Allen-Bradley devicenet modules in logix5000 control systems Manual Do Utilizador
Publication DNET-UM004A-EN-P - March 2004
12-16 Troubleshoot a DeviceNet Network
Status Codes
Status codes give you detailed information about the status or error of
the scanner or another device on the network.
the scanner or another device on the network.
• The status tags for the scanner give you the status codes. Refer
• Some scanners also show status codes on the front of the
scanner.
Use the following table to interpret status codes.
Status code
(decimal)
Description
Action
65
The AutoScan option is on and the device is in
idle mode.
idle mode.
None.
70
The address of the device is already in use by
another device on the network.
another device on the network.
Change the address of the device to an unused address.
71
Illegal data in scan list.
Reconfigure the scan list and remove any illegal data.
72
No communication with the device.
Inspect the device and verify connections.
73
Device’s identity information does not match
electronic key in scanner
electronic key in scanner
• Make sure that the correct device is at this address.
• Make sure that the device matches the specified electronic
• Make sure that the device matches the specified electronic
key (vendor, product code, product type).
74
Data overrun on port detected.
• Modify your configuration and check for invalid data.
• Check network communication traffic.
• Check network communication traffic.
75
Either or both of the following:
• The device does not have a scan list.
• The device has not received
• The device has not received
communication from any other device
Check that the device has:
• scan list
• properly wired connection to the network
• properly wired connection to the network
76
No direct network traffic for scanner.
None. The scanner hears other network communication but does
not hear any directed to it.
not hear any directed to it.
77
During initialization, the data size expected by
the device does not match the scan list entry.
the device does not match the scan list entry.
Check the device and the scan list for the correct input and output
size for the device.
size for the device.
78
Device is not communicating or communication
is intermittent.
is intermittent.
• Check that the device has a properly wired connection to the
network.
• Check that the device has power.
• If the device is polled, make sure the interscan delay is long
• If the device is polled, make sure the interscan delay is long
enough for the device to return its data.
79
Scanner has failed to transmit a message.
• Make sure that your scanner is connected to a valid
network.
• Check for disconnected cables.
80
Scanner is in idle mode.
To run the network:
1. Put controller in run/remote run mode.
2. Turn on the following member of command register for the
2. Turn on the following member of command register for the
scanner:
…O.CommandRegister.Run
…O.CommandRegister.Run