WMID
The function WMID supplies a substring of a WSTRING.
WMID(STR, LEN, POS) means: Fetch LEN characters from WSTRING STR beginning with the character at position POS.
FUNCTION WMID: WSTRING (255)
VAR_INPUT
STR : WSTRING(255);
LEN : INT;
POS : INT;
END_VAR
Example in IL:
LD “SUSI“
WMID 2,2
ST Var1 (*Result is “US“*)
Example in ST:
Var1 := WMID (“SUSI“,2,2);
Requirements
|
Development environment |
Target system type |
PLC libraries to be linked |
|---|---|---|
|
TwinCAT v3.0.0 |
PC or CX (x86) |
Tc2_Standard |