MID
Mid returns a partial string from within a string. MID (STR, LEN, POS) means: Retrieve LEN characters from the STR string beginning with the character at position POS.
FUNCTION MID :STRING(255)
VAR_INPUT
STR :STRING(255);
LEN :INT;
POS :INT;
END_VAR
Example in IL:
LD 'SUSI'
MID 2,2
ST Var1 (* Result is 'US' *)
Example in ST:
Var1 := MID ('SUSI',2,2);
Requirements
Development environment |
Target system type |
PLC libraries to include |
---|---|---|
TwinCAT Version >= 2.6.0 |
PC or CX (x86) |
Standard.Lib |
TwinCAT Version >= 2.6.0 |
BC (165) |
Standard.Lb6 |
TwinCAT Version >= 2.9.0 |
BCxx50 or BX |
Standard.lbx |
TwinCAT Version >= 2.10.0 Build >= 1301 |
CX (ARM) |
Standard.lib |