Vaisala HUMICAP MMT330 Guide de l'utilisateur Page 79

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Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 77
Table 13 ALSEL Parameters
Name
Description
above
If specified, the alarm goes off when the quantity value rises above
the exact value of this setpoint. However, if above < below, the
alarm goes off at (above + hyst) and (below hyst) instead.
Cannot be set for fault and online alarms.
below
If specified, the alarm goes off when the quantity value decreases
below the exact value of this setpoint. However, if above < below,
the alarm goes off at (above + hyst) and (below hyst) instead.
Cannot be set for fault and online alarms.
hyst
Distance from setpoint amount of extra retractment needed in order
to regenerate alarm on the next crossing of the setpoint.
Cannot be set for fault and online alarms.
enabl
Enable (ON) or disable (OFF) the display alarm.
Example (set aw and T as display alarm quantities and configure the
alarms as prompted):
>alsel aw t
Al1 aw above: 0.50 ? 0.6
Al1 aw below: - ?
Al1 aw hyst : 0.10 ?
Al1 aw enabl: ON ?
Al2 T above: - 'C ?
Al2 T below: - 'C ? 0
Al2 T hyst : 0.00 'C ? 1
Al2 T enabl: OFF ? ON
>
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