Siemens SIMOTRAS 6SG7050 - Page 162

Function diagrams 01.04
8-20 SIEMENS AG 6SG7000-0BA76
SIMOTRAS HD Operating Instructions
Sheet G125 Evaluation of a 4-step master switch
87564321
- G125 -
SR
SL S2 S3 S4
SL / SR S2 S3 S4
n4 n3 n2 n1
0
1 0
1 0
1 0
0%
1 0
1 0
=1
∗ -1
B B B B
U660 (9063)
B
U661 (9064)
U662 (18)
U663 (20)
U664 (9083)
U665(10,00%) U666(25,00%) U667(40,00%) U668(100,00%)
K0510
U665
U666
U667
U668
Evaluation of a 4-stage master switch
Travel command 1 Travel command 2
Setpoint stage S2 Setpoint stage S3 Setpoint stage S4
Setpoint of 4-stage
master switch
Slow
Medium Fast Full
e.g. 20%
e.g. 50%
e.g. 80%
e.g. 100%
Output signal = K510
Speed setpoint in 4 stages
Input signals = Control commands from master switch = Activation of setpoint stages