Lenze PLC Designer R3-x Bedienungsanleitung PDF herunterladen (Seite 106)

The L_DCO_DriveCommunication library

Function blocks

106

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

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12.3.3 L_DCO_ReadDriveParameterString

This FB reads a parameter of "String" data type of a Lenze inverter ("logic" axis") which is connected

to the Controller via a bus system and provides this to the application.

Inputs

xError

BOOL

Error status output

TRUE During the processing an error has occurred

FALSE No error

eError

L_DCO_Error

Error number

dwData

DWORD

Read parameter value

byNrOfByte

BYTE

Length of the read value

Identifier/data type Information/possible settings

Function library: L_DCO_DriveCommunication

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

L_DCO_ReadDriveParameterString

L_DCO_AXIS_REF_BASE ⎯ Axis xDone ⎯ BOOL

BOOL ⎯ xExecute xBusy ⎯ BOOL

WORD ⎯ wIndex xError ⎯ BOOL

BYTE ⎯ bySubIndex eError ⎯ L_DCO_Error

BOOL ⎯ xUseIndexAsParam sValue ⎯ STRING

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.

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