====== SUB ======

{{:en:mervis-ide:35-help:sub.png}}

===== Function name =====

SUB

===== ST call =====

<code st-iec>
PROGRAM SUB_DEMO
   VAR
     REAL1,REAL2,REAL3: REAL;
    END_VAR
 REAL3:= SUB(IN1:=REAL1, IN2:=REAL2);
END_PROGRAM
</code>

===== Description =====

Subtracts the input variables, OUT = IN1 - IN2.\\


===== Inputs =====

|Input|Type         |Description|
|IN1  |ANY_MAGNITUDE|Input value|
|IN2  |ANY_MAGNITUDE|Input value|

===== Outputs =====

|Output|Type         |Description |
|=>    |ANY_MAGNITUDE|Output value|

===== Application example =====

{{:en:mervis-ide:35-help:sub_example.png}}