User`s manual

Western Reserve Controls WRC-CANX-xx Series 3
PUB 14.0 User’s Manual
10
5.3. LED Operation
The WRC-CANX-XX Multiplexer has four (4) LED’s that provide visual status information to the user
about the product and the DeviceNet network. See Figure 5-1, Table 5-2, Table 5-3 and Table 5-4.
Table 5-2 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 5-3 Network Status LED’s (labeled NSA and 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.
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.