24V 1 Channel 1-Bit Optocoupler Isolation Module Relay Driver Board for PLC Control Device

1, the input signal compatible with NPN and PNP

2, the signal input voltage 3.3V / 5V / 12V / 24V optional to facilitate the control of different signal generating equipment.

3, the input optical isolation module, the effective protection of control-side security; at the same time with the working status indicator.

4, Wiring: VCC and GND for the module power supply port, according to the prompt voltage wiring. 1 +, 1-connected control signal; the output of the controlled electrical device is an open drain output, labeled as O1.