Electrical Connection - Samson 6000 Series Mounting And Operating Instructions

3.3 Electrical connection

DANGER!
Risk of electric shock and/or the for-
mation of an explosive atmosphere.
For electrical installation, observe the
relevant electrotechnical regulations
and the accident prevention regula-
tions that apply in the country of use.
In Germany, these are the VDE regulations
and the accident prevention regulations of
the employers' liability insurance.
DANGER!
Adhere to the terminal assignment.
Switching the assignment of the elec-
trical terminals may cause the explo-
sion protection to become ineffective.
Do not loosen enameled screws in or
on the enclosure.
The following regulations apply to installa-
tion in hazardous areas: EN 60079-14
(VDE 0165, Part 1) and DIN EN 50281-1-2
(VDE 0165, Part 2).
The maximum permissible values specified in
the EC type examination certificates apply
when interconnecting intrinsically safe elec-
trical equipment (U
or C and L or L ).
0 i 0
EB 6116 EN
or U , li or I , P or P
i 0 0 i
WARNING!
Leakage to the terminal space leads
to the degree of protection not being
met.
Only operate the device with sealed
cable entries and locked cover.
Green/yellow
grounding conductor
Fig. 5: Electrical connection
1. Unscrew the enclosure cover and connect
the wires for the input signal to the termi-
nals 11 (+) and 12 (–) using suitable ca-
ble glands or connectors.
No additional voltage supply is required.
Connect Ex d versions with an approved
metal cable entry (certificate of conformi-
ty) or a seal box pipe.
Approved versions (certificate of confor-
mity) are equipped with permanently
sealed cable entries.
2. Secure grounding conductor at the
, C
0 i
ground terminal located either inside or
outside the enclosure.
3. Check the O-ring for damage and re-
place it, if necessary.
Installation
11 12
+
–
4 to 20 mA input
9