
B-65270EN/05 4.SERVO FUNCTION DETAILS
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4.18.8 Adjustment
(1) Examples of parameter setting
This section gives examples of parameter setting.
<1> Full-closed loop system using a 1-µm increment system,
8080P/motor revolution for scale feedback, a scale detection unit
of 0.5 µm/P, and an α1000i Pulsecoder (conventional tandem)
Position command
+
Position
control
Machine
Motor position feedback
Machine position feedback
Sub
Main
α
i Pulsecoder
1000000P/rev
Motor
4
4
F
⋅
FG
4
2
CMR
4
2
CMR
4040P/rev 8080P/rev
−
4
4
DMR
Reference
counter
capacity
8080P/rev
+
Position
control
αi Pulsecoder
1000000P/rev
Motor
101
12500
F
⋅
FG
8080P/rev
−
4
4
DMR
Reference
counter
capacity
8080P/rev
Motor position feedback
Fig. 4.18.8 (a) Example of position feedback setting
Series 30i, 16i, and so on Series 15i
Main Sub
•
Tandem axis No. 1817#6 No. 1817#1 1 1
• Full-closed loop No. 1815#1 No. 1815#1 1 0
No. 1807#3 1 0
• CMR No. 1820 No. 1820 4 4
• Reference counter capacity No. 1821 No. 1896 8080 8080
• High-resolution Pulsecoder No. 2000#0 No. 1804#0 0 0
• Number of velocity detection pulses No. 2023 No. 1876 8192 8192
• Number of position detection pulses No. 2024 No. 1891 8080 12500
• Flexible feed gear No. 2084 No. 1977 0 101
• Flexible feed gear No. 2085 No. 1978 0 12500