User`s manual

Western Reserve Controls WRC-CANR-DF-DN User’s Manual
PUB 14.1 Series 3
7
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-CANX is operating normally.
Flashing Red Minor Fault
Advanced Memory Technology (AMT)
buffers space exceeded.
Red Unrecoverable Fault WRC-CANX may be damaged.
Flashing Red/Green Device Self-Testing WRC-CANX is in self-test mode.
Table 4-2 Local Device’s Network Status LEDs (labeled NSA)
LED State Module Status Meaning
OFF No Power / Not on-line
WRC-CANX has no power or device is not
operating.
Flashing Green Idle
WRC-CANX has not received a valid
message for 0.5 sec.
Fast Flashing Green Autobaud selection
The WRC-CANX is waiting for a valid
message to fix the baudrate.
Green On-line
WRC-CANX is operating normally and
receiving messages.
Flashing Red CAN controller buffer overflow
There is more traffic on the network than the
system can handle.
Red Critical link failure (Bus Off)
WRC-CANX has detected an error that
makes it incapable of communicating on the
link.
Table 4-3 Remote Device’s Network Status LEDs (label NSB)
LED State Module Status Meaning
OFF No Power / Not on-line
WRC-CANX has no power or device is not
operating.
Flashing Green Idle
WRC-CANX has not received a valid
message for 0.5 sec.
Fast Flashing Green Autobaud selection
The WRC-CANX is waiting for a valid
message to fix the baudrate.
Green On-line
WRC-CANX is operating normally and
receiving messages.
Flashing Red CAN controller buffer overflow
There is more traffic on the network than the
system can handle.
Red
Critical CAN link failure
(Bus Off)
WRC-CANX has detected an error that
makes it incapable of communicating on the
CAN bus.