3-8 Installing the Controller Link Interface Unit
● Indicators
Indicator Name Color status Meaning
RUN Operating Green Lit Normal operation.
Not lit A Board operating error (watchdog timer error) oc-
curred.
ERC Communica-
tions error
Red Lit One of the following errors occurred.
•
•
ror)
•
Communications error
Same node address used twice (i.e., address
duplication er
Hardware error
Not lit Normal operation
ERH EEPROM error Red Lit One of the following errors occurred.
•
•
•
•
EEPROM error
EEPROM data link table error
EEPROM routing table error
EEPROM network parameter error
Not lit No EEPROM error.
INS Network par-
ticipation
Yellow Lit The Board is participating in the network.
Not lit The Board is not participating in the network.
SD Send Yellow Lit Sending data.
Not lit Not sending data.
RD Receive Yellow Lit Receiving data.
Not lit Not receiving data.
LNK Data link Yellow Lit Participating in data link.
Flash-
ing
Error in data link table setting.
Not lit Not participating in data link or data link inactive.
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