ABB PM554-T Programmable Logic Controller

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ABB PM554-T Programmable Logic Controller

1. Product Description

The ABB PM554-T is a compact, high-performance PLC from ABB’s AC500-eCo series, designed for industrial automation and control applications. It features 128KB program memory, 8 digital inputs (DI), and 6 transistor outputs (DO), making it suitable for small to medium-scale automation tasks. The module supports multiple communication protocols, including Modbus RTU and CS31, and is compatible with ABB’s AC500 series I/O expansion .

2. Key Specifications

3. Key Features & Advantages

✅ High-Speed Processing

• 128KB memory supports complex logic and fast execution .

✅ Flexible Communication

• Supports Modbus RTU (Master/Slave), CS31 (Master), and free protocol modes .

✅ Compact & Modular Design

• DIN rail-mounted for easy installation in control panels .

✅ Expandable I/O

• Compatible with AC500 series expansion modules (e.g., DI562, DO561) .

✅ Industrial Durability

• Wide temperature range (-25°C to +55°C) for harsh environments .

4. Typical Applications

1. Machine Automation

   • CNC machines, packaging systems, and conveyors .

2. Process Control

   • Water treatment, HVAC, and energy management .

3. Motor Control

   • Integration with ABB drives (e.g., ACS550, ACS580) for speed regulation .

4. Smart Manufacturing

   • Small-scale Industry 4.0 applications with Modbus/CS31 connectivity .

5. Configuration & Usage Notes

⚠ Wiring & Installation

• Use shielded cables for RS-485 communication to reduce noise .

• Ensure proper grounding to avoid electrical interference .

⚠ Programming

• Configured via ABB’s PS501 software (same as AC500 series) .

• COM1 can be set to Modbus RTU (Master/Slave) or CS31 (Master) .

⚠ Maintenance

• Firmware updates recommended for optimal performance .

The structure and details of the product：

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