Alpha Moisture Systems dewTEC DS2000 - 3.5 Hysterisis Operation; 3.6 Resetting a latched Alarm

3.5 Hysterisis Operation
Operation of the hysterisis depends on whether the alarm is set to trip on high or low. The
diagram below shows how the hysterisis functions in each mode.
Alarm value
Alarm active
Alarm inactive
PROCESS
HIGH
ALARM
Alarm Hysterisis
Alarm inactive
Alarm value
Alarm active
Alarm inactive
PROCESS
LOW
ALARM
Alarm Hysterisis
Alarm inactive
Dewpoint
3.6 Resetting a latched Alarm
If Alarm 1 is configured to be a latching alarm relay when it is active, it can be reset as
follows:
1 Ensure Dewpoint is displayed
2 Press reset key (R)
Note, the latched alarm cannot be reset whilst the alarm condition persists.
dewTEC DS2000 User’s Manual Page 12