Diagnostics
Actual signal
0102 SPEED
Speed control performance figures
The table below shows typical performance figures for speed control.
Speed
No pulse
control
encoder
Static
20% of motor
accuracy
nominal slip
Dynamic
< 1% s with
accuracy
100% torque
step
Torque control performance figures
The drive can perform precise torque control without any speed feedback from the
motor shaft. The table below shows typical performance figures for torque control.
Torque
No pulse
control
encoder
Non-linearity
± 5% with
nominal
torque
(± 20% at the
most
demanding
operating
point)
Torque step
< 10 ms with
rise time
nominal
torque
With pulse
encoder
2% of motor
nominal slip
< 1% s with
100% torque
n
step
T
n
n
T
(%)
T
N
100
With pulse
90
encoder
± 5% with
nominal
torque
< 10 ms with
10
nominal
torque
T
T
Program features 143
T
(%)
T
N
T
load
100
-n
act
ref
n
N
= rated motor torque
N
= rated motor speed
N
= actual speed
act
T
ref
T
act
< 5 ms
= rated motor torque
N
= torque reference
ref
t (s)
Area < 1% s
t (s)