HS50_advance_level 2.pdf - 第247页

Stud ent Gu ide HS-5 0 Adva nced II 07/2 002 Ed ition 8 Y- Axis 29  &KHFNLQJWK HWUDFNVLJQ DO  7 HVW(TXLS PHQW 1 dual ch annel oscill osco pe > 20 MHz  – 1 track s ignal tester HS-50. – Plastic f eeler…

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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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 7HVW(TXLSPHQW
1 dual channel oscilloscope > 20 MHz
– 1 track signal tester HS-50.
– Plastic feeler gauge 0.4 mm
 2YHUYLHZ
$[HV 6HWWLQJ 2VFLOORVFRSH'LVSOD\
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
07/2002 Edition Student Guide HS-50 Advanced II
8 Y-Axis
30
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Inkrementalgeber X- / Y- Achse /
incremental encoder x- / y- axis
SIPLACE HS-50
Auflösung des Maßstabes: 1 Digit = 1 m
measuring scale: 1 dgt = 1 m
µ
µ
Spursignal - Teste
r /
track signal tester
BNC - Leitung
BNC line
track
zero pulse
analog
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CH 1
track A of
track signal
tester
DC 0.5 V/ DIV
x- / y- mode
auto 5 ms/ DIV
CH 2
track B of
track signal
tester
DC 0.5 V/ DIV
x- / y- mode