Procedure
1. Set p1400.18 = 1
2. Check: p1496 ≠ 0
3. Activate the acceleration model of the speed controller pre-control: p1400.20 = 1.
You have activated the moment of inertia estimator.
❒
Parameter
The most important settings
Parameter Description Factory setting
r0333[M] Rated motor torque - Nm
p0341[M] Motor moment of inertia 0 kgm²
p0342[M] Ratio between the total and motor moments of inertia 1
p1400[D] Speed control conguration 0000 0000 0000
0000 1000 0000
0010 0001 bin
r1407.0…27 CO/BO: Status word, speed controller -
r1493 CO: Total moment of inertia, scaled - kgm²
p1496[D] Acceleration precontrol scaling 0%
p1498[D] Load moment of inertia 0 kgm²
p1502[C] BI: Freezing the moment of inertia estimator 0
p1755[D] Motor model changeover speed encoderless operation 210000 rpm
Advanced settings
Parameter Description Factory setting
p1226[D] Speed threshold for standstill detection 20 rpm
p1560[D] Moment of inertia estimator accelerating torque threshold
value
10%
p1561[D] Moment of inertia estimator change time moment of inertia 500 ms
p1562[D] Inertia estimator, change time, load 10 ms
p1563[D] CO: Moment of inertia estimator load torque positive direc‐
tion of rotation
0 Nm
p1564[D] CO: Moment of inertia estimator load torque negative direc‐
tion of rotation
0 Nm
p5310[D] Moment of inertia precontrol conguration 0000 bin
r5311[D] Moment of inertia precontrol status word -
p5312[D] Moment of inertia precontrol linear positive 0 s²
p5313[D] Moment of inertia precontrol constant positive 0 kgm²
p5314[D] Moment of inertia precontrol linear negative 0 s²
p5315[D] Moment of inertia precontrol constant negative 0 kgm2
Advanced commissioning
8.19 Motor control
Distributed converter for SIMOGEAR geared motors
Operating Instructions, 10/2020, FW V4.7 SP13, A5E31298649B AL 307