User`s manual

Western Reserve Controls WRC-CANR-DF-DN User’s Manual
PUB 14.1
6
Table 4-1 Module Status LED (labeled MS)
LED State Module Status Meaning
OFF No Power There is no power through DeviceNet.
Green Device Operational WRC-CANR-DF-DN is operating normally.
Flashing Green Device in Standby WRC-CANR-DF-DN is in intialization.
Flashing Red Minor Fault Recoverable fault.
Red Unrecoverable Fault WRC-CANR-DF-DN may be damaged.
Flashing Red/Green Device Self-Testing WRC-CANR-DF-DN is in self-test mode.
Table 4-2 Network Status LEDs (labeled NSA and NSB)
LED State Module Status Meaning
OFF No Power / Not on-line WRC-CANR-DF-DN has no power or device
is not operating.
Flashing Green Autobaud selection The WRC-CANR-DF-DN is waiting for a valid
message to fix the baudrate.
Green On-line WRC-CANR-DF-DN is operating normally.
Flashing Red Communications error One of several communications errors
(defined below) has occurred.
Red Critical link failure WRC-CANR-DF-DN has detected an error
which makes it incapable of communicating
on the link.
Communications errors include:
• Transmit Check
• Bus Off
• Error Passive
• Warning Level
Table 4-3 Diagnostic Status LEDs (labeled DNG)
LED State Module Status Meaning
OFF No Power / Not on-line Normal operation.
Flashing Green Autobaud selection Waiting for a valid message to select the
baud rate.
Green On-line Not defined.
Flashing Red Communications error The internal FIFO stack has overflowed on
one of the network sides because the other
network could not complete
communications.