| It is possible by using the system variable #Command. Turning ON the 7th bit of #Command enables I/O. Details of each bit are the followings. |
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| Details of each bit of #Command |
| Bit 0（=1） |
Stop Controller |
| Bit 2（=2） |
Run Controller |
| Bit 3（=4） |
Reset Controller |
| Bit 4（=8） |
Execute 1 scan |
| Bit 5（=16） |
Continue |
| Bit 6（=32） |
Pause |
Bit 7（=128） |
Enable I/0 |
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| Click on [Program Comment] and invert it, then click on [Insert Rung]. And you can add a rung above START. This is the instruction executed only once before scanning other Logic Programs when Controller starts running. |
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| Write 128 in #Command by using MOV on the rung added above START. Then, the 7th bit of the system variable #Command is turned ON before processing other Logic Programs, and it enables I/O without putting a check mark on “Enables I/O” on the software. |
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