Electrical connection, 4 ma, Power supply – VEGA VEGAPULS 51K…54K 4 … 20 mA; HART compact sensor User Manual

Page 30: Exd terminal compart- ment, Locking of the cover, Exd terminal compartment

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30

VEGAPULS 51K … 54K

21750-EN-031222

Electrical connection

ATEX

Supply: 20...36V DC/4...20mA HART

ser.no ********

R

FM

APPROVED

R

- +

2 1

IS

GND

- +

ESC

ESC

+

-

OK

OK

1

2

C

5

6

7

8

(+) (-)
L1 N

Commu-
nication

Display

1

2

C

5

6

7

8

Power supply

Two-wire EEx d terminal compartment

(opening in Ex atmosphere not allowed)

Two-wire adjustment module terminal
compartment

(opening in Ex area permitted)

Exd terminal compart-
ment

1

/

2

“ NPT EEx d

diameter of the
connection cable
to the Exd
terminal com-
partment
3.1…8.7 mm
(0.12…0.34 inch)

Exd safe connection to the
Exd terminal compartment

1

/

2

“ NPT EEx d

diameter of the
connection cable
3.1…8.7 mm
(0.12…0.34 inch))

Version with aluminium housing and pressure-tight encapsulated terminal
compartment

Locking of the cover

4...20mA

supply

20...72V DC

20...250V AC

HART

ser.no ********

1

2

+ -

R

+

-

5

4

3

IS
GND

R

-

+

- +

4 ... 20 mA

ESC

ESC

+

-

OK

OK

1

2

C

5

6

7

8

(+) (-)
L1 N

Commu-
nication

Display

1

2

C

5

6

7

8

Power supply

Four-wire EEx d terminal compartment

Four-wire adjustment module terminal
compartment

(opening in Ex area permitted)

Exd terminal
compartment

1

/

2

“ NPT EEx d

diameter of the
connection cable
to the Exd
terminal com-
partment
3.1…8.7 mm
(0.12…0.34 inch)

Exd safe connection to the
Exd terminal compartment

1

/

2

“ NPT EEx d

diameter of the
connection cable
to the Exd terminal
compartment
3.1…8.7 mm
(0.12…0.34 inch)

Locking of the cover

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