10.2.1.1.5.3 Trigger
The following two type of triggers are differentiated:
l
Event trigger (RI, XM)
The relevant operation (e.g. initiate transmission) is only executed once when the trigger event occurs.
l
Level trigger (ON, RA, OS, O3, OD, QX)
The relevant operation (e.g. activate online mode) is executed as long as the trigger is active.
Event trigger RI
Execute recording immediately
XM
Initiate transmission
Threshold Levels for initiating the trigger. The hysteresis is used to determine the level to
reset the trigger.
Greater or
equal
The trigger is initiated, if the measurement value meets or
exceeds this value.
Less or equal
The trigger is initiated, if the measurement value drops to or
below this value.
Hyst
Hysteresis for revoking the trigger (e.g. hyst=5%, level = greater or equal, trigger
at 100 -> reset at 95)
Level trigger ON
Activate online mode
RA
The alternative record interval should be used.
OS
If this checkbox has been selected, the setpoint output is only released on the
switchable sensor supply output VOUT if the trigger is active. See "Example for
explaining the release of the setpoint at the output via the trigger" on page 92.
O3
If this checkbox has been selected, the setpoint output is only released on the
switchable sensor supply output VEXT if the trigger is active.
OD
If this checkbox has been selected, the setpoint output is only released on the
isolated switch contact (NO, CC) if the trigger is active.
QX
The alternative transmission cycle should be used.
Threshold Levels for initiating the trigger. The hysteresis is used to determine the level to
reset the trigger.
Greater or
equal
The trigger is active as long as the measurement value is higher
than the level or equal to the level.
Less or equal
The trigger is active as long as the measurement value is lower
than the level or equal to the level.
Hyst
Hysteresis for revoking the trigger (e.g. hyst=5%, level = greater or equal, trigger
at 100 -> reset at 95)
Note:
If one of the "OS", "O3" or "OD" checkboxes has been selected on several measurement
channels (this also applies to internal measurement channels), the setpoint output for the
corresponding output channel is released as soon as the trigger is active on one of the measurement
channels, i.e. it is an "or" conjunction.
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