====== SUB_DT_DT ======

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

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

SUB_DT_DT

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

<code st-iec>
PROGRAM SUB_DT_DT_DEMO
 VAR
     DT1,DT2: DT;
        TIME1: TIME;
    END_VAR
 TIME1:= SUB_DT_DT(IN1:=DT1, IN2:=DT2);
END_PROGRAM
</code>

===== Description =====

Subtracts the input variables, OUT = IN1 - IN2.

===== Inputs =====

|Input|Type|Description|
|IN1  |DT  |Input value|
|IN2  |DT  |Input value|

===== Outputs =====

|Output|Type|Description |
|=>    |TIME|Output value|

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

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