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5.8 Limiting Force
5-65
5
Op
er
at
io
n
(3) Changes in Output Force during External Force Limiting
The following diagrams show the change in output force when the internal force limit is set to 800%.
In this example, the servomotor movement direction is Pn000.0 = 0 (Linear scale counting up direction is
regarded as the forward run).
5.8.3
Force Limiting Using an Analog Voltage Reference
For force limiting by analog voltage reference, the force is limited by using the analog voltage at the T-REF
terminals for CN1-9 and CN1-10.
From the force limit value by analog reference and force limit value by Pn483 and Pn484, whichever is
smaller will be applied.
This function can be used only during speed or position control, not during force control.
The following chart shows when the force limiting using an analog voltage reference is performed in the speed
control.
There is no polarity in the input voltage of the analog voltage reference for force limiting. The absolute values
of both + and - voltages are input, and a force limit value corresponding to that absolute value is applied in the
forward and reverse direction.
/P-CL
OFF
ON
/N-CL
OFF
ON
Pn483
Pn484
0
Force
Speed
Pn484
0
Pn404
Pn483
Force
Speed
0
Pn484
Pn405
Pn483
Force
Speed
0
Pn484
Pn405
Pn404
Pn483
Force
Speed
Parameter
Meaning
When Enabled
Classification
Pn002
n.
1
Uses the T-REF terminal as an external force limit
input.
After restart
Setup
Pn300
+
+
+
-
Pn400
T-REF
V-REF
T-REF filter time constant
Pn101
Pn415
Pn100
Force reference input gain
Pn483
Speed
loop
gain
Speed feedback
Force limit
value
Speed
reference
Force
reference
Forward
force limit
Pn484
Reverse force limit
SERVOPACK
Speed
reference input
gain
Speed loop
integral time
constant
(See 5.5.1.)
(See 5.3.1.)
(See 5.8.1.)
(See 5.8.1.)
(See 6.9.2.)
47
Содержание SGDV SERVOPACK
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Страница 53: ...www dadehpardazan ir 88594014 15 2 Panel Operator 2 10 ...
Страница 103: ...www dadehpardazan ir 88594014 15 3 Wiring and Connection 3 7 3 Connecting a Reactor for Harmonic Suppression 3 50 ...
Страница 117: ...www dadehpardazan ir 88594014 15 4 Trial Operation 4 5 4 Operator Displays during Testing without Motor 4 14 ...
Страница 203: ...www dadehpardazan ir 88594014 15 5 Operation 5 11 5 Precautions for Safety Functions 5 86 ...
Страница 275: ...www dadehpardazan ir 88594014 15 6 Adjustments 6 9 7 Position Integral 6 72 ...