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MELSEC-
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6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
6.6.2 Start details setting program
This program sets which control, out of "zero point control", "main positioning control"
or "advanced positioning control" to execute.
Procedures for setting the starting details
(1) Set the "positioning start No." corresponding to the control to be started in
"Positioning start No. (RWwm, RWwm+8)".
Setting item
Setting
value
Setting details
Remote register
Axis 1 Axis 2
Positioning start No.
1 to 600 : Positioning data No.
9001 : Machine zero point return
9002 : High-speed zero point return
9003 : Current value change
7000 to 7010 : Block No.
(For "advanced positioning
control")
9900 : Absolute position restoration
9901 : Data setting method zero point
return
RWwn RWwm+8
* Refer to section "3.5 Remote registers" for details on the setting details.
(2) For "advanced positioning control", set the "positioning start point No." of the
block to be started in "
Cd.31
Positioning start point No.".
(Setting is not required when the default value (point No. 1) is used.)
Setting item
Setting
value
Setting details
Buffer memory address
Axis 1 Axis 2
Cd.31
Positioning start
point No.
1 to 50 : Point No. of start block data 1178 1228
* Refer to section "5.7 List of control data" for details on the setting details.
(3) For "high-speed zero point return", confirm that the "zero point absolute
position overflow flag/underflow flag" is OFF.
(4) Set the following control data for "speed/position changeover control".
(Set "
Cd.21 Speed/position changeover control movement amount change
register" and "
Cd.36
Speed/position changeover control (ABS mode) function
valid flag" as required.)
Setting item
Setting
value
Setting details
Remote input/output,
buffer memory address
Axis 1 Axis 2
Speed/position changeover
enable flag
ON
When "ON" is set, the speed/position
changeover signal will be validated.
RY(n+2)8 RY(n+4)8
Cd.21
Speed/position
changeover control
movement amount
change register
Set the new value when the position control's
movement amount is to be changed during
speed control.
1164
1165
1214
1215
Cd.36
Speed/position
changeover control
(ABS mode)
function valid flag
Set the INC or ABS mode of speed/position
changeover control.
1189 1239
* Refer to section "3.4 Specifications of input/output signals for master module", "5.7 List of control data" for
details on the setting details.