FX3U-20MT / LK3U-20MT-4AD-2DA PLC

LK3U-20MT-4AD-2DA PLC Controller – 12 Inputs, 8 Outputs, RS485, RTC

The LK3U-20MT-4AD-2DA is a compact and efficient PLC controller with 12 digital input channels and 8 output channels, making it ideal for industrial automation applications. Available in with the transistor outputs.This PLC features RS485 communication, RTC, high-speed I/O, analog input/output, and optional weighing functions.

Key Features:

• 12 Inputs & 8 Outputs – DC24V NPN inputs,transistor outputs
• High-Speed I/O – 2 high-speed inputs (60kHz), 4 high-speed outputs (200kHz)
• Analog Inputs & Outputs – 4 channels (0-10V, optional 0-20mA, NTC10K, NTC50K, PT100), 2 analog outputs (0-10V/0-20mA)
• Flexible Communication – RS232, 2×RS485, MODBUS RTU support
• Optional Ethernet Port – Supports MODBUS TCP/UDP, MELSOFT, SNTP
• Weighing Module (Optional) – 24-bit precision, 5V sensor, ±20mV range
• Compact & Versatile – Ideal for small-scale industrial automation systems

Technical Specifications:

• Model Variants:
  • LK3U-20MT4AD-2DA
• Transistor Output Load (MT Model): DC24V <0.5A (NPN output)
• Communication Ports: RS232, 2×RS485
• Analog Input Type: 0-10V, 0-20mA, PT100, NTC10K, NTC50K
• Analog Output Type: 0-10V, 0-20mA
• Optional Functions:
  • Weighing Module – 24-bit precision, 5V sensor, ±20mV range, 10Hz refresh rate
  • CAN Expansion & PLC Connection
  • Ethernet Port – Supports MODBUS TCP (UDP), MELSOFT, SNTP

This LK3U-20MT PLC controller is an ideal automation solution for precision control, weighing applications, and small-scale industrial systems.