After adding the REM-11180 item to a LabVIEW project, you can see the REM-11180 I/O variables under the REM-11180 item.

I/O Variable Attribute Description
Localbus Add_Error InfoRead OnlyReturns the position of the Remote I/O module that is in error condition.
Localbus bus StateRead OnlyReturns the current state of the local bus.
Localbus Error_CodeRead OnlyReturns the error codes of Remote I/O modules.
New Diagnosis MessageRead OnlyReturns the new message available from the diagnosis history.

Refer to the Reading Error Codes from REM-11180 IOVs section of the NI REM-11180 User Manual for detailed information.