Allen-Bradley SLC 5/05 series User Manual

Allen-Bradley Ethernet Driver
Event Log Messages
The following information concerns messages posted to the Event Log pane in the main user interface. Consult
the server help on filtering and sorting the Event Log detail view. Server help contains many common mes-
sages, so should also be searched. Generally, the type of message (informational, warning) and troubleshoot-
ing information is provided whenever possible.
Unable to read data block from device. Frame received contains errors. |
Block start address = '<address>'.
Error Type:
Warning
Possible Cause:
1. An incorrect frame size was received.
2. A TNS mismatch occurred.
3. An invalid response command was returned from the device.
4. Misalignment of packets occurred due to connection/disconnection between the PC and device.
5. Bad cabling connecting the devices is causing noise.
Possible Solution:
While the driver can recover from the error without intervention, there may be an issue with the cabling or the
device itself that should be corrected.
Unable to read data block from the device. Tag deactivated. | Block start
address = '<address>', Status code = <code>, Extended status code =
<code>.
Error Type:
Warning
Possible Cause:
1. The address requested does not exist in the PLC.
2. The address requested cannot be accessed because the PLC is in error state.
3. The communications parameters for the Ethernet connection are incorrect.
Possible Solution:
1. Verify the address exists in the PLC.
2. Verify the PLC is not in an error state or restore the PLC to operation.
3. Verify the communications parameters for the Ethernet connection are correct.
4. Verify the correct port is specified for the named device.
5. Verify the IP address given to the named device matches that of the actual device.
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Allen-Bradley SLC 5/05 series Specifications

General

Brand	Allen-Bradley
Model	SLC 5/05 series
Category	Network Card
Language	English