Torque Control - Omron VARISPEED F7 User Manual

Torque Control

With Closed Loop Vector control the motor's output torque can be controlled by a torque reference from an
analog input. Torque control can be enabled by setting parameter d5-01 to 1 or 2.
Related Parameters
Parameter
No.
d5-01 Torque control selection
d5-02 Torque reference delay time
d5-03 Speed limit selection
d5-04 Speed limit
d5-05 Speed limit bias
d5-06 Speed/torque control switching timer
Multi-function Digital Inputs (H1-01 to H1-05)
Set
Value
71 Speed/torque control change (ON: Torque control)
78 Polarity reverse command for external torque reference
Multifunction Outputs (H2-01 to H2-03)
Set
Value
31 During speed limit
Activated if the speed control circuit (ASR) is operating for torque control. The ASR output becomes
32
the torque reference. The motor is rotating at the speed limit.
Multi-Function Analog Input (H3-09)
Set
Value
0 Add to terminal A1
13 Torque reference/torque limit at speed control
14 Torque compensation
Monitors
Parame-
ter Name
Number
Torque refer- Monitor in internal torque refer-
U1-09
ence ence value for vector control.
Name
Function
Function
Function
Output Signal Level at Analog
Description
Output
10 V: Motor rated torque
(0 to ± 10 V possible)
Control Methods
Change
Factory during
V/f with
Setting Opera-
V/f
PG
tion
0 No No No
0 ms No No No
1 No No No
0% No No No
10% No No No
0 ms No No No
Control Methods
V/f
V/f with
PG
No No
No No
Control Methods
V/f
V/f with
PG
No No
No No
Control Methods
V/f
V/f with
PG
Yes Yes
No No
No No
Control Methods
Min.
V/f
Unit
V/f with
PG
0.1% No No
Open Closed
Loop Loop
Vector Vector
No A
No A
No A
No A
No A
No A
Open Closed
Loop Loop
Vector Vector
No Yes
No Yes
6
Open Closed
Loop Loop
Vector Vector
No Yes
No Yes
Open Closed
loop Loop
Vector Vector
Yes Yes
No Yes
No Yes
Open Closed
Loop Loop
Vector Vector
Yes Yes
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