Lenze PLC Designer R3-x Uživatelský manuál stáhnout pdf (Strana 107)

Lenze · Commissioning of Lenze drives · 1.3 EN - 06/2014 107

The L_DCO_DriveCommunication library

Function blocks

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Outputs

12.3.4 L_DCO_TransferDriveParameter

This FB reads and write the parameters of a Lenze inverter (logic axis) that is connected to the

Controller via a bus system. The parameters are defined via an array structure.

Inputs

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

xError

BOOL

Error status output

TRUE During the processing an error has occurred

FALSE No error

eError

L_DCO_Error

Error number

sValue

STRING

Read parameter value

byNrOfByte

BYTE

Length of the read value

Function library: L_DCO_DriveCommunication

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

L_DCO_TransferDriveParameter

L_DCO_AXIS_REF_BASE ⎯ Axis xDone ⎯ BOOL

BOOL ⎯ xExecute xBusy ⎯ BOOL

POINTER TO

L_DCO_TransferData

⎯ pscParameterData xError ⎯ BOOL

DWORD ⎯ dwSizeParameterData eError ⎯ L_DCO_Error

BOOL ⎯ xUseIndexAsParam dwData ⎯ WORD

wIndexCounter ⎯ WORD

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/write 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.

pscParameterData

POINTER TO

L_DCO_TransferData

Here, the address of the array structure of the L_DCO_TranferData type must be

transmitted

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