Mitsubishi Electronics QD75MH1 Manuel D’Utilisation

 
 

 

12 - 84 

MELSEC-Q

 

12   CONTROL SUB FUNCTIONS 

 

[2]   Precautions during control 

(1)  A command in-position width check will not be carried out in the following 

cases.  

•

 During deceleration by a stop command or sudden stop command. 

•

 During position control, the operation pattern is "continuous path control" 

•

 During speed control, or during the speed control of speed-position 

switching or position-speed switching control.  

 

Command in-position flag
[ Md. 31 Status: b2]

Speed to position switching

t

Positioning 
control start 

Speed-position
switching
control start

Command in-position 
width setting value

V

Execution of the command in-position width check

OFF

ON

Command in-position 
width setting value

Execution of the command in-position 

width check

 

Fig. 12.44 Command in-position width check 

 

(2)  The command in-position flag will be turned OFF in the following cases.  

("0" will be stored in "

Md.31

 Status: b2".) 

•

 At the positioning control start 

•

 At the speed control start 

•

 At the speed-position switching control, position-speed switching control 

start 

•

 At the OPR control start  

•

 At the JOG operation start 

•

 At the inching operation start 

•

 When the manual pulse generator operation is enabled.  

 

(3) The 

"

Pr.16

 Command in-position width" and command in-position flag 

(

Md.31

Status: b2) of the reference axis are used during interpolation 

control.