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12 CONTROL AUXILIARY FUNCTIONS
12.7.5 Command in-position function
The "command in-position function" checks the remaining distance to the stop position
during the automatic deceleration of positioning control, and turns ON the signal. This
signal is called the "command in-position signal". The command in-position signal is
used as a front-loading signal indicating beforehand the completion of the position
control.
The details shown below explain about the "command in-position function".
(1) Control details
(2) Precautions during control
(3) Setting the command in-position function
(4) Confirming the command in-position signal
(1) Control details
The following shows control details of the command in-position function.
(a) When the remaining distance to the stop position during the automatic
deceleration of positioning control becomes equal to or less than the value
set in "
Pr.17 Command in-position width", "1" is stored in the command in-
position signal (RX(n+1)E, RX(n+4)E).
(Command in-position width check)
Remaining distance
" Pr.17 Command in-position width" setting value
Command in-position
width setting value
Positioning
V
t
ON
OFF
Command in-position signal
[RX(n+1)E, RX(n+4)E]
Fig. 12.40 Command in-position operation
(b) A command in-position width check is carried out every 56.8ms.