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Checking the intermediate circuit voltage
CAUTION
•
Connect oscilloscope or digital multimeter to D111.R1 and R2.
•
Depending on the supply voltage, a value between 250... 350 V DC must be measured
with the digital multimeter.
Charging and discharging procedure
POLYMOBIL III
On D111 an intermediate circuit voltage of ... up to 350 V is
applied!
During oscilloscope operation the protective ground wire connec-
tion in the power cable must not be interrupted under any circum-
stances.
For measurements where ground loops that may be present could
impair the measuring result, use the TEK amplifier and the trigger
attachment.
US
HR
relay
relay
OFF
ON
Notes on trouble-shooting
RXB8-115.061.02
Rev. 01
10.95
D111 (X038I-111B)
Page 8 of 24
CS PS 24
4
Siemens AG
Medical Solutions
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