Siemens Desigo TRA Engineering, Mounting And Installation Manual page 55

Examples of recommended cable types
Belden Capacitance
Type
9925 39 pF/m
12 pF/ft
8102NH 41 pF/m
12.5 pF/ft
1419A 43 pF/m
13.1 pF/ft
Siemens
Building Technologies
Non- Shield
1)
halogen
Foil + Braid
NH Foil + Braid
Foil
1)
Foil + Braid is recommended for harsh environment (mechanical and
electromagnetic interference, e.g. variable speed drives).
2)
2-pair cable to be used with care because of different color scheme.
The two conductors of the second pair must be wired in parallel to the
Reference terminal to prevent a floating conductor.
3)
Recommended color scheme for wiring.
Observe these rules to prevent communications problems.
3-wire
+ White
– Black
Reference Red
Shield Drain wire (bare)
Desigo TRA Engineering, mounting and installation
MS/TP networks
Tempe- Pairs Color
3)
rature
80 1.5 Black Red White
2)
80 2 Blue White / White Blue
Orange White / White Orange
2)
80 2 Blue White / White Blue
Orange White / White Orange
2 pairs
+ White/blue
– Blue/White
Reference 2 Orange conductors,
Shield Drain wire (bare)
parallel
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CM111043en_09
2016-02-22