Lenze 8200 Frequency inverters - Manual (Page 283)

Application examples
8200SHB0199 15-4
15.2 Pump application with level control
M
3~
Water level setpoint
0 ... 10 V, 0/4 ... 20 mA
Delivery pump
W
V
U
Z1
K1
F1
Z2
L1 L2 L3
7
8
+
K35.0145_gba
-
39
E1
20
28
Ctrl.
enable
8279
Intake
Outlet
Water reservoir
X1
RUN
PRG
STP
SH
L
Pressure sensor
0 ... 10 V, 0/4 ... 20 mA
(external aux. energy/
supply required
W
V
U
G
-U
G
+U
L1
L2
L3
PE
FIG 15-2 Application of a pump with level control
Z1 Mains filter required for radio interference level A or B. For mains chokes see chapter 3.4 ff.
Z2 Motor filter/sine filter required for long motor cables or motors not designed for inverter operation
(see chapter 4.2.7.2).
Shield all signal and motor cables. Please observe the corresponding installation instructions given in chapters 4.2
and 4.3.
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