ABB AC 800M

Section 6 Linking Device LD 800DN DeviceNet Module Status LED
9ARD000014-600 A 185
Bus-off is generated if LD 800DN is transmitting messages at the time of
disconnection and the internal error counter in the CAN controller in the LD 800DN
reaches the Bus-off state. If LD is not transmitting messages at the time of
disconnection or CAN controller is not reaching the Bus-off state the module could
be prevented from reaching this state.
DeviceNet Module Status LED
Table 31 shows the DeviceNet module’s Status LED states.
Solid Red DeviceNet interface fault A major fault in the DeviceNet interface
has been detected. Possible causes
include Bus-off or duplicate MAC ID.
Flashing Red Connection time-out A connection with at least 1 slave device
has timed out.
Red,Green
Alternate
Flashing
Self Test A self test of the module is in progress.
Table 31. DeviceNet Module Status LED States
State Summary Description
Flashing
Green
Initializing, standby, or not
configured
The module is initializing.
The DeviceNet network configuration
has not been configured and is currently
using default values.
Solid Green Normal Normal operation.
Solid Red Unrecoverable fault A fault that requires user intervention
has been detected. Correct the problem
and reset the LD 800DN.
Table 30. DeviceNet Network Status LED States (Continued)
State Summary Description