User guide

Use in Dangerous Goods Transporters114 EFAS
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11 Use in Dangerous Goods Transporters
This section contains important information
for use of the digital tachograph EFAS in
dangerous goods transporters.
11.1 Introduction
The 24V/Ex version (device option) of the digital tacho-
graph EFAS has also been designed for the use in danger-
ous goods transporters. This Ex version must comply with a
special approval procedure as per ATEX 94/9/EG.
The – logo attached to the front and to the rating plate
of the unit serves as proof of compliance.
Note
The special installation for dangerous goods transporters must be
regularly checked by an authorised workshop.
Note
The casing protection rating of IP 54 is only given when the
device is correctly installed in a radio slot and when the service
interfaces on the surface of the device are closed as standard.
11.2 Operating the Device in Explosive Areas
The following operating instructions must be observed in
explosive environments:
1. It is not permitted to drive into potentially explosive
areas, with mechanically defective tachographs or
motion sensors or their connectors.
2. It is not permitted to drive into potentially explosive
areas when an event message with Service ID code 3
appears (motion sensor power supply interruption).
3. Before entering an explosive area the service interface
should be covered with the provided cover.
4. Print jobs must be terminated at least 2 minutes before
approaching the danger zone. There must be no print-
ing inside the danger zone!
5. Turn the ignition switch to “OFF”.
6. Switch the battery master to “OFF”.
7. Keep all doors and windows of the vehicle closed.
8. The ambient temperature of the tachograph must not
exceed 60°C.
9. The ambient temperature of the motion sensor must not
exceed 80°C.
10. Never open the cover of the service interface when
inside the danger zone.
11. Do not download data or perform calibration via the
service interface when inside the danger zone.