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10.6
Channel alarm
Each channel has the capability to generate an alarm. An alarm situation is
detected with a basic dual level detector.
There are two alarm modes:
l
Basic single
-
level alarm. The alarm line is active for as long as the signal
exceeds the level in the specified direction. For more information on the
level comparator, please refer to "Basic trigger mode" on page 138.
l
Dual
-
level alarm. The alarm line is active for as long as the signal exceeds
one of the two levels in the specified direction. For more information on the
level comparators, please refer to "Dual trigger mode" on page 139.
The output of the alarm detector is sent to an alarm line and combined (OR
-
ed)
with alarm conditions of the other channels and recorders. The result is
available as an external output located on the mainframe controller.
GEN3t
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I3995-3.1 en HBM: public
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