Detailed Description 
  2.12 Block descriptions 
PLC Basic Program Solution Line (P3 sl) 
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0 
2-107 
 
Addr3 :  ANY ; 
 
Addr4 :  ANY ; 
 
WVar1 :  WORD ; 
 
WVar2 :  WORD ; 
 
WVar3 :  WORD ; 
 
WVar4 :  WORD ; 
 
WVar5 :  WORD ; 
 
WVar6 :  WORD ; 
 
WVar7 :  WORD ; 
 
WVar8 :  WORD ; 
 
WVar9 :  WORD ; 
 
WVar10 :  WORD ; 
END_VAR 
VAR_OUTPUT 
 
Error :  BOOL ; 
 
Done :  BOOL ; 
 
State :  WORD ; 
END_VAR 
Description of formal parameters 
The following table shows all formal parameters of the function PI_SERV. 
 
Signal  Type  Type  Value range  Remarks 
Req  I  Bool    Job request 
PIService  I  Any  [DBName].[VarName] 
default is: 
"PI".[VarName] 
PI service description
1)
 
Unit  I  Int   1...  Area number 
Addr1 to Addr4  I  Any  [DBName].[VarName] Reference to strings specification 
according to selected PI service 
WVar1 to WVar10  I  Word   1...  Integers or word variables. Specification 
according to selected PI service. 
Error  Q  Bool    Negative acknowledgment of job or 
execution of job impossible 
Done  Q  Bool    Job successfully executed 
State   Q  Word    See error identifiers 
1) 
See README file on basic program diskette supplied