6.11 Selecting Torque Limits
6.11.3 Limiting Torque with an Analog Reference
6-67
Setting the External Torque Limit
You must set Pn002 to n.1 (Use T-REF as an external torque limit input) to use T-REF
(CN1-9 and CN1-10) as the torque limit input.
Settings Related to Limiting Torque with an Analog Voltage
Reference
The parameters that are related to limiting torque with an analog voltage reference include
parameters to set the input gain of the analog voltage reference, a reference filter time con-
stant, and the internal torque limits.
• Rotary Servomotors
* Set a percentage of the motor rated torque.
• Linear Servomotors
* Set a percentage of the rated motor force.
Parameter Meaning When Enabled Classification
Pn002 n.1 Use T-REF as an external torque limit input. After restart Setup
Pn400
Torque Reference Input Gain
Setting Range Setting Unit Default Setting When Enabled Classification
10 to 100 0.1 V
30
(rated torque at 3.0 V)
Immediately Setup
Pn402
Forward Torque Limit
Setting Range Setting Unit Default Setting When Enabled Classification
0 to 800
1%
*
800 Immediately Setup
Pn403
Reverse Torque Limit
Setting Range Setting Unit Default Setting When Enabled Classification
0 to 800
1%
*
800 Immediately Setup
Pn415
T-REF Filter Time Constant
Setting Range Setting Unit Default Setting When Enabled Classification
0 to 65,535 0.01 ms 0 Immediately Setup
Pn400
Force Reference Input Gain
Setting Range Setting Unit Default Setting When Enabled Classification
10 to 100 0.1 V
30
(rated force at 3.0 V)
Immediately Setup
Pn483
Forward Force Limit
Setting Range Setting Unit Default Setting When Enabled Classification
0 to 800
1%
*
30 Immediately Setup
Pn484
Reverse Force Limit
Setting Range Setting Unit Default Setting When Enabled Classification
0 to 800
1%
*
30 Immediately Setup
Pn415
T-REF Filter Time Constant
Setting Range Setting Unit Default Setting When Enabled Classification
0 to 65,535 0.01 ms 0 Immediately Setup
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