Eaton SLX9000 - Figure 9-32: 2-Pump Autochange System, Principal Control Diagram; Figure 9-33: Example of 2-Pump Autochange, Main Diagram

SLX9000 Adjustable Frequency Drives User Manual
MN04003020E
For more information visit: www.eaton.com 9-45
January 2009
Figure 9-32: 2-Pump Autochange System, Principal Control Diagram
Figure 9-33: Example of 2-Pump Autochange, Main Diagram
230V AC
OPTA2
OPTAA
22
RO1
24V DC DIN2
12 9
23
M ains
A
O
S1
K2
RO1
K2
K1.1 K1
K1
M1/Drive M1/Mains
K1.1
25
DIN3
10
26
M ains
A
O
S2
K1
K1
K2.1 K2
K2
M2/Drive M2/Mains
K2.1
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