4 Channel Optocoupler Isolator Module With Level Voltage Converter For PLC Signals PNP NPN To NPN 3.3V To 12V Plug And Play Ready Anti Connection Protection And High Bright LED Indicator 20KHz Limit

4-Channel Optocoupler Isolator for PLC Signal Level
✔️ 4-channel optocoupler isolator with 20 kHz limit and 3.3-24V

This 4-channel optocoupler isolator module provides signal isolation and level conversion between microcontrollers and PLCs. It handles PNP/NPN inputs and outputs, supports 3.3 V to 24 V ranges, and includes anti-connection protection with a bright LED indicator. Pack size: 1 piece.

✅ 4-channel optocoupler isolator module
✅ Level voltage converter 3.3-24V with multiple mappings
✅ PNP/NPN input to NPN output compatibility
✅ Anti-connection protection on the power supply
✅ 20 kHz limit frequency
✅ Size 45x72x18 mm; mounting holes 40x37 mm
✅ LED status indicator

💡 What is an optocoupler isolator module used for in PLC signal interfaces?

This handy device keeps low-voltage logic safe and bridges voltage levels between controllers and PLCs.

- Provides galvanic isolation between control logic and driven devices - Enables safe level shifting across 3.3V, 5V, 12V, and 24V systems - Helps protect controllers from noise and voltage spikes - Simplifies wiring between microcontrollers and PLCs