HS50_advance_level 2.pdf - 第246页

07/2002 Editio n Student G uide HS -50 Advanc ed II 8 Y-Axis 28  7 UDFNVLJQDOV T r ack Signal - Y Axis Plug on th e X1 1ab (2) A (5) B (1) GND (7) +5V (8) N Linear Scale (10 ti cks/1 mm of scale) A B from the S ens…

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Student Guide HS-50 Advanced II 07/2002 Edition
8 Y-Axis
27
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An axis controller, a servo amplifier and a motor generates all Y axis movements in the machine
controlled by the track signals.
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gantry 1 top bottom
gantry 2 bottom top
gantry 3 top bottom
gantry 4 bottom top
distance sensor X9 only with gantry 1 and 3
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1 switch point: end position gantry 2 , 4
2 switch point: reference gantry 2, 4
3 switch point: reference gantry 1, 3
4 switch point: end position gantry 1, 3
A axis controller,a servo amplifier and a axis drive generate all movements in the machine.
Digital axis
controller
Analog servo
amplifier
Axis drive 3 phase AC
digital position
detection with feed
back loop
SIPLACE HS50-machines have on each gantry three of this 3 phase AC - axes. (X-Y-Star)
M
3~
Track signals
Incremental
encoder
07/2002 Edition Student Guide HS-50 Advanced II
8 Y-Axis
28
 7UDFNVLJQDOV
Track Signal - Y Axis
Plug on the
X11ab
(2) A
(5) B
(1) GND
(7) +5V
(8) N
Linear Scale
(10 ticks/1mm of
scale)
A
B
from the Sensor to the scope. of the
Analogue Track Signals A, B and N
the
(Multiplication by a factor of 25 for Digital Conversion)
N
12341234…..
.
(Multiplication by factor of 4)
End Result:
(10) x (25) x (4) =
1000 pulses / mm
Therefore ….
1digit = 1.0
µ
m
Sensor
analog
output
connection point for track
signal Test Box
X11
X32aa
X3tk
(2) A
(3) A not
(5) B
(6) B not
(8) N
(9) N not
X3ab X6ab
(33) A
(32) A not
X2ab X7aa
(30) B
(29) B not
X1ab X8aa
(27) N
(26) N not
Student Guide HS-50 Advanced II 07/2002 Edition
8 Y-Axis
29
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1 dual channel oscilloscope > 20 MHz
– 1 track signal tester HS-50.
– Plastic feeler gauge 0.4 mm
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X read head adjusted to
0.4 mm,
parallel to scale
analog track signals:
digital track signal:
circuit with 1.8 V
diameter
pulse signals with
3.6 V
ss
and
90° degree phase
offset
Y read head adjusted to
0.4 mm,
parallel to scale
analog track signals:
digital track signal:
circuit with 1.8 V
diameter
pulse signals with
3.6 V
ss
and
90° degree phase
offset