User`s manual

Western Reserve Controls WRC-CANR-DF-DN User’s Manual
PUB 14.2 Series 4
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-CANR is operating normally.
Flashing Red Minor Fault
Advanced Memory Technology (AMT)
buffers space exceeded.
Red Unrecoverable Fault WRC-CANR may be damaged.
Flashing Red/Green Device Self-Testing WRC-CANR 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-CANR has no power or device is not
operating.
Flashing Green Idle
WRC-CANR has not received a valid
message for 0.5 sec.
Fast Flashing Green Autobaud selection
The WRC-CANR is waiting for a valid
message to fix the baudrate.
Green On-line
WRC-CANR 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-CANR 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-CANR has no power or device is not
operating.
Flashing Green Idle
WRC-CANR has not received a valid
message for 0.5 sec.
Fast Flashing Green Autobaud selection
The WRC-CANR is waiting for a valid
message to fix the baudrate.
Green On-line
WRC-CANR 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-CANR has detected an error that
makes it incapable of communicating on
the CAN bus.