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(2) Relation between the torque limit function and various controls
The following table shows the relation of the "torque limit function" and various controls.
: Set according to requirements, : 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.
*2
Shows the torque limit value when "[Cd.22] New torque value" is set to "0".
(3) Control details
The following drawing shows the operation of the torque limit function.
Various operations
PLC READY signal [Y0]
Pr.17 Torque limit setting value
Cd.22 New torque value
Md.35 Torque limit stored value
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
100%
0%
Torque limited at the parameter
torque limit setting value (100%)
100%
CHAPTER 12 CONTROL SUB FUNCTIONS
*1
Torque limit
function
[Pr.17] Torque limit setting value
*
[Pr.17] Torque limit setting value
Setting value invalid
[Pr.17] Torque limit setting value
[Pr.17] Torque limit setting value
50%
0%
Torque limited at the parameter
torque limit setting value (50%)
50%
*2
Torque limit value
After the "[Pr.47] Creep speed" is
reached, this value becomes the "[Pr.54]
OPR torque limit value".
533
12
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Troubleshooting
