Chapter 4 Operation
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4.9.2 External Torque Limit
This function allows the torque to be limited at specific times during machine operation, for example,
during press stops and hold operations for robot workpieces.
An input signal is used to enable the torque limits previously set in parameters.
(1)Related
(1)Related
(1)Related
(1)Related Parameters
Parameters
Parameters
Parameters
Note: The setting unit is a percentage of rated torque (i.e., the rated torque is 100%).
(2)Input
(2)Input
(2)Input
(2)Input Signals
Signals
Signals
Signals
Pn403
Forward External Torque Limit
Setting
Setting
Setting
Setting Range
Range
Range
Range
Setting
Setting
Setting
Setting Unit
Unit
Unit
Unit
Factory
Factory
Factory
Factory Setting
Setting
Setting
Setting
Setting
Setting
Setting
Setting Validation
Validation
Validation
Validation
0
～
300
1%
100
Immediately
Pn404
Reverse External Torque Limit
Setting
Setting
Setting
Setting Range
Range
Range
Range
Setting
Setting
Setting
Setting Unit
Unit
Unit
Unit
Factory
Factory
Factory
Factory Setting
Setting
Setting
Setting
Setting
Setting
Setting
Setting Validation
Validation
Validation
Validation
0
～
300
1%
100
Immediately
Type
Type
Type
Type
Signal
Signal
Signal
Signal
Name
Name
Name
Name
Connector
Connector
Connector
Connector Pin
Pin
Pin
Pin
Number
Number
Number
Number
Setting
Setting
Setting
Setting
Meaning
Meaning
Meaning
Meaning
Limit
Limit
Limit
Limit Value
Value
Value
Value
Input
/P-CL
CN1-41
(factory setting)
ON(low level)
Forward external
torque limit ON
The value set in Pn401 or
Pn403(whichever is smaller).
OFF(high level)
Forward external
torque limit OFF
Pn401
Input
/N-CL
CN1-42
(factory setting)
ON(low level)
Reverse external
torque limit ON
The value set in Pn402 or
Pn404(whichever is smaller).
OFF(high level)
Reverse external
torque limit OFF
Pn402
When using this function, make sure that there are no other signals allocated to the same terminals as /P-
CL and /N-CL.
Position
Torque
Speed
Position
Torque
Speed
