VEGA 3041 Ex-separator - Manual (Page 3)

Ex-separator type 3041 3
Operating instruction
75
110 25
5 6 7 8
1 2 3 4
FUSE
3
82
Further data
Galvanically isolated separation between the circuits
up to a voltage of
250 V AC
Operating temperature -20 ° C … +60 ° C
Storage and transport temperature -40 ° C … +80 ° C
Max. cross-section area of conductor 4 mm 2
Mounting in not-Ex-area 35 x 7,5 mm rail or screwable on two
extractable clips (therefore remove clip springs)
Fuse 125 mA slow-blow, 5 mm ø x 20 mm
Weight 200 g
Dimensions W x H x D = 25 x 75 x 110 mm
Mounting and electrical connection
Please note:
• The DIN and VDE-regulations.
• The connection lines from the separator and
transmitter must be permanently marked.
• Do not mount the separator in hazardous areas
(not-Ex-area).
• Only connect one transmitter to a separator.
• Earth the cable screenings only at one cable end..
Mounting
Plug the separator on the C-rail or screww to the base
on the extractable clips.
Connection
Connect the transmitter located in the Ex-area to the
blue coloured terminals 5 (+) and 6 (–) of the
transmitter. If strong electromagnetic interferences
have to be expected, screened cable must be used.
Connect the output circuit to the signal conditioning
instrument to the terminals 1 (+) and 2 (–). Now
connect the voltage supply with 20 … 35 V DC to
terminals 3 (+) and 4 (–).
The separator now powers the transmitter with
intrinsically safe voltage and transmits the 4 … 20 mA-
signal floating from the transmitter to the signal
conditioning instrument.
+ –
+ – + –
5 6 7 8
1 2 3 4
FUSE
Ex-area
Not-Ex-
area
Power supply
20 … 35 V DC
Signal
conditioning
instrument
Transmitter
C-rail
p
in out