Lenze 8400 motec - Manual (Page 498)

12 Function library
12.27 LS_ParReadWrite_1
498 Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05
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12.27 LS_ParReadWrite_1
This function extension is only available from version 04.00.00!
This system block serves to read and write local parameters. It supports one-time and cyclic reading/
writing in an adjustable time interval.
Inputs
Outputs
Identifier
Data type
Information/possible settings
bExecute
BOOL
Trip read/write request
FALSETRUE If cycle time (C01091/1) = "0 ms":
One-time reading/writing of the parameter value which has been
addressed via thewParIndex and wParSubindex inputs.
If cycle time (C01091/1) > "0 ms":
Cyclic reading/writing of the parameter value which has been
addressed via the wParIndex and wParSubindex inputs.
TRUEFALSE Deactivate cyclic reading/writing again.
bReadWrite
BOOL
Selection: Read or write request
FALSE Read request
TRUE Write request
wParIndex
WORD
Code to be read or written.
• This can be alternatively selected via C01090/1.
wParSubindex
WORD
Subcode to be read or written.
• This can be alternatively selected via C01090/1.
wInHWord
wInLWord
WORD
Value to be written (DataHigh/DataLow portion)
Identifier
Data type
Value/meaning
bDone
BOOL
"Read/Write request successfully completed" status signal
• The output is automatically reset to FALSE if a new request is activated via
bExecute or the cycle time (C01091/1) expires.
TRUE Read/Write request successfully completed.
FALSE The FALSE status can have the following meanings:
1.There is no active read/write request.
2.The read/write request has not been completed yet.
3.An error has occurred (if bFail = TRUE).
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