Omron NS7 Series Setup Manual page 73

● Indicators
Indicator Name
RUN Operating
ERC Communications
error
ERH EEPROM error
INS Network partici-
pation
SD Send Yellow
RD Receive Yellow
LNK Data link Yellow
3-8 Installing the Controller Link Interface Unit
Color status
Lit Normal operation.
Green
Not lit A Board operating error (watchdog timer error) occurred.
Red Lit One of the following errors occurred.
• Communications error
• Same node address used twice (i.e., address duplication error)
• Hardware error
Not lit Normal operation
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.
Lit The Board is participating in the network.
Yellow
The Board is not participating in the network.
Not lit
Lit Sending data.
Not lit Not sending data.
Lit Receiving data.
Not lit Not receiving data.
Lit Participating in data link.
Flashing Error in data link table setting.
Not lit Not participating in data link or data link inactive.
Meaning
3-41