CM579PnioWrite (FB)

FUNCTION_BLOCK CM579PnioWrite EXTENDS CM579PnioBase

function block that implements acyclic write service

InOut:

Scope

Name

Type

Initial

Comment

Inherited from

Input

Execute

BOOL

FALSE

A rising edge starts a single operation, the output Busy goes to TRUE. In the first cycle all other inputs are read and stored, afterwards they are ignored. A falling edge does not stop the operation. After Done = TRUE or Error = TRUE and Execute = FALSE all outputs will be reset. For executing another operation the Execute input needs to be retriggered by another rising edge!

AbbETrig3

Output

Done

BOOL

FALSE

Operation is completed without error (while outputs Busy and Error are FALSE). This output is TRUE for at least one cycle or until Execute is set to FALSE

AbbETrig3

Busy

BOOL

FALSE

Operation is running (while outputs Done and Error are FALSE)

AbbETrig3

Error

BOOL

FALSE

Operation is stopped with error (while outputs Busy and Done are FALSE). This output is TRUE for at least one cycle or until Execute is set to FALSE. The output ErrorID gives more details about the error.

AbbETrig3

Input

Device

AC500_IoDrvCM579Profinet.IDeviceCM579Profinet

instance of CM579-PNIO device

CM579PnioBase

Output

ErrorID

ERROR_ID

error code that describes occurred error

CM579PnioBase

AddErrorID

UDINT

additional description of error, meaning depends on value of output ErrorID

CM579PnioBase

Input

DevName

CM579PnioDevName

name of device to which the data object is to be written (e.g. ‘ci501-pn-01’ )

DevSlot

UINT

slot of submodule to which the data object is to be written

DevSubSlot

UINT

subslot of submodule to which the data object is to be written

DevIdx

UINT

index of data object to be written

Data

POINTER TO BYTE

pointer to buffer of data to be written

DataLen

UINT

length of data to be written

Output

StatusCode

UDINT

PROFINET status code of write service according to PROFINET specification

AddVal1

UINT

additional value 1 returned from PROFINET IO Device

AddVal2

UINT

additional value 2 returned from PROFINET IO Device