Delta Electronics AC Motor Drive VFD-VE Series - Manual (Page 166)

Chapter 4 Parameters|
Revision August 2008, 03VE, SW V2.04 4-117
07-28 Torque Offset Setting Unit: 0.1
Control
mode
SVC FOCPG TQRPG
Factory Setting: 0.0
Settings 0.0 to 100.0%
This parameter is torque offset. The motor rated torque is 100%.
07-29 High Torque Offset Unit: 0.1
Control
mode
SVC FOCPG TQRPG
Factory Setting: 30.0
Settings 0.0 to 100.0%
07-30 Middle Torque Offset Unit: 0.1
Control
mode
SVC FOCPG TQRPG
Factory Setting: 20.0
Settings 0.0 to 100.0%
07-31 Low Torque Offset Unit: 0.1
Control
mode
SVC FOCPG TQRPG
Factory Setting: 10.0
Settings 0.0 to 100.0%
When it is set to 3, the source of torque offset will decide to Pr.07-29, Pr.07-30 and Pr.07-31
by the multi-function input terminals setting (31, 32 or 33). The motor rated torque is 100%.
07-32 Forward Motor Torque Limit Unit: 1
07-33 Forward Regenerative Torque Limit Unit: 1
07-34 Reverse Motor Torque Limit Unit: 1
07-35 Reverse Regenerative Torque Limit Unit: 1
Control
mode
FOCPG TQRPG
Factory Setting: 200
Settings 0 to 500%
The motor rated torque is 100%. The settings for Pr.07-32 to Pr.07-35 will compare with Pr.03-
00=7, 8, 9, 10. The minimum of the comparison result will be torque limit as shown in the
following figure.
According to the formula of motor rated torque:
) / (
) (
) . (
s rad W
P
M N T
ω
=
, where P(ω) is Pr.05-
02 and W(rad/s) is Pr.05-03. s rad
RPM
/
2 60
=
× π