YASKAWA SGMJV - Torque Limiting Using an External Torque Limit and Analog Voltage Reference

5.8 Limiting Torque
5-63
5
Operation
(1) Input Signals
Use the following input signals to limit a torque by analog voltage reference.
Refer to 5.5.1 Basic Settings for Torque Control Mode.
(2) Related Parameter
Set the following parameter for torque limit by analog voltage reference.
5.8.4 Torque Limiting Using an External Torque Limit and Analog Voltage
Reference
This function can be used to combine torque limiting by an external input and by analog voltage reference.
When /P-CL (or /N-CL) is ON, either the torque limit by analog voltage reference or the setting in Pn404 (or
Pn405) will be applied as the torque limit, whichever is smaller.
The following chart shows when the torque limiting externally using an analog voltage reference.
Note: This function cannot be used during torque control since the torque limit by analog voltage reference is input from
T-REF (CN1-9, 10).
Type Signal Name
Connector
Pin Number
Name
Input
T-REF CN1-9 Torque reference input
SG CN1-10 Signal ground for torque reference input
Pn415
T-REF Filter Time Constant
Classification
Setting Range Setting Unit Factory Setting When Enabled
0 to 65535 0.01 ms 0 Immediately Setup
Speed
Position
Torque
Parameter Meaning When Enabled Classification
Pn002 n.3
Speed control option: When /P-CL or /N-CL is
enabled, the T-REF terminal is used as the external
torque limit input.
After restart Setup
Torque limit
value
Speed
reference
+
+
+
-
T-REF
V-REF
Pn404
(/P-CL: ON)
Pn402
Pn405
Reverse external torque limit value
(/N-CL: ON)
Pn100
Pn403
Integral
time
constant
Speed loop
gain
Speed feedback
Torque
reference
/N-CL
/P-CL
SERVOPACK
T-REF filter
Torque reference
input gain
Pn400 Pn415
Forward
torque
limit value
Forward
external torque
limit value
Reverse torque limit value
Pn300
Speed
reference
input gain
Pn101
(See 5.5.1.) (See 6.9.2.)
(See 5.3.1.)
(See 5.8.1.)
(See 5.8.1.)
(See 5.8.1.)
(See 5.8.1.)