Burkert Type 8025 User Manual Page 30

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30
Wiring
Type 8025 / 8035
Wire the transistor output using one of the wiring plans of "Fig. 21".
Wiring of the pulse output in NPN mode
300 mA
+
-
12-36 V DC
(*)
+
-
1
3
2
L+
L-
P+
P-
8025:
NPN
P+
P-
+
-
5-36 V DC
Power supply
PLC
Wiring of the pulse output in PNP mode
+
-
300 mA
+
-
12-36 V DC
(*)
1
3
2
L+
L-
P+
P-
8025:
PNP
P+
P-
+
-
5-36 V DC
Power supply
PLC
(*) If direct earthing is not possible, insert a 100 nF / 50 V condensator between the negative terminal of the voltage supply and the earth.
Fig. 21: Wiring of the pulse output in NPN or PNP mode, of a compact version with male fixed connector
8.3. Configuring the selectors
Only move the selectors when the power supply is off.
Before wiring the device, configure the selectors on the electronic board: see chap. "8.3.1" to "8.3.3".
8.3.1. FLOW SENSOR selector
The FLOW SENSOR selector makes it possible to configure the type of flow sensor: coil or Hall.
For the version with male fixed connector, the selector is factory-set depending on the output signal of the flow
sensor mounted on the device.
Supply
12..36Vdc
FLOW SENSOR
COIL NPN
L+
L-
PE
P-
P+
NC
L+
L-
PE
P-
P+
Iout
PULSE
OUTPUT
Without
With
Relays
FLOW SENSOR
COIL NPN
PE
Fig. 22: Position of the FLOW SENSOR connector on the electronic board
Tab. 4: Positioning of the FLOW SENSOR selector depending on the output signal of the flow sensor
Version of the flowmeter Output signal of the remote sensor Position of the FLOW SENSOR selector
All Pulse, NPN (hall) NPN
All Sinus (coil) COIL
8.3.2. SOURCE/SINK selector
The Source/Sink selector makes it possible to set the 4-20 mA current output of the versions with relays, in sourcing or in
sinking mode. Set the selector depending on the type of wiring.
Supply
12..36Vdc
FLOW SENSOR
COIL NPN
SOURCE SINK
L+
L-
PE
P-
P+
NC
L+
L-
PE
P-
P+
Iout
PULSE
OUTPUT
Without
With
Relays
SOURCE SINK
Without
Relays
PE
Fig. 23: Position of the Source / Sink selector
English
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