Feature: 1. Digital Inputs: Enabling 8 channel opto isolated digital input as well as 6 channel mechanically insulated digital output. 2. Analogue input: 2 channel analogue input enables DIP switch to adjust between voltage and current inputs, easy to operate. 3. Practical Uses: Suitable for metallurgy, chemical, plastic, textile, food, packaging, printing, building materials, etc. 4. Better Designs: Comes with 2 channel standard PPI communication ports, which also support PPl and free port communication. 5. Easy to Install: Designed to have a light weight and a compact size, the convenient installation can be quickly completed. Specification: Item Type: PLC Controller Material: PCB Digital Input: Number of Input Points: 8 Input Signal Type: Switch contact signal or level signal, supports positive and negative trigger insulation circuit. Input Signal Voltage: DC 20-28V Insulation Circuit: Optocoupler Isolation Digital Output: Number of Output Points: 6 Contact Capacity: 30V DC 5A, 250V AC 5A. Insulation Circuit: Mechanical Insulation Analogue Input: Number of Input Points: 2 Input Type: Voltage or current, DIP switch to switch input type. Input Range: 0~10V or 0~20ma, the PLC corresponding value range is 0~32000. Conversion Accuracy: 12 bits. Corresponding Address: AQW0. High Speed Counter: Number of Input Points: 3 channel single phase, 2 channel AB phase. Pulse Frequency: 100K per channel for single phase. Input Signal Voltage: DC 20-28V RS485: 2 channel standard PPI communication ports, supports PPl and free port communication. PPI Baud Rate: 9.6K, 19.2K, 187.5K. Free Port Baud Rate: 1.2K to 115.2K. Expansion Port: 1 channel, can expand 7pcs I/O modules. Battery Information: 1 x 3V 40mAh CR1220 button battery (delivered with built in battery). . Package List: 1 x PLC Controller Note: Pay attention to the correct operation.