LK3U-20MR-4AD-2DA PLC Controller – 12 Inputs, 8Outputs, RS485, RTC
The LK3U-20MR-4AD-2DA is a compact, high-performance Programmable Logic Controller (PLC) designed for industrial and process automation. This unit provides an optimal mix of digital and analog I/O capabilities, enabling efficient control of complex systems while ensuring reliability and precision.
Key Features
- Digital Inputs/Outputs:
- 12 digital input channels (24V DC).
- 8 relay output channels for direct control of external devices.
- Analog Inputs/Outputs:
- 4 analog inputs (0-10V or 4-20mA) for sensor integration.
- 2 analog outputs for precise device control.
- High-Speed I/O: 2 pulse inputs for high-speed counters or encoders.
- Communication: Built-in RS-485 port for connectivity with HMIs and SCADA systems.
- Real-Time Clock: Integrated RTC for scheduling and event tracking.
- Programming Capacity: Supports up to 32,000 steps, accommodating complex logic
Technical Specifications
| Parameter | Specification |
|---|---|
| Digital Inputs | 12 |
| Digital Outputs | 8 (Relay) |
| Analog Inputs | 4 |
| Analog Outputs | 2 |
| Communication Ports | RS-485 (Optional RS-232 on specific models) |
| High-Speed I/O | 2 pulse inputs |
| Memory Capacity | 32,000 steps |
| Power Supply | 24V DC |
| Dimensions | 117mm x 108mm x 65mm |
| Mounting | DIN-rail mountable |
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