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
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