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6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
6.6.2 Start details setting program
Setting item
Positioning start No.
* Refer to section "3.5 Remote registers" for details on the setting details.
Setting item
Positioning start
Cd.31
point No.
* Refer to section "5.7 List of control data" for details on the setting details.
Setting item
Speed/position changeover
enable flag
Speed/position
changeover control
Cd.21
movement amount
change register
Speed/position
changeover control
Cd.36
(ABS mode)
function valid flag
* 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.
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
value
1 to 600
9001
9002
9003
7000 to 7010 : Block No.
9900
9901
(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
value
1 to 50 : Point No. of start block data
(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
value
When "ON" is set, the speed/position
ON
changeover signal will be validated.
Set the new value when the position control's
movement amount is to be changed during
speed control.
Set the INC or ABS mode of speed/position
changeover control.
Setting details
: Positioning data No.
: Machine zero point return
: High-speed zero point return
: Current value change
(For "advanced positioning
control")
: Absolute position restoration
: Data setting method zero point
return
Setting details
Setting details
6 - 52
MELSEC-A
Remote register
Axis 1
Axis 2
RWwn
RWwm+8
Buffer memory address
Axis 1
Axis 2
1178
1228
Remote input/output,
buffer memory address
Axis 1
Axis 2
RY(n+2)8
RY(n+4)8
1164
1214
1165
1215
1189
1239
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