GetSpecificDeviceError (FB)ΒΆ

FUNCTION_BLOCK GetSpecificDeviceError EXTENDS ETrigA

This function block delivers the fieldbus specific device error.

Bemerkung

The interpretation of pData is fieldbus dependent and will be specified by the associated fieldbus driver.

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

Inherited from

Input

xExecute

BOOL

Rising edge: Action starts
Falling edge: Resets outputs
If a falling edge occurs before the function block has completed its action, the outputs operate in the usual manner and are only reset if either the action is completed or in the event of an error. In this case, the corresponding output values (xDone, xError, iError) are present at the outputs for exactly one cycle.

ETrigA

xAbort

BOOL

TRUE: Action is stopped immediately and all outputs are reset to their initial values.

ETrigA

Output

xDone

BOOL

TRUE: Action successfully completed

ETrigA

xBusy

BOOL

TRUE: Function block active

ETrigA

xError

BOOL

TRUE: Error occurred, function block aborts action
FALSE: No error

ETrigA

xAborted

BOOL

TRUE : Action aborted by user

ETrigA

Input

itfNode

INode

device node

pData

CAA.PVOID

Pointer to memory where specific device error information should be copied to.

Inout

szSize

CAA.SIZE

IN: Size of memory pData points to. Out: Size of data copied to pData

Output

eError

ERROR

operation error code