Siemens SIMATIC TIWAY 1 Manuale Utente Scaricare il pdf (Pagina 28)

Network Design Considerations

2-10

SIMATIC TIWAY I Series 500 NIM User Manual

Figure 2-3 TIWAY I Tap Housing

With the cover removed from the PPX:500–5606 Tap Housing, note that

there are three sets of terminals, and that each set is labelled G, W, and B.

(See Figure 2-3.) One set of these terminals is for the incoming Local Line

twisted pair; the center set is for the drop line; and the remaining set is

used to connect the Local Line to the following node, or to terminate the

Local Line if the Tap Housing is the last one on the network trunk.

For consistency in installation, always connect the LLM+ (Pin 6 of the Local

Line Connector) to the white strand of the twisted pair and to the terminal

marked “W” in the Tap Housing. Connect the blue strand to the LLM– (Pin

9 of the Local Line Connector) and to the terminal marked “B” in the Tap

Housing. The Cable Shield and Signal Common should be connected to Pin

3 of the Local Line connector and to terminal “G” inside the Tap Housing.

Tap Housing Cable

Connections

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 137 138

Nessun commento

Siemens SIMATIC TIWAY 1 Manuale Utente Pagina 28