17 Advanced functions
FLUXUS G831ST-HT
17.5 Event triggers
129
UMFLUXUS_G831ST-HTV1-0EN, 2021-06-01
Definition of the switching condition
• Select the switching condition.
• Press ENTER.
Definition of the holding behavior
• Select the type of the holding behavior.
• Press ENTER.
Definition of trigger limits
It is important to enter the limits, at which the event trigger has to toggle.
• Enter the upper limit
MAX (x>limit)
.
• Press ENTER.
• Enter the lower limit
MIN
(x<limit)
.
• Press ENTER.
It is possible to define a hysteresis to avoid a constant switching of the event trigger.
The event trigger will be activated if the measured values exceed the upper limit. It will be deactivated if the measured
values fall below the lower limit.
• Enter the value for the hysteresis.
If zero is entered, no hysteresis is used.
• Press ENTER.
• Enter the center of the range in which the event trigger has to be switched.
• Press ENTER.
• Enter the width of the range in which the event trigger has to be switched.
• Press ENTER.
Options\Event trigger\Rx Enable\Source item\...\Function
Options\Event trigger\Rx Enable\Source item\...\Type
Options\Event trigger\Rx Enable\Source item\...\Trigger value
Options\Event trigger\Rx Enable\Source item\...\Hysteresis
Example
MAX (x>limit)
: 30 m³/h
Hysteresis
: 1 m³/h
The event trigger is activated for measured values > 30.5 m³/h and deactivated for measured values < 29.5 m³/h.
Options\Event trigger\Rx Enable\Source item\...\Range center
Options\Event trigger\Rx Enable\Source item\...\Range width
Example
Function
:
Out of range
Range center
: 100 m³/h
Range width
: 40 m³/h
The event trigger will switch if the measured value is below 80 m³/h or above 120 m³/h.