HS50_advance_level 2 - 第332页

07/2002 Editio n Student G uide HS -50 Advanc ed II 11 DP-Axis 10    7 UD FNVL JQD OV T rack Signal - Dp Axis Rotor Scale (360 ticks / 360 ° of scale) A B 1234123 4….. X16 Conne ctio n Point for Track Sign al T est …

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Student Guide HS-50 Advanced II 07/2002 Edition
11 DP-Axis
9
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a Home position dp drive away from segment
s Engaged position dp drive at segment
The stepper motor of the valve drive is turned to the home position. The stepper motor runs and
the light barrier on the cam disk sets the end signal.
Because of the special shape of the cam disk the stepper motor is able to recognize the home
position.
1.
2.
07/2002 Edition Student Guide HS-50 Advanced II
11 DP-Axis
10
 7UDFNVLJQDOV
Track Signal - Dp Axis
Rotor
Scale
(360 ticks / 360
°
of
scale)
A
B
12341234…..
X16
Connection Point for Track
Signal Test Box
of the Analogue
Track Signals A, and B
the
(Multiplication by a factor of 10 for Digital Conversion)
(zero
pulse) sent to Interm. Distributor Board.
3.6 Vpp
X7as
(2) A
(5) B
(8)
(7) +5V
(1) GND
X1as X14ac
(27) A
(26) A not
(24) B
(23) B not
(21) N
(20) N not
X3ac X3aa
(21) A
(20) A not
(18) B
(17) B not
(15) N
(14) N not
X25aa X3tp
(2) A
(3) A not
(5) B
(6) B not
(8) N
(9) N not
.
(Multiplication by factor of 4)
End Result:
(360) x (10) x (4) =
14,400 pulses / 360
°
Therefore ....
1 digit = 0.025°
Student Guide HS-50 Advanced II 07/2002 Edition
11 DP-Axis
11
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– One 2-channel storage oscilloscope > 20 MHz
– Test pins 1.4 mm, 1.5 mm and 1.6 mm
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star  none  pulse signal amplitude 3.6V
ss
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z  none  pulse signal amplitude 3.6V
ss
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dp  read head on 1.5 mm,
parallel to glass pane 
pulse signal amplitude 3.6V
ss
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