Vacon NX series - Page 199

22
23
DIN2
A
O
Mains
A
O
Mains
25
26
230 VAC
S1
K1
K1.1
K1.1
K2
K2
K1
VACON OPT-B5
K1
K2
K2
K2.1
M1/Vacon M2/Vacon M3/Vacon M2/mainsM1/mains
24 VDC
S2
K3
K3
K2.1
K1
K3
DIN3
K3
28
29
A
O
Mains
S3
K3
K3.1
K3.1
K2
K2
K3
K1
K1
DIN4
10
12 9 14
VACON OPT-B5
VACON OPT-A1
VACON OPT-A1
VACON OPT-A1
M3/mains
Fig. 22: Pump autochange system, principal control diagram
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