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3-5. Setting the minimum phase difference
When the A/B phase difference that was set by mode switches 2-5 and 2-6 (minimum phase
difference 1 and 2 switches) drops below the minimum phase difference setting value, an
alarm signal is generated.
The default setting is 100 ns.
MODE switch 2-5
(minimum phase
difference 1 switch)
OFF
ON
OFF
ON
3-6. Maximum response speed
If the A/B output phase difference drops below the minimum phase difference setting value,
a speed alarm is output since the response speed is exceeded.
The speed immediately before the alarm is output is the maximum response speed.
The maximum response speed is determined by the number of divisions (number of
interpolations) and increases as the number of divisions decreases. When the number of
divisions (number of interpolations) is 120 or less, the speed is limited to 56 m/s, and a speed
alarm is generated even when the output phase difference exceeds the minimum phase
difference setting value.
Maximum response speed (m/s)
Number of
Resolution
(u u u u u m)
divisions
800
400
160
80
40
32
12
(E)
MODE switch 2-6
(minimum phase
difference 2 switch)
100 ns
1
6.4
2
16
5
36.8
10
56
20
56
25
56
OFF
OFF
ON
ON
400 ns
1.6
4
9.2
22
44
56
Minimum phase
difference setting
value
100 ns
400 ns
2.5 us
25 us
2.5 u u u u u s
25 u u u u u s
0.05
0.005
0.5
0.04
1.7
0.16
3.8
0.36
7
0.7
9
0.9
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