Siemens POLYMOBIL Plus - KV Control: Max. Inverter Frequency

Measurements 5 - 7
Siemens AG SPR8-125.061.02 Page 7 of 20 POLYMOBIL Plus
Medical Engineering Rev. 01 01.00 TD SD 24
kV Control 5
Checking the maximum main inverter frequency 5
• Connect the oscilloscope to D915 at TP "REG" and "GND".
• Measure F
MAX
in the service program Pr. 7
(Refer to "Service program", section on "Service programs available")
• Setting the maximum main inverter frequency with potentiometer P4
on D 915.
It is generally not necessary to set the main inverter frequency in
the field. When ordered as a replacement, D915 is preset at the
factory.
NOTICE
Fig. 7
F
MAX
= 18 kHz
T
MIN
= 55.5 µs
Tolerance: -1.5 µs /+1.5 µs
5 V/Div.
20
µs/Div.
0 →