Leakage Current Measurement - Siemens MOBILETT XP Digital Maintenance Instruction

70
3.11

Leakage current measurement

SIE Leakage current measurement
Observe the leakage current measurement information in these instructions.
•
Perform the leakage current measurement with all covers closed, according to
ARTD-002.731.17....
The measuring procedure indicated in the report must be used. If the first measured
value has to be newly determined, a measuring procedure can be selected (direct
measurement or differential measurement).
The limit value of 2.5 mA may not be exceeded.
WARNING
•
The system must be switched on during measurement. Measuring devices with auto-
mated measuring sequences must therefore be set to manual measurement.
•
Document the measuring procedure (differential measurement or direct measurement)
and the measuring device used (designation and serial number).
•
Measure and record the current line voltage. If the measured line voltage deviates from
the nominal voltage, correct the measured value to the value corresponding to a mea-
surement at the nominal value of the line voltage. This must also be documented.
•
The highest value must be entered in the leakage current report and evaluated.
NOTE
NOTE
MOBILETT XP Digital
Electrical voltage!
Non-compliance can lead to severe injury and even death.
No housing parts of the system may be touched during
direct measurement of the leakage current .
Third-person access to the system must be prevented.
File the leakage current report in the "Certificates" register no. 9 in
the system binder.
A new report must be created if the leakage current measurements
are not documented.
A new leakage current report can be found in the startup instruc-
tions SPR8-230.814.30.03. Separate this report from these instruc-
tions, fill it out, and file it in Register 9, "Certificates", in the system
binder. If values are newly determined, they are to be recorded as
first measured values. The evaluation is omitted in this case.
SPR8-230.831.30.03.02
11.05
Inspection and maintenance
Page 70 of 74
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