Specifications

Allen-Bradley ControlLogix Ethernet Driver Help
Solution:
Change the tag's data type to one that is supported. For example, data type Short is illegal for a BOOL array
Controller tag. Changing the data type to Boolean can remedy the problem. In response to this error, the tag is
deactivated and is not processed again.
See Also:
Addressing Atomic Data Types
Unable to read tag <tag address> on device <device name>. Data type
<type> not supported. Tag deactivated.
Error Type:
Warning
Possible Cause:
A read request for the specified tag failed because the client's tag data type is not supported.
Solution:
Change the tag's data type to one that is supported. In response to this error, the tag is deactivated and is not
processed again.
See Also:
Addressing Atomic Data Types
Unable to read tag <tag address> on device <device name>. Tag does not
support multi-element arrays. Tag deactivated.
Error Type:
Warning
Possible Cause:
A read request for the specified tag failed because the driver does not support multi-element array access to the
given Controller tag.
Solution:
Change the tag's data type or address to one that is supported. In response to this error, the tag is deactivated
and it is not processed again.
See Also:
Addressing Atomic Data Types
Read Errors (Blocking)
The following error/warning messages may be generated. Click on the link for a description of the message.
Read Errors (Blocking) Error Messages
Read request for <count> element(s) starting at <tag address> on device <device name> failed
due to a framing error. Block deactivated.
Unable to read <count> element(s) starting at <tag address> on device <device name>. Block
deactivated.
Unable to read <count> element(s) starting at <tag address> on device <device name>. [CIP
error=<code>, Ext. error=<code>].
Unable to read <count> element(s) starting at <tag address> on device <device name>. Controller
tag data type <type> unknown. Block deactivated.
Unable to read <count> element(s) starting at <tag address> on device <device name>. Data type
<type> is illegal for this block. Block deactivated.
Unable to read <count> element(s) starting at <tag address> on device <device name>. Data type
<type> not supported. Block deactivated.
Unable to read <count> element(s) starting at <tag address> on device <device name>. Block does
not support multi-element arrays. Block deactivated.
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