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How-to’s
Section 5-1
306
The input used for registration is determined by the argument of the
REGIST
command.
The delay in the capture in the Sigma-II Servo Driver is about 3
µ
s. As the
encoder information is refreshed every 62.5
µ
s, it is necessary to make
interpolation to obtain the right captured position value (see the picture). Since
the motor speed cannot change much during 62.5
µ
s, the resulting accuracy is
very high.
The delays in transmission of the information are:
• Delay in triggering the registration: 0.625 ms to 4 ms.
• Delay in receiving the registration: 3.5 ms.
• Delay in capturing the registration: 3
µ
s.
It is also possible to use the encoder Z-mark to register an axis position. This
is also done with the argument of the
REGIST
command.
5-1-6-3 Registration in the Junma Servo Driver
Registration in the Junma Servo Driver is the same as registration in the
Sigma-II Servo Driver, with one difference: There is only one physical input
and one logical latch too, so no settings of Servo Driver parameters are
necessary. The physical input is associated to logical latch EXT1, and only the
rising signal edge can be used for registration.
5-1-6-4 Registration in the G-Series Servo Driver
Registration in the G-Series Servo Driver is the same as registration in the
Sigma-II Servo Driver, with one difference: There are three physical inputs but
only one can be activated at a time. The physical input is associated to logical
latch EXT1, EXT2 and EXT3, but the corresponding locations on the CN1
connector are fixed, so no settings of Servo parameters are necessary. Only
the rising signal edge can be used for registration.
In contrast with other types Servo Drivers, the G-series Servo Drivers do not
support executing registration while it is in base-block state. The registration
can be executed on G-Series Servo Drivers only when
WDOG
is set to ON. If
EXT 2
Pn511.2
As for EXT 1 As for EXT 1
EXT 3
Pn511.3
As for EXT 1 As for EXT 1
Registra-
tion signal
Parameter
number
Parameter
value
Description
t
Position
Interpolated
position
62.5
µ
s
Latch input
Содержание SYSMAC CJ Series
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Страница 148: ...All BASIC commands Section 4 2 136 AXIS 1 AXIS 0...
Страница 277: ...Section 265 SECTION 5 Examples This chapter gives 2 categories of examples and tips How to s Practical examples...
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