Siemens SINAMICS DCM Manual página 821

If_li up li sig s
p50613[0...4]
[0](1)
[1](1)
MIN
[2](1)
[3](1)
[4](1)
Red If_rated [A]
r50073[1]
If_lim set sig s
p50611[0...3]
[6900.8] [0](r52277)
+
[1](0)
+
[2](0)
+
+
[3](0)
If_lim I lim sig s
p50614[0...4]
[0](1)
[1](1)
MAX
[2](1)
[3](1)
[4](0)
Red If_rated [A]
r50073[1]
1 2
DO: DC_CTRL
Field circuit control - Field current setpoint limitation
Mot rated I_exc
0.00...600.00 [A]
p50102[D] (0.00)
Minimum
If_lim up lim [%]
r52273
Pos If_lim reached
Field current
r53193.0
setpoint limitation
Neg If_lim reached
r53193.1
If lim outp [%]
r52276
If_lim low lim [%]
r52274
Maximum
0 %
Mot I_exc min
0.00...600.00 [A]
p50103[D] (0.00)
3 4
If freeze op_mode
0...2
p50269 (2)
Where operating state • o10 or defective tachometer:
Upper set point limit = "old" p52265
(i.e. no increase in field current is permitted).
Where operating state ” o5:
Upper setpoint limit = 200 %.
[6900.8]
If_lim outp lim [%]
r52275 [6910.1]
[6900.8]
5 6
fp_6905_13_eng.vsd
30.10.18 V01.05.00
8000 μs
[1721]
If_ctr act [%]
r52265 [6910.3]
Op_display
r50000
[2651.5]
Defective tachometer
[8046.3]
7 8
Function diagram
- 6905 -
SINAMICS DCM