Start (FB)

FUNCTION_BLOCK Start EXTENDS BaseService

This function block is used for calling the “Start” service of a specific instance of a CIP object. The exact effect of this service depends on the CIP class (refer to the CIP specifications (Vol. 1 and 2).

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) are present at the outputs for exactly one cycle.

ETrig

Output

xDone

BOOL

TRUE: Action successfully completed

ETrig

xBusy

BOOL

TRUE: Function block active

ETrig

xError

BOOL

TRUE: Error occurred, function block aborts action

FALSE: No error

ETrig

Input

itfEtherNetIPDevice

IEtherNetIPService

BaseService

eClass

CIPClass

BaseService

dwInstance

DWORD

BaseService

Output

eError

ERROR

BaseService