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5. OPERATIONAL FUNCTIONS
5.1 JOG operation
5.1.1 Summary
When the movement direction is specified and the start operation signal (ST) input, it starts in the designated
direction and movement continues until the start operation signal (ST) is turned OFF. When the start operation
signal (ST) is turned off, it slows and comes to a stop. JOG operation can be used without completing home
position return. JOG operation can be used without completing home position return (home position return
request (ZREQ) is ON).
Speed
Start operation (ST)
Stop of operation
Start of operation
ON
OFF
ON
OFF
ON
OFF
ON
OFF
JOG mode (JOG)
Completion of
operation (OPF)
Movement direction
(DIR)
sscJogStart function sscJogStop function
5.1.2 Start operation method
Start operation is performed according to the following procedure.
(1) Turn on the JOG operation mode signal (JOG).
(2) Set the manual feed speed, manual feed acceleration constant, and manual feed deceleration constant.
(3) Use the movement direction signal (DIR) to set the movement direction of the axis.
When the movement direction signal (DIR) is OFF, the axis moves in the
direction. And when it is ON,
the axis moves in the
direction.
(4) Turn on the start operation signal (ST).
POINT
The manual feed speed, manual feed acceleration constant, manual feed
deceleration constant, and movement direction signal (DIR) are read at the
leading edge of the start operation signal (ST). It follows that after start
operation, even if there are changes to the data or signal, they are ignored.
API LIBRARY
Use the sscJogStart function to perform procedures (1) to (4) above.
Use the sscJogStop or sscJogStopNoWait functions to perform stop operation.