Siemens SINAMICS G220 - Page 628

- 8021 -
1
Signals and monitoring functions Thermal monitoring, power unit
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
ϑ
Rated power unit
current [Arms]
r0207[0..2]
Pulse frequency
setpoint [kHz]
p1800 [D] (4.000)
r0036[0..2]
Power unit overload [%]
r0037[0..10]
Power unit temperatures [°C]
Max
0
1
0
1
0
1
0
1
100 %
–
+
Min
Power unit temperature alarm threshold [°C]
p0292[0..1] (5)
Power unit
overload response
p0290 (2)
1
[6714.8]
I2t model
power unit
Temperature measurement
T
max
-
heatsink
Maximum power unit temperature
Faults "Power unit overtemperature" F30004 "heat sink AC inverter" F30024 "thermal model" F30025 "chip" F30035 "air intake" F30036 "internal" F30037 "rectifier" F30067 "capacitor air discharge"
Alarms "Power unit overtemperature" A30034 "internal" A30066 "capacitor air discharge" A30250 "heat sink AC inverter" A30251 "rectifier" A30252 "chip" A30253 "thermal model"
Overload response Fault "Power unit undertemperature" F30068 "inverter heat sink" Alarms "Power unit overload" A30256 "I2t (AC)" A30257 "I2t (DC)" A30267 "Active power"
r2135 r2135.15
1 = Alarm power unit thermal overload
1
[2549.4]
[8021.7]
r2135 r2135.13 1 = Fault power unit thermal overload
[2549.4]
Power unit
95 %
r0068[0]
Absolute current actual
value Unsmoothed [Arms]
r2135 r2135.7
1 = No alarm thermal power unit overload
1
[2549.4]
Faults "Power unit overload" [8021.4] F30005 "I2t (AC)" F30258 "I2t (DC)" F30268 "Active power"
Fault "Power unit overload"
[8622.8]
Warning "Infeed overtemperature"
[8622.8]
Alarm "Infeed overtemperature"
Only for Clean Power infeed.
<1>
<1>
For p0290 = 2/12 and p0212.9 = 1, the following applies: For an overload condition, the infeed can reduce the maximum power unit output current. The reduced current can be read out of r0289.
Figure14-204 8021 - Thermal monitoring power unit
Functions
14.11Drive functions
SINAMICS G220 converter
626 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB