Icon Process Controls Level Pro UltraPro 500 Series Instruction Manual page 12

ULTRAPRO 500 MANUAL
Ultrasonic level meters
Fig. 26: Connection diagram of the level meter
with an RS–485 output (variant –M)
Fig. 27: Connection diagram of the ULS sensor
(two-state current
Fig. 28: Connection diagram of the ULS sensor with P
type output (PNP) with an open collector
legend:
BK – black
BU – blue
BN – brown GN – green
Wiring operations shall only be carried out without voltage!
Taking into account the potential occurrence of electrostatic discharge on nonconducting parts of the
level meter, it is necessary to ground the flange of level meters UPS–53Xi–20–F and sensors
UPS–53Xi–20–F, located in an explosive atmosphere, using a ground terminal!
It is also necessary to design and take measures to reduce the effects of static electricity to a safe level
in the wiring.
Installation in explosive atmospheres needs to be carried out in compliance with EN 60079-14 (Electrical
installations for explosive gaseous atmospheres – Part 14: Electrical installations in dangerous areas
other than mining) and possibly also in compliance with other standards relating to the area concerned.
The supply source should be preferably designed as a stabilized source of safe voltage 18 V to 36 V DC
(max. 30 V DC for version Xi), which is part of the downstream processing or display system. In case of
strong ambient electromagnetic disturbance, parallel run of the input cable with the power line or its
length exceeding 30 m, we recommend using a shielded cable.
with S type output
switch 4 mA / 20 mA)
BN (1)
+U
BK (3)
BU (2)
0V
WH – white
YE – yellow
Type UPS-500_–_ _–_–M–B(H)–_
Level meters are
connection to the PLC input (RS–485).
The positive supply
connected to the brown wire of the
connected cable, the negative pole is
connected to the blue wire of the
connected cable. Terminals A and B of
line RS-485 are connected to the yellow
and green communication wires. The
ground terminal of line RS-485 is
connected to cable shielding.
Type UPS-500_–_ _–_–S–B(H)–_
The positive supply
connected to the brown wire of the
connected cable, the negative pole is
connected to the blue wire of the
connected cable.
Type UPS-500_–_ _–_–P–B(H)–_
The positive supply
connected to the brown wire of the
connected cable, the negative pole is
connected to the blue wire of the
connected cable. Load is connected to
the black wire of the cable.
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R
designed for
pole +U is
pole +U is
pole +U is