Module with 8 isolated digital inputs

DI8-ISO

8 digital inputs

with optical isolation

Support connection to
PNP & NPN outputs

Wet contacts support

I2C interface

Texas Instruments
TCA9534A-based module

8 LEDs

Input status LEDs

Suitable for
low-frequency signals

Up to 1 kHz

Up to 16 modules in one device

You just need to set some jumpers
A full module schematic is available
Inputs connection