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[dharma]

Okay great. Comparing your 3 input boards - KC868-AK, KC868-AI & KC868-COLBS.

1. While AK and AI boards mention 36 and 48 dry contact inputs respectively, COLBS does not mention it, it says 16 DI and 16 AI. Is dry input DI or AI?

2. I understand that all the switches that connects with CAT 6 cable is dry contact, whereas some sensors are DI and some sensors are AI. Is this correct?

Thanks for answering all my queries patiently. It has given me a lot of clarity.

[admin]

1. dry contact signal only for DI.
2. yes, sensors are DI and some sensors are AI. dry contact sensor use CAT5 cable is enough. CAT6 is more expensive.