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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
5-5
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The direct contact between the shielding contact element and the rail makes it
easy for you to connect all shielded cables of your S7 modules to ground.
1
2
Figure 5-2 Shielding contact element
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Shielding terminals
Bracket
Mount the bracket (Order No. 6ES5 390-5AA0-0AA0) to the rail using the two
screw bolts. If you use a shielding contact element, the specified dimensions apply
from the lower edge of the module.
• Width of the shielding contact element: 80 mm
• Number of mountable shielding terminalsper shielding contact element: max 4
Table 5-3 Shielding terminals - overview
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Cable shielding diameter 2 mm to 6 mm 6ES7 390-5AB00-0AA0
Cable shielding diameter 3 mm to 8 mm 6ES7 390-5BA00-0AA0
Cable shielding diameter 4 mm to 13 mm 6ES7 390-5CA00-0AA0
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