HI520 Events Management System 108
ALARMS
Analog Output (AO) behavior
• AO assigned to Ctrl.SetPoint – scaled value of Ctrl.SetPoint output
• AO assigned to parameter – scaled value of parameter or 22 mA, if this option is enabled
Alarm Description
Continue Logging
Stop Control
Alarm Relay & LED
Status LED
Hold Relay & LED
ALARM_HIGH_CH1_PRIMARY
ALARM_HIGH_CH2_PRIMARY
Generated during measurement
when main reading is over set
Alarm High value.
YES YES*
On
CC
SS
On
CC
ALARM_LOW_CH1_PRIMARY
ALARM_LOW_CH2_PRIMARY
Generated during measurement
when main reading is below set
Alarm Low value.
YES YES*
On
CC
SS
On
CC
ALARM_HIGH_CH1_SECONDARY
ALARM_HIGH_CH2_SECONDARY
Generated during measurement,
with temp. control set, when read
temp. value is over set temp.
alarm high value.
YES YES**
On
CC
SS
On
CC
ALARM_LOW_CH1_SECONDARY
ALARM_LOW_CH2_SECONDARY
Generated during measurement,
with temp. control set, when read
temp. value is below set temp.
alarm low value.
YES YES**
On
CC
SS
On
CC
ALARM_OVER_RANGE_CH1_PRIMARY
ALARM_OVER_RANGE_CH2_PRIMARY
Generated during measurement
when probe main reading is over
the range.
YES YES*
On
CC
SS
On
CC
ALARM_UNDER_RANGE_CH1_PRIMARY
ALARM_UNDER_RANGE_CH2_PRIMARY
Generated during measurement
cycle when probe main reading is
in under range status.
YES YES*
On
CC
SS
On
CC
ALARM_OVER_RANGE_CH1_SECONDARY
ALARM_OVER_RANGE_CH2_SECONDARY
Generated during measurement
cycle when probe temp. reading is
over the range.
YES
YES**
& ***
On
CC
SS
On
CC
ALARM_UNDER_RANGE_CH1_SECONDARY
ALARM_UNDER_RANGE_CH2_SECONDARY
Generated during measurement
cycle when probe temp. reading is
in under range status.
YES
YES**
& ***
On
CC
SS
On
CC
* Control stopped on loop that controls the primary parameter
** Control stopped on loop that controls temperature
*** Control of main parameter is enabled because temperature parameter has been replaced with a fixed value
Note for *, ** or ***: Hold Relay&LED will be activated only if corresponding parameter is configured as active control
parameter within Control Settings (SetP1 or SetP2)
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