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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

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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

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