Specifications

4-14
4.2 POUs
4.2.9 EN and ENO
● Usage example of EN and ENO
No Control description
➀
When the EN input is directly connected from the left power rail, the EN input is always TRUE and
the instruction is always executed.
If the ADD_E instruction is used in this manner, the operation result is the same as the ADD
instruction without the EN input.
➁
When Variable_1 is connected to the EN input, the instruction is executed when Variable_1 is
TRUE.
➂
When the result of Boolean operation is connected to the EN input, the instruction is executed
when the result of Boolean operation is TRUE.
➃
When the ENO outputs are connected to the EN inputs, three instructions are executed when
Variable_1 is TRUE.
➄
When the ENO outputs are not connected, the execution result of the instruction is not output.