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Allen-Bradley DF1 Driver Help

Unable to read function file <fun. file element> on device '<device name>'.

Memory map error

Error Type:

Serious

Possible Cause:

There was an error writing to memory on the server.

Solution:

If this error occurs frequently, contact Technical Support.

Unable to read data starting at '<start address>' on device '<device name>'.

Device replied with an unexpected NAK. Check device link protocol

Error Type:

Serious

Possible Cause:

The server either sent an invalid response or one of unexpected size. The server's Protocol Link settings may not

match the device configuration.

Solution:

Ensure that the device's Link Protocol settings match that of the channel's. If this error occurs frequently, contact

Technical Support.

Unable to read function file '<fun. file element>' on device '<device name>'.

Device replied with an unexpected NAK. Check device link protocol

Error Type:

Serious

Possible Cause:

The server either sent an invalid response or one of unexpected size. The server's Protocol Link settings may not

match the device configuration.

Solution:

Ensure that the device's Link Protocol settings match that of the channel's. If this error occurs frequently, contact

Technical Support.

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