ABB PM571-ETH CPU with network interface

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ABB PM571-ETH CPU with Network Interface

1. Product Introduction

The ABB PM571-ETH is a CPU module from the AC500 PLC series, designed for industrial automation applications. It features an integrated Ethernet interface for high-speed communication, along with dual serial ports (RS232/RS485) for flexible connectivity. This module is part of ABB’s mid-range PLC lineup, offering a balance of performance and cost-effectiveness for medium-sized control systems .

2. Key Specifications

3. Key Features & Benefits

✅ Integrated Ethernet & Serial Ports – Supports Modbus TCP, CS31, and ASCII protocols for seamless integration with SCADA, HMI, and other PLCs .
✅ Flexible Expansion – Supports up to 10 modules via CS31 bus or other fieldbuses (Profibus DP, CANopen, DeviceNet) .
✅ High-Speed Processing – Optimized for real-time control with fast instruction execution .
✅ SD Card Support – Allows program backup, firmware updates, and data logging without a PC .
✅ LCD Display & Keypad – Enables local diagnostics and parameter adjustments .

4. Applications

• Factory Automation (PLC-based machine control, conveyor systems)

• Energy Management (Power distribution, grid monitoring)

• Building Automation (HVAC, lighting control)

• Process Industries (Oil & gas, water treatment)

• Transportation Systems (Railway signaling, traffic control) 

5. Compatibility & Software

• Programming Software: Control Builder Plus (PS501) (IEC 61131-3 compliant, supports FBD, LD, ST, IL, SFC) .

• Compatible with:

  • AC500 I/O modules (DI, DO, AI, AO)

  • Third-party HMIs & SCADA via Modbus TCP/RTU .

6. Precautions

 Installation: Avoid high EMI environments and ensure proper ventilation.
Redundancy: For critical applications, consider redundant power supplies.
 Firmware Updates: Check ABB’s official website for the latest firmware.
 Compatibility: Requires System 800xA 6.0.3.3 or later for full functionality .

The structure and details of the product：

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