====== QKI-ICA100: Isolated Input (Common Anode) Kard for KardIO Slot ====== The Isolated Input Kard has four optically isolated inputs biased to so that they can be powered from 3-25V. The Kard is available in two version, common -VRAIL (active high input) or common +VRAIL (active low input). {{:products:isokard.png?direct|}} (common cathode part shown) [[quick:start#kards_tm_for_kardio|Back to Kard List]]