Siemens SINAMICS G220 - Page 634

- 8017 -
1
Signals and monitoring functions Motor temperature model 1 (I2t)
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
<4>
Rated motor current [Arms]
p0305 [M] (0.00)
I2t motor model thermal time constant [s]
p0611 [M] (0)
Motor overtemperature, stator
winding [K]
p0627 [M] (80)
Mot_temp_mod 1/2 sensor threshold
and temperature value [°C]
p0605 [M] (145.0)
Mot_temp_mod 1/3 alarm threshold [°C]
p5390 [M] (110.0)
Mot_temp_mod 1/3 fault threshold [°C]
p5391 [M] (120.0)
Motor overtemperature response
p0610 [M] (12)
Motor ambient temperature during commissioning [°C]
p0625 [M] (20)
Mot_temp_mod 1/3 ambient temperature [°C]
p0613 [M] (20)
Motor temperature model 1 (I2t)
1 = Activate mot_temp_mod 1 (I2t)
p0612.0 [M]
<5>
<3>
· 100 [%]
p0627
- p0613ϑ
model
Only for: - Permanent-magnet synchronous motor (PMSM) - Reluctance synchronous motor (RESM)
ϑ
model
0
1
0
1
2 K 2 K
A07012
"Motor temperature model 1/3
overtemperature"
[8016.6]
Mot_temp_mod stator winding temperature [°C]
r0632 [M]
Only if there is a temperature sensor (p0600 and p0601 > 0).
<3> <2> <1>
Only if <1> are not met. The lower p0611 and the lower the reference current of the thermal motor model 1 (I2t), the faster A07012 is reached.
p0605 or p5390 also define the target temperature for r0034 = 100 %. Therefore, the treshold value has no influence on the time up to alarm A07012.
<5> If p0610 = 12.
<1>
<2>
<2>
<4>
[8016.1]
r0034
Motor utilization thermal [%]
r0035
Motor temperature [°C]
Fault OT
r0068[0]
Absolute current actual value Unsmoothed [Arms]
Figure14-205 8017 - Motor temperature model 1 (I2t)
Functions
14.11Drive functions
SINAMICS G220 converter
632 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB