industrial control systems
Installation Guidelines
- Mount the controller securely on a DIN rail.
- Connect a regulated 24 V DC power supply.
- Wire field devices according to the control system design.
- Configure Ethernet and serial communication parameters.
- Install the PLC application using ABB programming software.
- Verify communication and I/O operation before commissioning.
Compatible Components
The PM591-2ETH is compatible with:
- ABB AC500 I/O Modules
- ABB Communication Modules
- ABB FieldBusPlug (FBP) Modules
- ABB Human Machine Interface (HMI) Panels
- SCADA Systems
- Industrial Ethernet Switches
- RS232 / RS485 Serial Devices
- ABB Automation Builder Software
Alternative Models
| Model | Description |
|---|---|
| PM590-ETH | Controller |
| PM590-ARCNET | CPU Processor Unit |
| PM585-ETH | CPU Programmable Logic Controller |
| PM583-ETH | CPU Programmable Logic Controller |
| PM581-ETH | CPU Programmable Logic Controller |
Advantages
- Powerful 4 MB program memory
- Large 5632 kB user data memory
- Dual Ethernet ports for flexible networking
- High-speed PLC processing
- Configurable RS232/RS485 communication
- Expandable through FieldBusPlug modules
- SD card support for storage and backup
- Integrated LCD diagnostics
- Compact and reliable industrial design
Frequently Asked Questions
What is the PM591-2ETH used for?
It is used as a CPU Programmable Logic Controller for advanced industrial automation, machine control, and distributed process control systems.
How much memory does the controller provide?
The controller includes 4 MB user program memory and 5632 kB user data memory.
Which communication interfaces are available?
It provides two Industrial Ethernet interfaces, two configurable RS232/RS485 serial ports, and supports FieldBusPlug (FBP) communication expansion.
Does it support memory expansion?
Yes. The integrated SD card slot supports application storage, firmware upgrades, and data backup.
How is the controller installed?
The PM591-2ETH is designed for DIN rail mounting and operates from a 24 V DC power supply.
Conclusion
The ABB PM591-2ETH (1SAP150100R0277) CPU Programmable Logic Controller is a powerful member of the ABB AC500 PLC family. Featuring 4 MB user program memory, 5632 kB user data memory, dual Industrial Ethernet interfaces, configurable RS232/RS485 communication, FieldBusPlug expansion, an SD card slot, and an integrated LCD display, it provides outstanding performance, flexible networking, and reliable operation for demanding industrial automation and process control applications.