SUB
PROGRAM SUB_DEMO VAR REAL1,REAL2,REAL3: REAL; END_VAR REAL3:= SUB(IN1:=REAL1, IN2:=REAL2); END_PROGRAM
Subtracts the input variables, OUT = IN1 - IN2.
| Input | Type | Description |
| IN1 | ANY_MAGNITUDE | Input value |
| IN2 | ANY_MAGNITUDE | Input value |
| Output | Type | Description |
| ⇒ | ANY_MAGNITUDE | Output value |