4-38
Torque Limits: L7
* A setting value of 100% is equal to the motor rated torque.
Param-
eter
Num-
ber
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Regis-
ter
Page
V/f
Open
Loop
Vector
Closed
Loop
Vector
Display
L7-01
Forward
drive
torque limit
Sets the torque limit value as a per-
centage of the motor rated torque.
Four individual regions can be set.
0 to
300
200%* No No A A 4A7H 5-37
Torq Limit
Fwd
L7-02
Reverse
drive
torque limit
0 to
300
200%* No No A A 4A8H 5-37
Torq Limit
Rev
L7-03
Forward
regenera-
tive torque
limit
0 to
300
200%* No No A A 4A9H 5-37
Torq Lmt
Fwd Rgn
L7-04
Reverse
regenera-
tive torque
limit
0 to
300
200%* No No A A 4AAH 5-37
Torq Lmt
Rev Rgn
L7-06
Torque
limit time
constant
Sets the torque limit integration time
constant
5 to
10000
200 ms No No A No 4ACH -
Torque
Limit Time
L7-07
Torque
Limit Oper-
ation dur-
ing accel/
decel
Sets the torque limit operation during
acceleration and deceleration.
0: P-control (I control is added at
constant speed operation)
1: I-control
Normally changing this setting is not
necessary.
If the torque limitation accuracy dur-
ing accel/decel. has preference, I con-
trol should be selected. This may
result in an increased accel./decel.
time and speed deviations from the
reference value.
0 or 1 0 No No A No 4C9H -
Torque
Limit Sel
Output torque
Positive torque
Revers
e
Negative
No. of
motor
rotations
Regenera-
tive state
Regenera-
tive state
For-
ward
http://nicontrols.com
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