Rockwell Automation DeviceNet Communications Module - Manual (Page 100)

9-4 DeviceNet Communications Module
9.1.3 NET A Status Indicator
Table 9.3 – NET A Status Indicator: State Definitions
Status Cause Corrective Actions
Off The module and/or
network is not powered
or module is not
connected properly to
the network. • Securely connect the module to the drive
using the Internal Interface cable and to
the network using a DeviceNet cable.
• Correctly connect the DeviceNet cable to
the DeviceNet plug.
• Apply power to the drive and network.
Flashing
Red A DeviceNet I/O
connection has timed
out. • Place the scanner in RUN mode, or
apply power to the peer device that will
send I/O.
• Check the amount of traffic on the
network.
Solid Red Failed duplicate node
detection test or bus off
condition exists.
• Configure the module to use a unique
node address on the DeviceNet network.
• Configure the module to use the correct
network data rate.
• Ensure network has correct media
installed.
Flashing
Green The module is properly
connected but is not
communicating with any
devices on the network. • Place the controller in RUN mode, or
apply power to the peer device that will
send I/O.
• Program a controller or peer device to
recognize and transmit I/O to the
module.
• Configure the module for the program in
the controller or the I/O from the peer
device.
Solid
Green The module is properly
connected and
communicating on the
network. No action required.