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Guest abenaki

online programming of Automation Direct PLCs

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Is it possible to program and/or modify the plc program while being online (in monitor mode)? Do one needs to go offline, modify the program (add logic...), download the new version and then put the plc back in run mode. i.e. can someone do some program changes while in run mode?

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It is not a true online edit like the slc line has. When you attempt to download, the processors pauses while the program changes are loading. While this is happening no updates happen to your i/o so you have to be carefull and know your process. When the program is done loading the plc will automatically go back to run mode. This is not like the micrologix for example, where you have to go completely offline before you can download.

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