Description: This is an 8-channel one-way transmission digital signal converter. It can convert a PNP signal to NPN. Support max conversion frequency 20KHz Package List: 1 x Optocoupler Isolation Board Note: After the module is powered up, do not touch any part of the white wire frame on the board as it is high voltage. Pay attention to electrical safety. Output TTL Level: MCU can be used for testing, the voltage is 3-5V. DIY Electronics Module Optocoupler Isolation Board 8 Channel PLC Voltage Detection Module 220V AC For DIY DIY Electronics Safety Module Volt Detection: Used to detect whether there is 220V AC power supply, also can use MCU for testing and the working voltage is 3-5V. Output Level Good Material-- Adopting high quality PCB material, not easy to malfunction, very for long term use. Specification: Item Type: Optocoupler Isolation Board Material: PCB Function: Test whether AC 220V exists. 8-Channel Optocoupler Isolation Module PLC Signal Level Voltage Converter 24v To 5v Conversion Plate When the 220V is powered off, it outputs a high level.
