Lenze 8200 Frequency inverters Manual de usuario Pagina 280

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Application examples
8200SHB0199
15-1
15 Application examples
15.1 Pump application with pressure control
K14
K12
K11
Ctrl.
enable
Down
JOG
L
M
3~
Frequency inverter 8210/8220/8240
Pressure setpoint
e.g. from PC/PLC/
keypad
Fault message
e.g. PLC
Analog display for
actual pressure
Actual pressure
-
+
p
Pressure sensor
0 ... 10 V, 0/4 ... 20 mA
(external aux. energy/
supply required
Pump
W
K35.0144_gba
V
U
Z1
K1
F1
Z2
L1L2L3
Up
H/RE
28
E1
E3
E2
E4
20
62
7
8
9
X1
2101
W
V
U
G
-U
G
+U
L1
L2
L3
PE
FIG 15-1 Application of a pump with pressure control
Z1 Mains filterrequired for radiointerference level Aor B. For mainschokes see chapter 3.4 ff.
Z2 Motor filter/sine filter required for long motor cables or motors not designed for inverter operation
(see chapter4.2.7.2).
Shield all signal and motor cables. Please observe the corresponding installation instructions given in chapters 4.2
and 4.3.
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