Siemens SIMOREG DC Master 6RA7018-6DS22 - Page 194

Function diagrams 02.00
8-14 SIEMENS AG 6RX1700-0AD76
SIMOREG DC Master 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 (0)
B
U661 (0)
U662 (0)
U663 (0) U664 (0)
U665(10,00%) U666(25,00%) U667(40,00%) U668(100,00%)
K0510
U665
U666
U667
U668
Evaluation of a 4-step master switch
Travel command 1 Travel command 2
Setpoint step S2 Setpoint step S3 Setpoint step S4
Setpoint of the 4-position
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 steps
Input signals = Control commands from the master switch = Activation of the setpoint steps