HS50_advance_level 2 - 第322页
07/2002 Editio n Student G uide HS -50 Advanc ed II 10 Star Axis 18 2VFL OORVFRS H6HWWLQJ V – If the dyna mics of the star a re corre ct, each s ignal wi ll appear as illus trated ab ove. –N ominal - pos itio ning…
Student Guide HS-50 Advanced II 07/2002 Edition
10 Star Axis
17
6WDU$[LV
*HQHUDO3UHSDUDWLRQ
➠ Start SITEST.
➠ Turn on the compressed air.
➠ Prepare the measurement setup for the star - axis according to .
➠ Set the oscilloscope according to the table below.
➠ Perform a head reference run.
NOTE
Use an RC - filter to record the current curve
Measure the end signal on the adapter board "axis control card", (the lowest BNC socket), with
the switch activated.
Measure the nominal current of the star - axis on the "measuring adapter axis control card current
measure star" (Do not connect GND).
&KHFN3*DLQ
NOTE
An adjustment of the star - axis on the servo amplifier is not possible.
Adjustment parameters are preset by board VC10 Controller. This board is on the axis control card
1, or 2, 3 or 4.
6,7(67
➠ Select "C&P Heads" ==> "Select head" ==>
"Axis functions" ==> "Select star - axis" ==> "Continuous run, star" ==> "Input: Waiting
time 500 ms" ==> "Accept".
➠ If necessary, press the START button.
07/2002 Edition Student Guide HS-50 Advanced II
10 Star Axis
18
2VFLOORVFRSH6HWWLQJV
– If the dynamics of the star are correct, each signal will appear as illustrated above.
–Nominal - positioning time:PVPV.
1 cycle = 12000 digits = 30°degrees.
NOTE
If this setting for the dynamics can not be reached, check the friction blocks on the star and the
mounting of the star while the drive is in its magnetic park position.
&KDQQHO 6LJQDO &RXSOLQJ <'HIOHFWLRQ 7ULJJHU ;'HIOHFWLRQ
CH 1 Vnominal DC 5.0 V/ DIV
CH 4
positive
10% pre
10 ms/ DIVCH 2 deviat. of posit. DC 0.5 V/ DIV
CH 3 nominal current DC 5.0 V/ DIV
CH 4 end signal DC 5,0 V/ DIV
Sollwert /
Vnominal
Positionsabweichung
/
deviation of position
Stromsollwert /
nominal current
Endemeldung /
end signal
'3$[LV