The 6ES7221-1BH50-0XB0 is a digital input module.
It belongs to the SIMATIC S7-1200 G2 series.
It provides 16 digital input channels.
It reads 24 volt DC signals.
It accepts sink and source wiring.
It filters input delays from 0.2 milliseconds.
It expands the CPU with extra inputs.
It is a Siemens S7-1200 signal module.

