4 channels Optocoupler Isolator Photoelectric Isolation Module PLC IO Signal Converter Board, NPN/ PNP, 2KHz Polarity Conversion

8 channels Optocoupler Isolator Photoelectric Isolation Module PLC IO Signal Converter Board, NPN/ PNP, 2KHz Polarity Conversion

16 channels NPN PNP Signal Isolation Conversion Board 2KHz for PLC Sensor Polarity Conversion Module IO Level

4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 24V

4-32 Channel PLC Signal Input NPN PNP Output Optocoupler Photoelectric Isolation Module Level Voltage Conversion Board

4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor control voltage 12V

4-32 Channel PLC Signal Input NPN PNP Output Optocoupler Photoelectric Isolation Module Level Voltage Conversion Board

4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 5V

4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor trigger voltage 5V

4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 12V

4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 24V

4-32 Channels IO Card PLC Signal Amplifier Board PNP NPN Conversion Input Optocoupler Isolation Transistor tigger voltage 3.3V

4-32 Channel PLC Signal Input NPN PNP Output Optocoupler Photoelectric Isolation Module Level Voltage Conversion Board

4-32 Channel PLC Signal Input NPN PNP Output Optocoupler Photoelectric Isolation Module Level Voltage Conversion Board

4-way PNP to NPN PLC polarity conversion module sensor isolation level conversion IO board

4 channels / HIGH SPEED NPN to PNP / photoelectric isolation / PLC high speed pulse conversion board / driver signal conversion

3.3V IO Card Single Chip Microcomputer PLC DC Amplification Board PNP/NPN Conversion Input Optocoupler Isolation Transistor

4-channel NPN to PNP Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

4 8 16 Channel NPN to PNP Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

4-way high-speed photoelectric isolation conversion module IO board level conversion NPN to PNP polarity mutual conversion

Custom 16-channel NPN to PNP Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

8-Bit Photoelectric Optocoupler Isolation Module Level Voltage Conversion Board PLC Pulse Signal Compatible NPN/PNP to NPN

P-N 16CH Optocoupler Isolation Board PNP to NPN PLC Sensor Signal Polarity Conversion Module Rail Installation

4 channels / HIGH SPEED NPN to PNP / photoelectric isolation / PLC high speed pulse conversion board / driver signal conversion

4-channel PNP to NPN Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

16-channel Signal Isolation Conversion Module PNP to NPN PLC Sensor Polarity Conversion Module IO Level

8-way optocoupler isolation board / PNP to NPN / PLC signal conversion board / photoelectric isolation protection

16 channel NPN to PNP module signal isolation conversion module PLC sensor polarity conversion IO level

8-channel NPN to PNP Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

8-channel PNP to NPN Module Signal Isolation Conversion Module PLC Sensor Polarity Conversion IO Level

16 Channel Signal Isolation Conversion Module PNP to NPN PLC Sensor Polarity Conversion Module IO Level

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