Lenze PLC Designer R3-x Manual de usuario descargar pdf (Pagina 105)

Lenze · Commissioning of Lenze drives · 1.3 EN - 06/2014 105

The L_DCO_DriveCommunication library

Function blocks

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12.3.2 L_DCO_ReadDriveParameter

This FB reads the parameters out of a Lenze controller (logic axis) and provides them to the

application.

• Parameter values of max. 32 bits can be read.

• The parameter to be read can be defined as index or code number.

• The FB is independent of the used bus system.

Inputs

Outputs

Function library: L_DCO_DriveCommunication

Runtime software licence:  LPC 1x00  MPC 1x00  MPC 2xx0  MPC 3x00

L_DCO_ReadDriveParameter

L_DCO_AXIS_REF_BASE ⎯ Axis xDone ⎯ BOOL

BOOL ⎯ xExecute xBusy ⎯ BOOL

WORD ⎯ wIndex xError ⎯ BOOL

BYTE ⎯ bySubIndex eError ⎯ L_DCO_Error

BOOL ⎯ xUseIndexAsParam dwData ⎯ DWORD

byNrOfByte ⎯ BYTE

Identifier/data type Information/possible settings

Axis

L_DCO_AXIS_REF_BASE

Connection of the axis data of the controller (Logic nodes)

xExecute

BOOL

Activation of the "Read parameters" function

FALSETRUE Transmitting a parameter read request

FALSE Outputs are reset

• If the execution of the FB has not been completed yet:

• Outputs are reset after request has been completed

• Status signals are at least set for one cycle.

wIndex

WORD

Index of the parameter to be read

•If xUseIndexAsParam = TRUE: Indication of the parameter/code number

bySubIndex

BYTE

Subindex of the parameter to be read

xUseIndexAsParam

BOOL

FALSE Selection indices according to CANopen

TRUE Selection indices according to Lenze parameters.

• The value given at wIndex is interpreted as parameter/code

number.

Identifier/data type Information/possible settings

xDone

BOOL

TRUE: Read request completed

xBusy

BOOL

Status output "Read request sent"

TRUE The read request has been transmitted to the system. The FB waits

for the response of the request.

FALSE No read request active

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Lenze PLC Designer R3-x Manual de usuario Pagina 105

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