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VDL (E3.1) 10/2020 Page 123/196
• Select the field “Temp. alarm delay” and enter the time in minutes, after which the temperature range
alarm shall be triggered. Setting range: 1 min to 120 min. Confirm entry with Confirm icon.
• Select the field “Temperature range” and enter the desired value for the temperature range. Setting
range: 1,0 °C to 10,0 °C. Confirm entry with Confirm icon.
• Select the field “Press. alarm delay” and enter the time in minutes, after which the pressure range alarm
shall be triggered. Setting range: 1 min to 120 min. Confirm entry with Confirm icon.
• Select the field “Pressure range” and enter the desired value for the pressure range. Setting range: 10
mbar to 200 mbar. Confirm entry with Confirm icon.
For testing the safety temperature limiter (TB) see chap. 16.5.
After completing the settings, press the Confirm icon to take over the entries and exit the menu, or press
the Close icon to exit the menu without taking over the entries.
15.1.1 Alarm condition
If there are actual values outside the tolerance range the following information icons for the corresponding
parameter are displayed:
Icon
Signification
Information
“Temperature range”
The current actual temperature value is outside the tolerance
range
“Pressure range” The current actual pressure value is outside the tolerance range
If the condition persists, an alarm is triggered after the configured interval (“range alarm delay”). It is visually
indicated in Normal display. If the alarm buzzer is activated (chap. 16.4) there is an audible alert. The alarm
is shown in the list of active alarms (chap. 16.3).
16. Notification and alarm functions
16.1 Information messages
Information messages are indicated by information icons displayed in the screen header in Normal dis-
play.
An information icon serves as an indication of a certain condition.
If this condition persists, in some cases an alarm will be triggered after a fix or configurable interval. As long
as the condition persists, the information icon therefore continues to be displayed also in state of alarm. If
during alarm the conditions ends, e.g., if during a tolerance range alarm the actual value returns to within
the tolerance range, the information icon disappears, whereas the alarm will continue until manual acknowl-
edgement.
Press the flash icon next to the information icon to access the corresponding text information.
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