Lenze EVF8212-EV020 - Pump Application with Level Control

Commissioning
5-20 821XKlimaBA0399
5.6.3 Pump application with level control
M 3
w
v
u
Z
1
*
K
1
F
1
Z
2
*
L
1
L
2
L
3
7 8
RUN
PRG
STP
SH
+ -
39 E
1
8279
X1
L
W
V
U
-U
G
+U
G
L
1
L
3
L
2
Water level set-value 0 -10V, 0/4 - 20mA
Delivery pump
Level sensor 0-10 V, 0/4-20 mA
Incoming water
Outgoin
g
water
Water tank
K35.82K003
FIG 5-3 Application of a pump with level control
*Z1 Mains filter required for radio interference level A or B.
*Z2 Motor filter required for motor cables: screened as from50 m, unscreened as from100 m.
Sine filter required for motor cables: screend as from100 m, unscreened as from 200 m.
Screen all signal and motorcables. The pressure setpoint cannot onlybe selected via a fieldbus but alsovia the operating
unit8201 BB(installationupto10mdistancepossible)orananaloginput signal (with module 8279).Forstandardisation
oftheprocessvalueseechapter5.5.1.
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