xcluma pc817 8 channel optocoupler isolation board dc 36 30v P | Shop The World
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xcluma PC817 8 Channel Optocoupler Isolation Board DC 3.6-30V Driver
•1.This is an 8 channel one-way transmission digital signal converter. It can convert PNP signal to NPN. Support max conversion frequency 20KHz.
•2.When connecting the PLC input, the PLC's COM terminal is connected to the 24V power supply, the input is connected to signal outputs S1-S8 of the board, optocoupler GND is connected to the power supply negative.
•3.When the 220V voltage is normal, it output low level; when 220V is powered off, it output a high level.
