Firmware Manual

Chapter 6—Multi-Pump and Fan Control Application
PowerXL DG1 Series Adjustable Frequency Drives MN040004EN—March 2014 www.eaton.com 48
Figure 30. Two-Pump Autochange System Principal Control Diagram
230 Vac
26
27
RO1
DG1 Control Board
24 Vdc
13
3NID
17 DIN2
29
30
RO2
Autom. Line
0
S1
Autom. Line
0
S2
16
K2
K2
K1
K1 K1.1
K1.1
K1
K2
K2
K2 K2.1
K2.1
M2/DG1 M2/LineM1/DG1 M1/Line