Basic Information On The Replacement And Adjustment Of Potentiometers, Reference Switches And Motor Encoders; General Replacement And Adjustment - Siemens LITHOSTAR Multiline Manual

Potentiometers and Reference Switches
Basic information on the replacement and adjustment of
potentiometers, reference switches and motor encoders
Fig. 4:

General replacement and adjustment

a) Potentiometers
•
Move the unit so that the set screw becomes accessible
•
Switch the system off.
•
Remove the Allen 1.5 mm set screw on the connecting piece of the potentiometer shaft
((M/Fig. 4 / p.
•
Remove the potentiometer retaining plate
•
Remove the adjustment wheel
tentiometer shaft.
•
Desolder the connection wires from the potentiometer and solder them to the new po-
tentiometer in the same order.
•
Install the potentiometer in the reverse order. Do not tighten the set screw yet (Allen 1.5
mm).
•
Switch the system on.
•
Move the drive in "unregulated motion" with the service PC (Adjustment, Calibration) in
mm steps so that the corresponding reference switch is actuated (refer to
(Fig. 5 / p.
NOTE
•
Exit "unregulated motion" and select the "ADC value" for the corresponding drive in Di-
agnostic, Monitoring.
Siemens AG
Medical Solutions
Replacing the potentiometer
35)).
36)). Check with DVM at D5.X2.A1...A11, 0V=X30.
The potentiometer values are set in accordance with ADC values.
RXL2-120.841.02.01.02
09.05
((ISK 3 mm/Fig. 4 / p.
((E/Fig. 4 / p. 35)) and the retaining parts from the po-
Page 35 of 72
CS PS 24
((M/Fig. 4 / p. 35)).
35)).
LITHOSTAR Multiline
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