Speed Limit Function - Mitsubishi Electric MELSEC Q Series User Manual

11.2

Speed Limit Function

The "speed limit function" limits command speed to the value set in "
during major positioning control or JOG operation exceeds "
(1) Control detail
This function is active on major positioning control and JOG operation.
When the value set in "
" Speed limit value".
Pr.5
The operation of the speed limit function is as follows.
v
In the figure above, the speed set in "
faster than "
Pr.5
speed limit (1 in the figure) is output later (2 in the figure), delaying the positioning completion.
(2) Precautions for control
Set positioning speed and JOG speed to a value equal to or less than "
limit value" is exceeded, command speed is limited to "
Also, set OPR speed to a value equal to or less than "
exceeded, the error "OPR speed Outside the setting range" (error code: 20) occurs at the start of OPR.
Speed limit value" is exceeded in each control, command speed is limited to
Pr.5
1
Speed limit value" is output since "
Pr.5
Speed limit value". In this case, the movement amount that was not output because of the
CHAPTER 11 CONTROL SUB FUNCTIONS
Speed limit value" when command speed
Pr.5
Speed limit value".
Pr.5
Da.3 Positioning speed V1
Speed limit value
Pr.5
2
Da.3
Speed limit value". If "
Pr.5
Speed limit value".
Pr.5
Speed limit value". If "
Pr.5
t
Positioning speed V1" is
Speed
Pr.5
Speed limit value" is
Pr.5
211
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