interface open from GND or input a high level electrical (logic 1), on the
contrary DI alarm status will be trigged to OFF when DI interface connect to
GND or input a low level electrical (logic 0).
OFF—Under this mode, DI alarm status will be triggered to ON when DI
interface connect to GND or input a low level electrical (logic 0), on the
contrary DI alarm status will be trigged to OFF when DI interface open from
GND or input a high level electrical (logic 1).
Counter: Event counter mode.
Available when DI under Counter mode.
Input from 0 to 65535. (0=will not trigger alarm)
It will trigger alarm when event counter reaches this figure. After triggering
alarm, DI will keep counting but not trigger alarm again.