Siemens SINAMICS DCM Manual página 804

Mot rated I_armat
Ia_rated motor/device
0.0...20000.0 [A]
p50100[D] (0.0)
Red Ia rated [A]
r50072[1]
Positive current limit
Ia lim M d I fact
0.0...300.0 [%]
p50171[D] (100.0)
I_lim I_lim M d I
p50603[0...6]
[0](1)
[1](1)
[2](1)
[3](1)
[4](1)
[3100.8]
[5](r52002)
[3100.8] [6](r52002)
-1
-1
-1
n_lim set sig s
p50601[2...3]
[6835.7] [2](r52134)
+
[3](0)
+
Negative current limit
Ia lim M d II fact
-300.0...0.0 [%]
p50172[D] (-100.0)
I_lim I_lim M d II
p50604[0...6]
(r52135[0])
(r52135[1])
(r52135[2])
(r52135[3])
(r52135[4])
(r52135[5])
(r52135[6])
1 2
DO: DC_CTRL
Armature circuit control - Current limitation (part 1)
[6840.3]
[3130.8]
[3125.8]
[2580.8]
[2580.8]
Min
Min
Min
Ia lim def M d II [%]
-1
r52135[0]
-1 r52135[1]
-1 r52135[2]
-1
r52135[3]
r52135[4]
r52135[5]
r52135[6]
Set bef lim w add [%]
r52133 [8042.1]
Set b lim w/o add [%]
[6830.4] r52147
Ia_rated motor/device
[6840.3]
Max
Max
Max
3 4
Creep ON
Ia lim I2t sig s
r53170.9
p50366[1]
Jog ON
[8040.8] (r52130)
r53170.8 1
ON / OFF1 Ia lim n sig s
r0898.0 p50366[0]
[8040.7] (r52129)
OC / OFF3
r0898.2
&
[6840.7] +OL
PU I2t mon derat
0.50...1.00
p50077 (1.00)
0
1
Device Ia rated [A]
r50072[0]
Red Ia rated [A]
r50072[1]
0
1
1
2Q/4Q device
[6960.5]
0
PU I2t mon derat
M_lim OFF1 & OFF3
0.50...1.00
p50174 (1)
p50077 (1.00)
[6840.7] íOL
0
1
5
fp_6840_13_eng.vsd
30.11.18 V01.05.00
<3>
Min
<2>
<1>
K
Min
<1>
-1
K
OL
[6840.6]
OL1
OL1 = 100 % for p50075 = 0.
180 % for p50075 > 0.
Armature current controller setpoint
before current limitation
4Q PU
r53149.0
0
0 %
Max
1
K
<1>
Number of power units
K =
Number of active power units
<1> Correction factor K for redundancy mode (p51803).
<2> Intervention by speed-dependent current limitation.
<3> Intervention by I2t monitoring of power unit.
6 7
Function diagram
SINAMICS DCM
2000 μs
[1721]
Ia lim pos min [%]
r52131
[3152.6]
[6845.2]
[6845.2]
Ia lim neg max [%]
r52132
[3152.6]
[6845.2]
8
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