Hi,
Are the 16 digital inputs on the KC868-A16 board optoisolated (ver. 1 , green PCB) ? For example, can I short GND and DI1 using an Arduino with 5V? Do I need to use an optoisolator or possibly a relay between Arduino and KC?
Are the 16 digital inputs on the KC868-A16 board optoisolated (ver. 1 , green PCB) ? For example, can I short GND and DI1 using an Arduino with 5V? Do I need to use an optoisolator or possibly a relay between Arduino and KC?