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1 - 30 S tudent Guide SIPLACE X 5 Gantry Edition 09/2005 30 5.5.2.3 T ravel profile X-axis C&P 20, C&P 6/1 2 head and T win head in comp arison Fig. 5.5 - 4 Dynamic Signals at15000 digit distance for X-Axis with …
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Student Guide SIPLACE X
Edition 09/2005 5 Gantry
29
Please Note:
Use an RC - filter to record the unkomutated motor current signal. 5
5.5.2.2 Test setup with SAT-Box
Please Note:
-> for dynamic check it may be enough to check positioning time and overshoots of the
axis with the display at SIPLACE Axis Tester and the values from adjustment tables.
-> for troubleshoting the dynamic analysis have to be done with a appropriate oscilloscope5
Fig. 5.5 - 3 Test set up with Siplace AxisTester
Legend outputs Siplace Axis Tester to oscilloscope channels
On account of the higher accuracy requirements at a gantry with Twin head und the higher speed
for C&P 20 head run the X- and Y-axes with different axis control parameters compared with C&P
6 or 12 DLM 2 heads (see followings diagrams).
(1) V
nom
output (motor phase current signal I
W
)
not connected to the scope for HF
(2) uncommutated nominal current (Vreg)
connect to CH2
(3) Deviation of position connect to CH1 (4) End signal connect to CH 3
Axis unit error
Servo ON
Initialize
Counter error
Zero puls
End signal
Interface:
Test adapter,
Axis test box,
SAT-Box
2
4
1
3
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Student Guide SIPLACE X
5 Gantry Edition 09/2005
30
5.5.2.3 Travel profile X-axis C&P 20, C&P 6/12 head and Twin head in comparison
Fig. 5.5 - 4 Dynamic Signals at15000 digit distance for X-Axis with different head configurations
Legend 5
X-Axis with C&P 20
Distance:
15mm = 15000 Digit
Time: 47 +/-5ms
X-Axis with C&P 6/12
Distance:
15mm = 15000 Digit
Time: 58 +/-5ms
X-Axis with Twin Head
Distance:
15mm = 15000 Digit
Time: 54 +/-5ms
1
2
(1) Start of the axis (2) Twin head reach the nominal position earlier, Overshot
control needs 11ms longer to trigger the end signal
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Student Guide SIPLACE X
Edition 09/2005 5 Gantry
31
5.5.2.4 Positioning time tables X-Axis depended on the head types
Table 5.5 - 1 Positining time X-axis depended on the head configuration
5.5.3 Check dynamic Y- axis
5.5.3.1 Test setup
Note: The test setup for the Y-Axis is the same as the X-Axis.
X-Axes with C&P 20 Head X-Axes with DLM2 (C&P6, C&P12) Head
Distance /
Digit
Time / ms Tolerance /ms
Distance /
Digit
Time / ms Tolerance /ms
500 18 +/-5 500 26 +/-5
1000 20 +/-5 1000 29 +/-5
2000 24 +/-5 2000 35 +/-5
5000 31 +/-5 5000 47 +/-5
15000 47 +/-5 15000 58 +/-5
20000 53 +/-5 20000 64 +/-5
50000 79 +/-10 50000 87 +/-10
100000 108 +/-10 100000 126 +/-10
200000 151 +/-10 200000 174 +/-10
300000 190 +/-15 300000 213 +/-15
X-Axes with Twin Head
Distance /
Digit
Time / ms Tolerance /ms
500 25 +/-5
1000 28 +/-5
2000 34 +/-5
5000 41 +/-5
15000 54 +/-5
20000 59 +/-5
50000 87 +/-10
100000 125 +/-10
200000 170 +/-10
300000 209 +/-15