Syscompact 2000 M pro Product information
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3.3 Safety devices
Operational earth monitoring
The operational earthing monitoring checks whether the operational earthing is connected to
the station earth (protective earth) on a point with low transition resistance (resistance < 4
ohm). If this test fails, it is not possible to release the high voltage (Ready to switch on
operating state). The status LED on the system control panel illuminates red.
Overvoltage protection
The integrated surge protective device protects the system against overvoltage in the 230 V
network. If the surge protective device is damaged, the system can no longer be operated. The
status LED on the system control panel illuminates red.
Emergency off button
The emergency off button is located on the system control panel and is equipped with key and
lock for protection against unauthorised use or operation.
In case of danger, immediately press the emergency off button.
The internal capacitor and the test object are discharged.
The system status changes to the Ready for operation operating state and the green
indicator light on the control panel illuminates.
To operate the system again after pressing the emergency off button, acknowledge the
message in the display and unlock the emergency off button.
3.4 Operating states of a testing system with Syscompact 2000 M
pro
Out of operation
An operating state in which:
All power supplies, signal and control electric circuits are switched off and secured against
unauthorised restart;
All safety measures necessary before stepping into the test area have been met.
Ready for operation
An operating state in which:
All safety measures in the Out of operation operating state are in place;
The power supplies for the signal and control current circuits of the switching devices are
switched on;
The test voltage supply is switched off and secured against accidental start.
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