Operating Instructions

SINAMICS G120 CU230P-2 Control Units List Manual, 04/2018, A5E33838102
737
3 Function diagrams
3.16 Signals and monitoring functions
Fig. 3-165 8017 – Motor temperature model 1 (I2t)
- 8017 -
Function diagram
87654321
fp_8017_97_59.vsd
Signals and monitoring functions
G120 CU230P-2
13.03.2018 V4.7_10
Motor temperature model 1 (I2t)
0
1
0
1
[8016.4]
<1>
[8016.6]
<2>
Motor temperature model 1 (I2t)
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
–40 K
· 100 [%]
model
For Synchronous reluctance motor: p0318. The lower p0611 and the lower the reference current of the thermal motor model 1 (I2t), the faster A07012 is reached.
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
Mot T_ambient
p0625
r0034
Mot_util therm [%]
p0612.0 (0)
1 = Activate motor temperature model 1 (I2t)
Mot temp response
p0610
<5>
If p0610 = 12.
<3>
1
0
p0612.8
1 = Activate motor temperature
model 1 expansions
I2t F thresh
p0615
F thresh
p5391
1
0
p0612.8
1 = Activate motor temperature
model 1 expansions
Mod1/2/sens T_thr
p0605
A thresh
p5390
1
0
Mod1/2/sens T_thr
p0605
Mot T_over stator
p0627
Standst boost_fact
p5350
Mod T_winding [°C]
r0632 [M]
1
0
p0612.12
1 = Motor temperature model 1 (I2t)
Threshold value
Threshold value
– p0613
– p0613
· 100 [%]
model
Threshold value
<6>
<6>
Only if p0612.8 = 1.
<5>
<4>
<3>
<2>
<1>
Only for:
- Permanent-magnet synchronous motor (PMSM)
- Reluctance synchronous motor (RESM)