Advantech WISE-4671 User Manual page 47

value. The counter can be reset (the value in the register will be initialized to the
startup value, which is zero by default) by clicking Reset. The predefined startup
value will be the value shown in the Counter value box. When this value is
reset, either by pressing Reset on the Status page or by issuing a command, it
will return to the startup value, which is zero by default.
If Keep Last Value is enabled, the last counter value will be kept in the register
when the module is powered off. When the module is powered on, the counter
will continue to count from that value. When this function is disabled, powering
off the module will cause the counter to be reset and the count value in the reg-
ister to be reset to zero.
Low-to-High Latch: Under low-to-high latch mode, once a digital input channel

detects that the logic level has changed from low to high, the logic status will
remain as "logic high" until the latch is cleared manually, which will return the
logic status to "logic low." The logic status is viewable on the latch status LED
display on the DI Status page. Clear the latch by clicking Clear on this page.
High-to-Low Latch: Under high-to-low latch mode, once a digital input channel

detects that the logic level has changed from high to low, the logic status will
remain as "logic low" the latch is cleared manually, which will return the logic
status to "logic high". The logic status is viewable on the latch status LED dis-
play on the DI Status page. Clear the latch by clicking Clear on this page.
37 WISE-4671 User Manual