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12.4
Functions to Limit the Control
Functions to limit the control include the "speed limit function", "torque limit function", "software stroke limit", and
"hardware stroke limit". Each function is executed by parameter setting or program creation and writing.
12.4.1
Speed limit function
The "speed limit function" limits the command speed to a value within the "speed limit value" setting range when the
command speed during control exceeds the "speed limit value".
The details shown below explain about the "speed limit function".
• Relation between the speed limit function and various controls
• Control precautions
• Setting method
(1) Relation between the speed limit function and various controls
The following table shows the relation of the "speed limit function" and various controls.
: Setting always required, : Setting not required
Machine OPR control
OPR control
Fast OPR control
Position
control
Major positioning
control
1- to 4-axis speed control
Speed-position switching control,
Position-speed switching control
Other control
JOG operation, inching operation
Manual control
Manual pulse generator operation
*1
Setting value is invalid. Use the initial values or setting values within a range where no error occurs.
530
Control type
1-axis linear control
2- to 4-axis linear interpolation control
1-axis fixed-feed control
2- to 4-axis fixed-feed control (interpolation)
2-axis circular interpolation control
3-axis helical interpolation control
Current value changing
JUMP instruction, NOP instruction,
LOOP to LEND
*1
Speed limit
function
[Pr.8] Speed limit value
Setting value invalid
[Pr.31] JOG speed limit value
Setting value invalid
Speed limit value
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Troubleshooting
