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SINAMICS G120C
List Manual (LH13), 04/2014, A5E33840768B AA
439
3 Function diagrams
3.16 Signals and monitoring functions
Fig. 3-103 8017 – Thermal motor models
- 8017 -
Function diagram
87654321
fp_8017_97_05.vsd
Signals and monitoring functions
SINAMICS G120C
07.04.2014 V4.7
Thermal motor models
<1>
0
1
0
1
[8016.4]
<1>
[8016.6]
<2>
<2>
Motor temperature model 1
(I2t)
(for synchronous motor only)
A07012
"Motor temperature model 1/3 overtemperature"
Only if there is a temperature sensor (p0601 > 0).
Only if <1> are not met.
r0035
Mot temp [°C]
model
not smoothed
r0068
I_act abs val [Arms]
[0]
– 40 K
p0605 – 40 K
x 100 [%]
model
<3>
The lower p0611 and the lower the reference current of the thermal motor model 1 (I2t), the faster A07012 is reached.<3>
<4> p0605 also defines the target temperature for p0034 = 100 %.
Therefore, p0605 has no influence on the time up to alarm A07012.
<4>
Mot I_rated
p0305
I2t mot_mod T
p0611
I2t F thresh
p0615
Mot T_ambient
p0625
r0034
Mot_util therm [%]
Mod 1/2 threshold
p0605
[8016.1]
p0612.0 (0)
1 = Activate motor temperature model 1 (I2t)
p0612.1 (1)
1 = Activate motor temperature model 2
Mot T_ambient
p0625
Mot weight th mod
p0344
Mod T_winding [°C]
r0632 [D]
Calculated motor temperaturesRated motor temperature rise
Motor temperature model 2
(for induction motor only)
<5> If p0610 = 12.
Mot temp response
p0610
<5>
Mot temp response
p0610
<5>
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