Operating Instructions

SINAMICS G120 CU230P-2 Control Units List Manual (LH9), 04/2014, A5E33838102B AA
573
3 Function diagrams
3.9 Setpoint channel
Fig. 3-67 3050 – Skip frequency bands and speed limitations
- 3050 -
Function diagram
87654321
fp_3050_97_51.vsd
Setpoint channel
G120 CU230P-2
07.04.2014 V4.7
Skip frequency bands and speed limitations
[3040.8]
y
Max
-1
Min
<2>
1
0
0
Reference value for the ramp-
function generator
Limiting to negative
values
Maximum
limiting
active
[3080.4]
A skip speed of "0" deactivates the skip band.
r1114
Setp after limit [rpm]
n_limit neg
(1086[0])
p1088 [C]
n_limit pos
(1083[0])
p1085 [C]
r1112
n_set aft min_lim [rpm]
r1084
n_limit pos eff [rpm]
r1087
n_limit neg eff [rpm]
<1> <1><1>
-1 -1 -1 -1
y
x
-1
<1>
The setting range of p1082 is limited to n_max_mot.
If the drive is not stopped via the input setpoint, but via controlled intervention, the lower hysteresis branch is
relevant after a subsequent run-up.
n_limit RFG pos
(1083[0])
p1051 [C]
n_limit RFG neg
(1086[0])
p1052 [C]
0
0
r1119
RFG setp at inp
[rpm]
[6030.1]
[6640.5]
[8010.2]
[3020.6]
[3070.4]
[3070.1]
[6300.1]
[8020.1]
[6030.1]
[6640.5]
[8010.2]
n_min s_src
(0)
p1106 [C]
Max
n_min [rpm]
p1080 [D] (0.000)
n_skip 2 [rpm]
p1092 [D] (0.000)
n_skip 4 [rpm]
p1094 [D] (0.000)
n_skip 3 [rpm]
p1093 [D] (0.000)
n_max [rpm]
p1082 [D] (1500.000)
n_limit neg [rpm]
p1086 [D] (-210000.000)
n_skip scal
(1)
p1098 [C]
n_skip 1 [rpm]
p1091 [D] (0.000)
<1>
w = p1101[D]
<3>
w
w
w
w
w
w
w
w
1
0
r1170
n_ctrl setp sum [rpm]
n_limit pos [rpm]
p1083 [D] (210000.000)
r1099.0
<2>
<3>
[3080.8]
effective
minimum speed
Skip speed
bandwidth
1 = r1170 within the
skip band