Caple CE1500 Manual de usuario Pagina 178

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178 Publication 2711P-UM001G-EN-P - September 2007
Chapter 7 Terminal Connections
DH+ Network Connections
Use the Belden 9463 twin axial or equivalent cable (cat. no. 1770-CD),
to connect a terminal to a DH+ link.
You can connect a DH+ link in two ways.
Trunk line/drop line - from the drop line to the connector screw
terminals on the DH+ connectors of the processor
Daisy chain - to the connector screw terminals on the DH+
connectors on the processor
Follow these guidelines when installing DH+ communication links.
do not exceed these cable lengths:
Trunk line-cable length: 3,048 m (10,000 ft).
Drop-cable length: 30.4 m (100 ft).
The maximum cable length is determined by baud rate.
Do not connect more than 64 stations on a single DH+ link.
PanelView Plus 700 to 1500 Terminals
PanelView Plus 400 and 600 Terminals
DH+ Port on Communication Module
82 Ω terminating resistor for 230.4 Kbps
150 Ω terminating resistor for 57.6 Kbps
and 115.2 Kbps
DH+ Port on Communication Module
82 Ω terminating resistor for 230.4 Kbps
150 Ω terminating resistor for 57.6 Kbps
and 115.2 Kbps
Blue 3
Shield SH 2
Clear 1
Belden
To Controller
Clear 3
Shield SH 2
Blue 1
Belden
To Controller
Terminating Resistor
Terminating Resistor
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