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- PM564-R-AC 1TNE968900R1220
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- 74 × 135 × 82 mm
- 0.23 kg
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Product Overview
The ABB PM564-R-AC (1TNE968900R1220) is a CPU Processor Module for the ABB AC500-eCo PLC platform. It is an AC-powered compact controller that integrates the CPU, onboard I/O, and communication interfaces into a single industrial automation unit.
This model is designed for small to medium industrial control applications, offering reliable real-time processing, flexible I/O handling, and stable operation in harsh industrial environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | ABB |
| Model | PM564-R-AC |
| Part Number | 1TNE968900R1220 |
| Product Type | CPU Processor Module |
| System Compatibility | ABB AC500 / AC500-eCo PLC |
| Function | PLC CPU with integrated control and I/O handling |
| Processor Type | Industrial 32-bit PLC CPU |
| Program Memory | 128 kB |
| Data Memory | 10 kB |
| Digital Inputs | 6 × 24 V DC |
| Digital Outputs | 6 × relay outputs |
| Analog Inputs | 2 |
| Analog Outputs | 1 |
| Communication Interfaces | RS485 (serial communication) |
| Expansion Capability | Supports AC500 I/O expansion modules |
| Power Supply | 100–240 V AC |
| Programming Standard | IEC 61131-3 |
| Diagnostics | LED status indicators (RUN, ERR, I/O status) |
| Installation Type | DIN rail mounting |
| Dimensions | 74 × 135 × 82 mm |
| Weight | 0.23 kg |
Function and Working Principle
The PM564-R-AC operates as a standalone PLC controller.
Its main functions include:
- Executing user-defined PLC programs in real time
- Reading digital and analog input signals
- Driving relay outputs for industrial load switching
- Managing machine sequencing and automation logic
- Handling RS485 communication (e.g., Modbus RTU)
- Coordinating expansion I/O modules
- Performing continuous diagnostics and fault monitoring
Scan Cycle Operation
The controller works in a deterministic cycle:
Input Scan → Program Execution → Output Update → Communication Handling
This ensures stable and predictable industrial control behavior.
Role in Industrial Control Systems
Within ABB AC500 systems, the PM564-R-AC functions as:
- A central CPU for compact automation systems
- A controller for machine-level and process automation
- A node for industrial communication networks
- A coordinator for distributed I/O expansion
- A diagnostic unit for system monitoring and fault detection
Industrial Applications
The PM564-R-AC is widely used in:
- Factory automation systems
- Packaging machinery
- Conveyor systems
- HVAC control systems
- Water and wastewater treatment plants
- Food and beverage production lines
- Industrial OEM machines
- General process control applications
Installation and System Integration
- Mount on DIN rail inside control cabinet
- Connect 100–240 V AC power supply
- Wire field devices to digital and analog terminals
- Use relay outputs for direct load switching
- Configure PLC logic using ABB AC500 software tools
- Connect RS485 communication (e.g., Modbus RTU)
- Expand system using AC500 I/O modules if required
Compatible System Components
- ABB AC500 digital I/O modules
- ABB AC500 analog I/O modules
- ABB AC500 communication modules
- HMI operator panels
- SCADA systems
- Industrial sensors and actuators
- Modbus RTU field devices
- Relay and contactor systems
Recommended Alternative Models
| Model | Product Type | Key Feature | Application |
|---|---|---|---|
| PM564-R-AC | CPU Module | AC-powered relay output PLC | Compact automation systems |
| PM564-R | CPU Module | DC-powered version | Flexible industrial control |
| PM564-T-ETH | CPU Module | Ethernet communication | Networked automation |
| PM556-TP-ETH | CPU Module | Higher performance PLC | Complex control systems |
Key Advantages
- AC-powered compact PLC design
- Integrated I/O reduces wiring complexity
- Reliable relay outputs for direct switching
- Stable real-time deterministic control
- Supports IEC 61131-3 programming standard
- RS485 industrial communication support
- Easy DIN rail installation
- Suitable for continuous industrial operation
Technical FAQs
Q1: What is the main function of PM564-R-AC?
It executes PLC control programs and manages integrated I/O and communication.
Q2: What type of power supply does it use?
It operates on 100–240 V AC power.
Q3: Does it include onboard I/O?
Yes, it includes 6 digital inputs, 6 relay outputs, 2 analog inputs, and 1 analog output.
Q4: What communication interface is available?
It supports RS485 serial communication (e.g., Modbus RTU).
Conclusion
The ABB PM564-R-AC (1TNE968900R1220) is a compact AC-powered PLC CPU module designed for the AC500-eCo platform. With integrated I/O, relay outputs, and reliable real-time processing, it is well suited for industrial machine automation, process control, and general-purpose control systems.