V7.00
24905_EDEBDA0272-5019-1_EN
23
When the
warning threshold is exceeded, a message (E28 capacitance loss) is displayed (warning
threshold of induced current approx. 35 % too low)
alarm threshold is exceeded, a message (E28 capacitance loss) is displayed (alarm
threshold of induced current approx. 45% too low)
If loss of capacitance can still be detected after ve more attempts at switching-on a
stage, this stage is locked from further connection and the message E30 stage locked is
displayed.
4.2 Current consumption and performance monitoring of stages
CAUTION
Monitoring is only performed when switching on or o additional stages!
If a stage is detected to be defective (E26 capacitor current too high or E 28 capaci-
tance loss (capacitor current too low) ), a message is displayed. Limiting condition is
the stage pattern of the stages created.
The error message E27 check fuse is displayed if the current consumption of the system
(the cabinet in which the measurement is performed) does not change when a stage is
switched on.
If the value does not change when a stage is switched o, the message E29 Contactor
defective (stuck) is displayed.
4.3
Current consumption and performance monitoring of complete
cabinets
Current consumption monitoring of individual cabinets is an important safety function.
The current consumption is measured with a multisio D2-4CI current-measuring module
or a multimess D4 energy measuring module in the cabinet. Each cabinet is monitored
individually. Current consumption values which are too high or too low are taken into
account.
Range of functions
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