50
11.7.44 Dry-running protection with pressure transmitter
(4.4.1.2)
Fig. 89 Dry-running protection with pressure transmitter
Description
Dry-running protection can take place by means of a pressure
transmitter measuring the inlet pressure.
It is possible to set two levels of inlet pressure: Warning and
alarm + stop. In the display, it is possible to set whether restart
and reset of the alarm is to be automatic or manual.
Setting range
• Selection of analog input for the function.
• Activation of the function.
• Inlet pressure level for warning.
• Inlet pressure level for alarm + stop.
• Restart: Manual or automatic.
Setting via control panel
1. Mark the Settings menu with .
2. Mark Monitoring functions with or , and press .
3. Mark Dry-running protection with or , and press
.
4. Mark Measurement, inlet pressure with or , and
press .
5. Mark Go to setting of analog input, and press . Now the
display Analog inputs (4.3.8) appears. Set the input to Inlet
pressure, and save with . Return with .
6. Mark Activated with or , and press .
7. Mark Warning with or . Set the level with or ,
and save with .
8. Mark Alarm + stop with or . Set the level with or
, and save with .
9. Mark Manual or Auto with or , and save with .
Factory setting
The setting is done in the start-up wizard and depends on the
application.
11.7.45 Dry-running protection with level transmitter (4.4.1.3)
Fig. 90 Dry-running protection with level transmitter
Description
Dry-running protection can take place by means of a level
transmitter measuring the level in a tank on the suction side.
It is possible to set two levels: Warning and alarm + stop.
In the display, it is possible to set whether restart and reset of
alarms is to be automatic or manual.
Setting range
• Selection of analog input for the function.
• Activation of the function.
• Tank level for warning.
• Tank level for alarm + stop.
• Restart: Manual or automatic.
Setting via control panel
1. Mark the Settings menu with .
2. Mark Monitoring functions with or , and press .
3. Mark Dry-running protection with or , and press
.
4. Mark Measurement, tank level with or , and press
.
5. Mark Go to setting of analog input, and press . Now the
display Analog inputs (4.3.8) appears. Set the input to Tank
level, suction side. Return with .
6. Mark Activated with or , and press .
7. Mark
Warning with or . Set the level with or ,
and save with .
8. Mark Alarm + stop with or . Set the level with or
, and save with .
9. Mark Manual or Auto with or , and save with .
Factory setting
The function is deactivated.
TM03 8979 4807
If one of the levels is not required, the level value
must be the minimum value of the inlet pressure
transmitter. This deactivates the function.
TM03 8980 4807