4 Channel Optocoupler Photoelectric Isolator Module Level Voltage Converter For PLC Signals PNP NPN To NPN 12V To 3.3V Plug And Play Ready With Anti Connection Protection And 20KHz Max Frequency
This 4-channel optocoupler photoelectric isolator module provides signal isolation and level shifting between microcontrollers and PLCs. It supports NPN and PNP input configurations with an NPN output, enabling safe voltage translation from 3.3V/5V up to higher levels such as 12V or 24V as needed. LED indicators help monitor channel activity and health.
✅ Input: NPN/PNP compatible (NPN output)
✅ Output: NPN signaling for PLC compatibility
✅ Voltage translation: 3.3V/5V to 12V/24V
✅ Max frequency: 20 kHz for clean digital signals
✅ Anti-connection protection on power supply
✅ Module size: 45x72x18 mm (LxWxH); mounting holes 40x37 mm
✅ Pack: 1 piece
💡 What is a 4-channel optocoupler isolation module used for in PLC and microcontroller projects? This handy device protects sensitive electronics while enabling safe level shifting across different voltage domains. - Signal isolation between controllers and sensors - Voltage level translation from 3.3/5V up to 12/24V - Protects inputs from transients and wiring faults - Supports PNPN input and NPN output configurations