E+E Elektronik EE300E Series, Operating Instructions Manual

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15
4-20mA ia
4-20mA ia
+
-
L+
L-
+
- +
-
+
-
+
-
CH2 CH1
3.4 Assembly in categories 2 and 3 (zone 1 2 / 21 22), Division 2
Only intrinsically safe power supply devices and protective barriers are approved to supply
EE300Ex in category 2 and 3 or Division 2.
No display is permitted in the dust hazard area (Group III) or Class II, III.
CH1 and CH2 must be galvanically isolated from one another during operation.
The probe for wall mounting is not permitted to be used for Zone or Division bushing.
EE300Ex (wall mounting) 1 channel via intrinsically safe power supply device:
EE300Ex (with remote sensing probe) 2 channels via intrinsically safe power supply device:
+
-
L+
L-
+
- +
-
CH2 CH1
4-20mA ia
zone 1 2 / 21 22
Division 2
Class I,II,III
Group A, B, C, D, E, F, G, H
Power supply
Control
The bushing must con-
form to the hazard
requirements of a zone
or Division implementa-
tion. The supplied screw
connection meets this
requirement!
zone 0 / 20
Division 1
Class I,II,III
Group A, B, C, D, E, F, G, H
zone 1 2 / 21 22
Division 2
Class I,II,III
Group A, B, C, D, E, F, G, H
Power supply
Control
intrinsically safe
transmitter supply unit
intrinsically safe
transmitter supply unit
Hazardous location T4...T1 Unclassified location
Hazardous location T4...T1 Unclassified location