99
Once the desired „Upper Limit“ have been set, the desired value for the „Lower Limit" for
the Main Alarm can be set.
5.
To do this, select the
"Lower Limit"
field (highlighted) and
confirm with "Enter .
This brings you to the following setting menu:
This menu item can be confirmed with
„Yes“ or „No“ by selecting the field in
the following screen.
5
6
Yes
No
Used
Limit Value
Hysteresis
Auto-Off
Upper Limit
Lower Limit
Description:
Meaning:
Used
The setting determines whether the upper limit for the main-alarm should be used.
If it is not used, the following settings (limit value and hysteresis) are not possible.
Limit Value
The (upper) limit value is the switching point, beyond which the main-alarm is
triggered.
Hysteresis
Hysteresis is the difference between the switch-on and switch-off points at the limit
value. The switch-on point is the limit value plus half of the hysteresis, and the
switch-off point is the limit value minus half of the hysteresis.
Summary of Contents for TPK 21
Page 115: ...15 APPENDIX 110...
