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MELSEC-Q
5   DATA USED FOR POSITIONING CONTROL 
 
Pr.42
External command function selection 
Select a command with which the external command signal should be associated. 
0:  External positioning start 
The external command signal input is used to start a positioning 
operation. 
1:  External speed change request 
The external command signal input is used to change the speed 
in the current positioning operation.  The new speed should be set 
in the "
Cd.14
New speed value" 
2:  Speed-position, position-speed switching request 
The external command signal input is used to switch from the 
speed control to the position control while in the speed-position 
switching control mode, or from the position control to the speed 
control while in the position-speed switching control mode. 
To enable the speed-position switching control, set the 
"
Cd.24
Speed-position switching enable flag" to "1".   
To enable the position-speed switching control, set the 
"
Cd.26
Position-speed switching enable flag" to "1". 
3:  Skip request 
The external command signal input is used skip the current 
positioning operation. 
 
POINT 
 
To enable the external command signal, set the "
Cd.8
External command enable" 
to "1".