S5-95F Expansion of Basic System with External I/Os
5.4 Connection Methods: Screw-Type Terminals and Crimp Snap-In
Screw-Type Terminal (for the 40-Pin Connector)
When using the screw-type terminals of the 40-pin connector, you can connect cables that do not
exceed the maximum cross-section of 1.5 mm
2
. It is best to use a 3.5-mm screwdriver to tighten
the screws.
Permissible cable cross-sections are:
• A solid conductor: 1 x 0.25 to 1.5 mm
2
• A stranded conductor with a core end sleeve: 1 x 0.25 to 1.5 mm
2
Use only 10 mm long core end sleeves to DIN 46228 for reasons of EMC.
Screw-Type Terminal for Power Supply Modules and Bus Units
You can wire two cables per terminal using this screw-type terminal. It is best to tighten the screws
using a 5-mm screwdriver.
Permissible cable cross-sections are:
• A solid conductor: 2×0.5 ... 2.5 mm
2
• A stranded conductor with a core end sleeve: 2×0.5 ... 1.5 mm
2
Use only 10 mm long core end sleeves to DIN 46228 for reasons of EMC.
Figure 5-9. Screw-Type Terminal for Power Supply Modules and Bus Units
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M3 screw
Wire clamp
Cables
EWA 4NEB 812 6210-02
5-9
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