Eight LEDs each dedicated to the inputs and outputs signalize if a channel is high or low.
The R8 is operated with 5V. The supply voltage is also connected via screw-clamp terminals.
DIN Rail Mounting.
The relay board is suitable for DIN rail mounting. A DIN rail carrier with bracket (ZU-EW) can be ordered as accessory.
Particularly simple is the connection to the digital I/O interface USB-PIO as only a 25-pin D-Sub extension cable is needed for connecting.