Specifications

Allen-Bradley ControlLogix Ethernet Driver Help
Possible Cause:
A read request for tags <tag address> to <tag address>+<count> failed because the Controller tag's data type
is not currently supported.
Solution:
Contact Technical Support so that support may be added for this type. In response to this error, <count>
elements of the block are deactivated and it is not processed again.
Unable to read <count> element(s) starting at <address> on device <device>.
Data type <type> is illegal for this block.
Error Type:
Warning
Possible Cause:
A read request for tags <tag address> to <tag address>+<count> failed because the client's tag data type is
illegal for the given Controller tag.
Solution:
Change the data type for tags within this block to one that is supported. For example, data type Short is illegal for
a BOOL array Controller tag. Changing the data type to Boolean would remedy this problem. In response to this
error, <count> elements of the block are deactivated and it is not processed again.
See Also:
Addressing Atomic Data Types
Unable to read <count> element(s) starting at <address> on device <device>.
Data type <type> not supported.
Error Type:
Warning
Possible Cause:
A read request for tags <tag address> to <tag address>+<count> failed because the client's tag data type is
not supported.
Solution:
Change the data type for tags within this block to one that is supported. In response to this error, <count>
elements of the block are deactivated and it is not processed again.
See Also:
Addressing Atomic Data Types
Unable to read <count> element(s) starting at <tag address> on device
<device name>. Block does not support multi-element arrays. Block
deactivated.
Error Type:
Warning
Possible Cause:
A read request for tags <tag address> to <tag address>+<count> failed because the driver does not support
multi-element array access to the given Controller tag.
Solution:
Change the data type or address for tags within this block to one that is supported. In response to this error,
<count> elements of the block are deactivated and it is not processed again.
See Also:
Addressing Atomic Data Types
Write Errors
The following error/warning messages may be generated. Click on the link for a description of the message.
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