Echelon PCLTA-21 Especificaciones descargar pdf (Pagina 15)

LONWORKS® LN-Series Network Communication and Interface Guide Technical Bulletin 15

Network Cables

The following section identifies the type of cabling that may be used in a TP/FT-10

or TP/XF-1250 twisted pair LONWORKS network.

Note: Do not run TP/FT-10 channel communication cables close to high voltage

power cables. Running these cables near each other may cause poor

communication.

TP/FT-10 Cable Specifications

Two types of cable are recommended for TP//FT-10 channel installations.

The first type of cable is 22 AWG, 1 twisted pair (1P), stranded conductor (STR),

tinned copper (TNC), Polyvinyl Chloride (PVC) insulation, PVC jacket,

unshielded, plenum FT6, CSA 600V, and UL 300V.

In a Bus topology, the maximum wire length is 1,400 m (4,593 ft).

In a Free topology, the maximum wire length is 400 m (1,312 ft) node-to-node and

500 m (1,640 ft) total wire length.

The maximum stub length on a TP/FT-10 channel is 3 m (10 ft). A stub is a section

of transmission line that is not terminated and branches off the main transmission

line. The branch line is terminated as an open circuit.

IMPORTANT: Make all wiring connections in accordance with local,

national, and regional regulations. Do not exceed the device’s electrical ratings.

IMPORTANT: Use only twisted pair cable or wire and conductors on a

LONWORKS twisted pair channel.

CAUTION: Risk of Property Damage.

Do not use untwisted wires or cables containing flat or parallel

untwisted conductors on a LonWorks twisted pair channel. Using

untwisted wire, cable, and conductors on a LonWorks twisted pair

channel may result in improper network operation, and an electric

field can build up and spike causing damage to the devices connected

to the channel.

Table 7: TP/FT-10 Cable Specifications (22 Gauge)

Attributes Specifications

Conductor Gauge (AWG) 22 AWG

Conductor Count 2 Conductors (Twisted Pair)

Conductor Type Stranded Conductor

Material Tinned Copper

Plenu Plenum Rated

NEC Rating UL Listed NEC Article 800 Communications Plenum (CMP)

Rated

CSA Flame Rated

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 39 40

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Echelon PCLTA-21 Especificaciones Pagina 15