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20
3.2
Electrical safety
SIE
Cables and plugs
•
Check visible cables and plugs of the monitor for damage
SIE
Protective conductor test
NOTE
NOTE
•
If covers were removed, they are to be reattached.
•
Perform the protective conductor test according to ARTD-002.731.17... .
•
The protective conductor resistance of 0.2 ohms for the unit with a power line connec-
tion must not be exceeded.
The protective conductor resistance of 0.1 ohms for the detachable power cable must
not be exceeded.
The protective conductor resistance of 0.1 ohms between the ground contact of the unit
plug and the touchable conductive unit parts may not be exceeded.
•
The determined values, including the measuring points, must be recorded and as-
sessed.
•
The measuring procedure and the measuring device used (designation and serial num-
ber) are also to be documented.
NOTE
SIE
Leakage current
Monitor 44cm, 100/120HZ
The protective conductor test for the monitors is to be performed
when these are externally mounted (e.g. on a wall console). It is not
necessary to perform the protective conductor test for monitors
mounted on the monitor trolley of the system if they are tested dur-
ing the protective conductor test of the system (e.g., SIREMOBIL
system).
Observe the notes on the protective conductor test in these in-
structions. The power cable of the monitor is to be moved section
by section during the protective conductor test to detect cable
breaks.
Evaluate the results by comparing the first measured value to the
corresponding values documented during preceding maintenance
procedures or safety checks.
A sudden or unexpected increase in the measured values may in-
dicate a defect in the protective conductor connection - even if the
limit value of 0.2 ohms is not exceeded.
(Protective conductor or contacts)
SPR2-230.101.01.02.02
08.05
Safety inspection
Page 20 of 26
CS PS 24
Siemens AG
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