Rockwell Automation 1756-DNB ControlLogix DeviceNet Scanner Module Installation Instructions - Manual (Page 30)

30 ControlLogix DeviceNet Scanner Module
Publication 1756-IN566D-EN-P - June 2008
74 Scanner detected data overrun on
DeviceNet communication port.
• Modify your configuration and check
for invalid data.
• Check network communication
traffic.
75 Either or both of the following:
• The device does not have a
scan list.
• The device has not received
communication from any other
device.
Verify that the device has a:
• configured scan list.
• properly-wired connection to the
network.
76 No direct network traffic for
scanner. The scanner hears other
network communication but does
not hear any directed to it. None.
77 During initialization, the data size
expected by the device does not
match the scan list entry. Use RSNetWorx for DeviceNet software
to check the slave device and the scan list
for the correct input and output sizes for
the slave device.
DeviceNet Status Codes
Status
Code Description of Status Recommended Action