16DI DC24V Expansion I/O Module — Compatible with K522-08DT / K522-16DT / K521-08DX / K521-16DX / K522-08XR / K522-16XR

Expansion I/O Module with 16DI digital input channels and DC24V input level. Built for compatibility with K522-08DT, K522-16DT, K521-08DX, K521-16DX, K522-08XR and K522-16XR, this unit expands the digital input capacity of the listed controllers. A direct option for adding additional 24V DC inputs to your automation system and for replacing or extending the I/O of the specified models.