1785-UM022B-EN-P - February 2002
Installing Your ControlNet PLC-5 Processor 1-15
Installing a DH+ Link Use 1770-CD cable to connect the processor to a DH+ link.
Follow these guidelines while installing DH+ communication links:
• do not exceed these cable lengths:
– trunk-cable length—3,048 m (approximately 10,000 cable-ft)
– drop-cable length—30.4 m (approximately 100 cable-ft)
• do not connect more than 64 stations on a single DH+ link
If you connect or disconnect the 1770-CD cable with
power applied to this processor or the device on the
other end of the cable, an electrical arc can occur.
This could cause an explosion in hazardous location
installations. Be sure that power is removed or the
area is nonhazardous before proceeding.
When used in a Class I, Division 2, hazardous
location, this equipment must be mounted in a
suitable enclosure with proper wiring method that
complies with the governing electrical codes.
WARNING
!
WARNING
!
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