Structured text functions¶

Functions callable in expressions, with their number of arguments. Conversions X_TO_Y work between BOOL, SINT, INT, DINT, LINT, REAL, LREAL, TIME, WORD, DWORD and BYTE.

Function	Arguments
ABS	1
BCD_TO_INT	1
COS	1
EXP	1
INT_TO_BCD	1
LIMIT	3
LN	1
MAX	2
MIN	2
ROUND	1
SEL	3
SIN	1
SQRT	1
TAN	1
TRUNC	1

Blocks called on their tag: Tag.TON(IN := …, PT := …), TOF, TP, RTO, CTU (CU, R, PV), CTD (CD, LD, PV), PID (PV, SP, CV =>). Routines and blocks: JSR(Name);, "Function"(In := x, Out => y);, "Instance"(…);.