Rockwell-automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controll Uživatelský manuál Strana 27

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Publication 1785-QS006C-EN-P - April 2002
Troubleshoot the Processor System 4-5
Use the DH+/RIO
Status Indicators
Indicator Color Channel Mode Description Probable Cause Recommended Action
A or B Green
(steady)
Remote I/O
Scanner
Active Remote I/O link, all
adapter modules are
present and not faulted
Normal
operation
No action required
Remote I/O
Adapter
Communicating with
scanner
DH+ Processor is transmitting
or receiving on DH+ link
Green
(blinking
rapidly or
slowly)
Remote I/O
Scanner
At least one adapter is
faulted or has failed
Power off at
remote rack
Cable broken
Restore power to the
rack
Repair cable
DH+ No other nodes on network
Red
(steady)
Remote I/O
Scanner
Remote I/O
Adapter
DH+
Hardware fault Hardware error Turn power off, then
on.
Check that the
software
configurations
match the hardware
set-up.
Replace the
processor.
Red
(blinking
rapidly or
slowly)
Remote I/O
Scanner
Faulted adapters detected Cable not
connected or
is broken
Power off at
remote racks
Repair cable
Restore power to
racks
DH+ Bad communication on
DH+
Duplicate node
detected
Correct station address
Off Remote I/O
Scanner
Remote I/O
Adapter
DH+
Channel offline Channel is not
being used
Place channel online if
needed
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