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Table 12, Alsel parameters – Vaisala DMT340 User Manual

Page 82

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User's Guide _______________________________________________________________________

80 ___________________________________________________________________ M210704EN-G

Table 12

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 H2O and T as display alarm quantities and configure the
alarms as prompted):

>alsel h2o t
Al1 H2O above: 0.00 ppmV ? 6000
Al1 H2O below: - ?
Al1 H2O hyst : 1.00 ppmV ? 500
Al1 H2O enabl: ON ?
Al2 T above: 40.00 'C ? 30
Al2 T below: - ?
Al2 T hyst : 1.00 'C ?
Al2 T enabl: ON ?
>