GetBusError (FB)ΒΆ

FUNCTION_BLOCK GetBusError EXTENDS CBM.ETrigA

If IBus.GetBusState returns BUS_STATE.ERROR this function block returns the associated bus error code. The error codes are fieldbus specific and will be defined by the associated communication stack.

Bemerkung

This feature may not be supported by all fieldbus drivers. eError will return ERROR.NOT_SUPPORTED if not supported.

InOut:

Scope

Name

Type

Comment

Input

itfNode

INode

bus node

Output

eError

ERROR

operation error code

einBusError

ERROR_INFO

bus error code