Lenze EtherCAT Controller-based Automation Manuel d'utilisateur télécharger pdf (Page 140)

9 Function library L_IODrvEtherCAT.lib

9.3 Device Interface

140

Lenze · Controller-based Automation · EtherCAT® Communication Manual · DMS 6.4 EN · 04/2014 · TD17

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

9.3.4 L_IODrvEtherCAT (FB)

If an EtherCAT master is created in the configuration tree of a »PLC Designer« project, the system

automatically creates an object of the L_IODrvEtherCAT type.

The name of the function block for the EtherCAT master ist "EtherCAT_Master".

Visualisation: VISU_L_IODrvEtherCAT

Inputs (VAR_INPUT)

Outputs (VAR_OUTPUT)

 Note!

The L_IODrvEtherCAT function block is called in the context of the bus cycle task and

must not be called again in the PLC program.

L_IODrvEtherCAT

BOOL  xRestart xDone  BOOL

BOOL  xStopBus xBusy  BOOL

xError  BOOL

eErrorCode  L_ETC_ERRORCODE

wState  WORD

xDistributedClockInSync  BOOL

Identifier/data type Meaning/possible settings

xRestart

BOOL

A positive edge (TRUE) executes a bus restart.

• The EtherCAT master is first set to the Init state and then to "Operational".

•When xStopBus = TRUE, the positive edge is ignored.

Restarting the EtherCAT fieldbus

( 159)

xStopBus

BOOL

A positive edge (TRUE) executes a bus stop.

• The fieldbus is set to the "Init" state.

Identifier/data type Meaning/possible settings

xDone

BOOL

• TRUE: An action has been executed successfully.

• FALSE: No action active / action is still being executed.

xBusy

BOOL

• TRUE: An action is currently being executed.

•FALSE: No action active

xError

BOOL

• TRUE: An error has occurred.

•FALSE: No error

eErrorCode

L_ETC_ERRORCODE

Error code of the incorrectly executed action (xError =TRUE).

General error codes (L_ETC_ERRORCODE)

( 183)

wState

WORD

Current master state of the L_ETC_STATE (EtherCAT status)

( 158) type

xDistributedClockInSync

BOOL

• TRUE: All DC slaves have been synchronised.

• FALSE: Not all DC slaves have been synchronised.

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 ... 204 205

Commentaires sur ces manuels

Pas de commentaire

Lenze EtherCAT Controller-based Automation Manuel d'utilisateur Page 140

Commentaires sur ces manuels

Produits connexes et manuels pour Équipement Lenze EtherCAT Controller-based Automation