Chapter 9 Functions
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9.4.2 Position synchronous control
Start positioning with step no. and operation data when the current position of main axis is same as the
position set in position sync.
(1) Characteristics of control
(a) Synchronous Start by Position (SSP) command is carried out only in case that the main axis is in the origin
determination state.
(b) SSP command starts by the synchronization of the subordinate axis according to the current position of the
main axis.
(c) SSP carries out the SSP command at the subordinate axis.
(d) If SSP command is executed, it becomes the state in operation and the actual operation is carried out at the
subordinate axis where the current position of the main axis is the setting position of the position
synchronous start.
(e) In case of cancellation after executing the SSP command at the subordinate axis, if you execute the stop
command, the SSP command shall be released.
(f) The auxiliary data of position sync. command
The auxiliary data used in position sync. is as follows.
Items Setting Value Description
Position of
position sync.
-2147483648 ~ 2147483647 Set the position of main axis in position sync. control
Operation step 1~150
Set the step no. to be executed when the main axis
arrives at the position for position sync.
Main axis 0 (axis X) ~ 1(axis Y) Set the main axis of position sync.
Note
Even though the current position of main axis and the setting value set on position sync. are not exactly
same, if the current position of main axis is at between the position of main axis of previous scan and the
current position of main axis, the sub axis will be executed with the positioning data of step no. set on
operation step.
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