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SA0107: Missing formal parameters

Detects whether or not formal parameters are missing

Justification: Code becomes more readable when formal parameters are specified in the call.

Importance: Low

Example 95. Example
FUNCTION FUNA : BOOL
VAR_INPUT
    bDo : BOOL;
    bInit : BOOL;
    bManual : BOOL;
END_VAR
VAR
    iInit : INT;
    iLocal : INT;
    iManual : INT;
END_VAR

IF bInit = TRUE THEN
    iInit := iInit + 1;
END_IF
IF bDo = TRUE THEN
    iLocal := iLocal + 1;
END_IF
IF bManual = TRUE THEN
    iManual := iManual + 1;
END_IF
FUNA := TRUE;

PROGRAM PLC_PRG
VAR
END_VAR

FUNA(bInit := TRUE, bDo := TRUE, bManual := FALSE);    // OK
FUNA(TRUE, TRUE, bManual:= FALSE);    // SA0107

Output in the Messages view:

  • sa_icon_message.png SA0107: Missing formal parameter for input 'TRUE'



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