E+E Elektronik EE300Ex, User Manual

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17
User Manual EE300Ex Humidity / Temperature Sensor
4-20mA ia
4-20mA ia
+
-
L+
L-
+
- +
-
+
-
+
-
CH2 CH1
Hazardous location T6...T1
Zone 0 / 20
Division 1
Class I,II,III
Group A, B, C, D, E, F, G
Zone 1 2 / 21 22
Division 2
Class I,II,III
Group A, B, C, D, E, F, G
up to T6 if EE300Ex is in
unclassified location.
Power supply
Control
The bushing must
conform to the ha-
zard requirements
of a Zone or Divisi-
on implementation.
The supplied screw
connection meets
this requirement!
intrinsically safe
sensor supply unit
Unclassified location
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 mount is not permitted to be used for Zone or Division bushing.
EE300Ex (wall mount) 1 channel 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
intrinsically safe
sensor supply unit
Hazardous location T4...T1 Unclassified location