588
Moreover, it met the expectation to enable operation of several different IT applications
using different kinds of hard- and software from different manufacturers, only within one
universal network system.
3 OPTIMIZATION OF MATERIAL LOGISTICS
The underground MIC’s are equipped with intrinsically safe passive RFID readers. Thereby
it is possible to detect and utilise passive long range RFID tags, which are affixed to the
operation facilities (transportation units/containers).
Based on the experience of a former RFID project and in the course of the project OPTIMINE, the MIC’s positions and thereby the RFID reader’s positions were optimised. The
access points/MIC’s (RFID readers) were distributed in the shaft areas of North Shaft and
in the working section Beustfeld. The south part of the mining field was only partly equipped
with this technique, see Figure  3. In the shaft close-up range, at the different levels (draw
points 45/48, 5th level and 6th level) the RFID readers could be straightened out. Multiple
readings at shunting of locomotives were thus eliminated.
Figure 2. Network infrastructure with new ICT components at Ibbenbüren mine.
Figure 3. MIC’s and RFID-Access points for material tracking.
Fiber-Optic Ring-Backbone with intermeshed Redundancy
..,.,.
haft Are
(Non-Elc)
Switch
Surface
Underground
1.000MB Gigabit LAN
Sltlblir.e 100MB I
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