Eaton SLX9000 - Figure 9-30: 3-Pump Autochange System, Principal Control Diagram; Figure 9-31: Example of 3-Pump Autochange, Main Diagram

SLX9000 Adjustable Frequency Drives User Manual
MN04003020E
For more information visit: www.eaton.com 9-43
January 2009
Figure 9-30: 3-Pump Autochange System, Principal Control Diagram
Figure 9-31: Example of 3-Pump Autochange, Main Diagram
230V AC
Drive
OPTB5
22
24V DC DIN2
68
23
M ains
A
O
S1
K3 K2
K2
K1.1 K1
K1
M1/Drive M1/Mains
K3
K1.1
25
DIN3
9
26
M ains
A
O
S2
K3 K1
K2
K2.1 K2
K2
M2/Drive M2/Mains
K3
K2.1
28
10V
AI1
10
29
M ains
A
O
S3
K1 K2
K2
K3.1 K3
K3
M3/Drive M3/Mains
K1
K3.1
M
3~
U
M1
V W
PE
U
F3
PE
L1
L2
L3
Q1
Drive
V
W
L1 L2 L3
K1
K1.1
K2
F1
M
3~
U
M2
V W
PE
K2.1
F2
M
3~
U
M2
V W
PE
K3.1
K3
F2