HI 800 101 HIMatrix Engineering Manual
4.4 Using the F35 Controller in the Zone 2
(EG guideline 94/9/EG, ATEX)
The F35 controller is suitable for installation in zone 2. The corresponding declaration of con-
formity can be found in the Data sheet HIMatrix F35.
For this mounting the following mentioned special conditions have to be regarded.
Special conditions X
1. The controller HIMatrix F35 must be mounted in an enclosure, which fulfills the re-
quirements of the EN 60079-15 with the type of protection at least IP 54, according to
EN 60529. This enclosure must be labeled with
"Working permitted only in the de-energized state"
Exception:
If it is assured that there exists no explosive atmosphere working under voltage is also
permitted.
2. The used enclosure must be able to dissipate safely the generated heat. The power
dissipation of the controller HIMatrix F35 is between 15 W and 29 W depending on the
power supply voltage, the output load and number of inserted field bus modules.
3. The controller HIMatrix F35 must be fused with a time-lag fuse of 10 A.
The voltage supply 24 VDC of the controller HIMatrix F35 is admissible only from a
power supply unit with safe isolation. Only PELV or SELV power supply types may be
used.
4. The following items of the standards
VDE 0170/0171 part 16, DIN EN 60079-15: 2004-5
VDE 0165 part 1, DIN EN 60079-14: 1998-08
must be regarded:
DIN EN 60079-15:
Chapter 5 Design
Chapter 6 Terminals and cabling
Chapter 7 Air and creeping distances
Chapter 14 Connectors
DIN EN 60079-14:
Chapter 5.2.3 Equipment for use in zone 2
Chapter 9.3 Cabling for zones 1 and 2
Chapter 12.2 Equipment for zones 1 and 2
The controller additionally has the following label:
H I M A
Paul Hildebrandt GmbH + Co KG
A.-Bassermann-Straße 28, D-68782 Brühl
HIMatrix
H II 3 G EEx nA II T4 X
0 °C ≤ Ta ≤ 60 °C
F35
Special conditions X must be regarded!
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