8400 StateLine C | Reference manual
Function library
System blocks | LS_ParReadWrite_1-3
870 L Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011
16.2.20 LS_ParReadWrite_1-3
The LS_ParReadWrite_1 ... LS_ParReadWrite_3 system blocks serve to read and write local
parameters.
If several system blocks are activated at the same time, the blocks will be processed one
at a time every time the main program is executed.
The SB supports one-time and cyclic reading/writing in an adjustable time interval.
Inputs
Identifier
Data type
Information/possible settings
bExecute
BOOL
Trip read/write request
FALSEÊTRUE If cycle time (C01091) = "0 ms":
One-time
reading/writing of the parameter value which has been
addressed via thewParIndex and wParSubindex inputs.
If cycle time (C01091) > "0 ms":
Cyclic
reading/writing of the parameter value which has been
addressed via the wParIndex and wParSubindex inputs.
TRUEÌFALSE 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.
• As an alternative, this selection can be carried out via C01090 from version
06.00.00.
wParSubindex
WORD
Subcode to be read or written.
• As an alternative, this selection can be carried out via C01090 from version
06.00.00.
wInHWord
wInLWord
WORD
Value to be written (DataHigh/DataLow portion)
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