X20DI6372
The X20DI6372 from B & R Automation has a nominal 24 VDC supply and typical input resistance of 6.4 kΩ. Part of the X20 Fieldbus Input Output Modules, it supports six digital inputs with 1- or 2-wire connections. This module features run/error diagnostics via status LEDs and software and is rated IP20.
A software input filter defaults to 1 ms and is configurable up to 25 ms, while hardware filter delay is ≤100 μs. Channel-to-bus isolation voltage is 500 VEff. Power consumption is 0.15 W on the bus and 0.88 W internally.