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6.4 CONFIGURATION AND CONNECTION OF THE SDB-3
Figure 6
– SDB-3 Cabinet lay-out
6.4.1 Earthing of the SDB-3 enclosure
The SDB-3 enclosure must be earthed externally. Therfore a dedicated earth connection is installed in
the gland plate of the SDB-3 enclosure. This earth connection must be connected to a dedicated earth
connection close to the SDB-3 enclosure.
Figure 7
– A dedicated earth connection on the SDB-3 enclosure
6.5 CABLE SPECIFICATIONS
All cables connected to the SDB-3 and Bridge Panel PC shall comply with the following requirements:
6.5.1 Flame-retardant
All electrical cables and wiring external to equipment shall be at least of a flame-retardant type. A single
cable shall be flame retardant according to IEC 60332-1-1 & IEC 60332-1-2.
Processor module
Backplane with analogue input
modules (Optional)
24 VDC Power supply
DIN-rail connectors power & Earthing
External earth on gland-plate
Dedicated earth connection on gland-plate