20 Advanced functions
PIOX S72*
20.6 Event triggers
185
UMPIOX_S72xV1-9EN, 2022-05-15
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
The limits are to be entered at which the event trigger has to switch.
• 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 constant switching of the event trigger.
The event trigger is activated when the measured values exceed the upper limit. It is deactivated when 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 m
3
/h
Hysteresis
: 1 m
3
/h
The event trigger is activated for measured values > 30.5 m
3
/h and deactivated for measured values < 29.5 m
3
/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 m
3
/h
Range width
: 40 m
3
/h
The event trigger will switch if the measured value is below 80 m
3
/h or above 120 m
3
/h.