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The following alarm function SUB MENUS are activated when
C t r L
is set to
S P A L
:
A L
(Alarm Type) SUB MENU
H I
- High alarm
L O
- Low alarm
H I L O
- For a high/low guardband type alarm
ALARM ADJUSTMENT
Alarm settings are dependent upon the selected alarm mode. The Digihelic
®
II Controller alarm may
be configured as a High Alarm, Low Alarm, or High/Low Alarm. Alarm settings are all absolute and may
be set to anywhere within the range of the instrument. The dead bands of the alarms are fixed at 1%
of full scale.
MIN. PRESSURE
MAX. PRESSURE
ALHI
Relay OFF Relay ON
HIGH ALARM FUNCTION
MIN. PRESSURE
MAX. PRESSURE
ALLO
Relay ON Relay OFF
LOW ALARM FUNCTION
MIN. PRESSURE
MAX. PRESSURE
ALLO
Relay ON Relay OFF Relay ON
HIGH/LOW ALARM
FUNCTION
ALHI
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