Wiring of the relays (versions with relay output), English, Power supply 4-20ma input at external instrument – Burkert Type 8025 User Manual
Page 32: 20ma input at external instrument power supply

32
Wiring
Type 8025 / 8035
8.4.2. Wiring of the relays (versions with relay output)
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
+
-
+
-
2
1
3
PE
Load 1
Load 2
•	 1:	relay	1	connection	
•	 2:	relay	2	connection	
•	 3:	fixation	slots
→
Always	secure	the	relays	connection	cables	in	the	slots	
marked	3	(see	"Fig.	25").
Fig. 26: Wiring of the relays
8.4.3. Wiring the 8025 compact version and the 8035, 12-36 V Dc, without
relays, with cable glands
→
Before wiring the device, configure the selectors on the electronic board (see chap. "8.3").
Supply
12..36Vdc
FLOW SENSOR
COIL
NPN
L+
L-
PE
P-
P+
NC
L+
L-
PE
P-
P+
Iout
PULSE
OUTPUT
Without
With
Relays
PE
3
2
1
A
Switch A : see chap. "8.3.1"
terminal	block	1
NC:	not	connected
L+:	positive	power	supply
L-:	negative	power	supply
PE:	wiring	of	the	PE	between	the	main	board	and	the	protection	
board
P-:	negative	pulse	output
P+:	positive	pulse	output
terminal	block	2	pe
Wiring	of	the	cable	shields
connector 3: connection of the flow sensor
Fig. 27: Terminal assignment of a 12-36 V DC compact version without relays, with cable glands
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
300 mA
+
-
12-36 V DC
+
-
(*)
PE
Power supply
4-20mA input at
external instrument
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
300 mA
+
-
12-36 V DC
+
-
(*)
PE
4-20mA input at
external instrument
Power supply
(*) 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. 28: Possible wiring of the current output of a compact version, 12-36 V DC, without relays, with cable glands
English
