Lenze DDS Function library 8200 Drive Uživatelský manuál stáhnout pdf (Strana 22)

3.3 L_8200DataControl − Send/receive process data

Function library Lenze8200Drive.lib

Functions/function blocks

3−10

Lenze8200Drive.lib EN 1.0

3.3 L_8200DataControl − Send/receive process data

Function block

This FB is used to exchange process data with the frequency inverter.

· The FB internally uses a free CAN send and receive object. It is therefore possible to transmit

and receive 8 bytes of user data.

Note!

For the provision of free CAN send and receive objects, function library LenzeCanDrv.lib must be

integrated in the project.

· For data exchange via the free CAN objects the driver for the free CAN objects must be

initialised in a program (e. g. "PLC_ColdStart").

The FB L_8200DataControl must be called in a task−controlled program.

L_8200DataControl

wControlData

nNSetN1_a

tCycleTime

bResetFail

tTimeOut

bEnable

bResetNode

byNodeAddr

CTRL

nStateDataTo82

nStateDataFrom82

8200

Node address = byNodeAddr

System bus (CAN)

wBoostVoltage

wInputData

1+2

data bytes:

3+4

5+6

7+8

1+2

3+4

5+6

7+8

bFail_DataTo82

bFailDataFrom82

wStatusData

nMCtrl_Nout_Slip

wOutputData3

wOutputData4

CAN2_OUT CAN2_IN

FB call in: o Cyclic task

(PLC_PRG)

þ Time−controlled task

(INTERVAL)

o Event−controlled task

(EVENT)

o Interrupt task

Inputs Data type Information/possible settings

bEnable Bool Start process data transfer

FALSE ä TRUE Start process data transfer.

bResetNode Bool Carry out a Reset−Node in the frequency inverter.

· After a Reset−Node, the frequency inverter accepts the parameter settings which are relevant for

communication and changes to "Operational".

· The Reset−Node is only carried out in the frequency inverter with device address byNodeAddr.

FALSE ä TRUE Carry out Reset−Node.

byNodeAddr Byte Device address (1 ... 63) of the frequency inverter with which process data are to be exchanged.

tCycleTime Time Cycle time for sending the process data to the frequency inverter.

tTimeOut Time Monitoring time (time−out) for receiving the process data from the frequency inverter.

bResetFail Bool Reset message signals for error messages

FALSE ä TRUE The message signals bFail_DataTo82 and bFail_DataFrom82 are reset.

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