Machine Towerlight (Green,Red,Yellow) light ON State Time Duration Measurement

Ignition
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Hi Everyone,

Need your guide and suggestion.

Actually, I want to record the ON state duration of our packing machines towerlight status (Green, Red, Yellow). Like when the batch started (success count > 200), how much time (in minutes) the machine has spent on the Green Light (running state), on the Red Light (fault state) and on the Yellow light (standby/stopped by the operator state).

As, this duration will help me in the OEE calculation.

Previously, I tried the tag event script (on value change) where a while loop runs and increment a 'Running_Duration' tag for every minutes passed. This works well when I applied this for Green light boolean state, but when I do this for other two lights. The script keeps running and not stopping. After studying from the forum found that loops are not a good idea to run in the tag event script.

So kindly guide me to accomplish this task :slight_smile:

2

You have this question open in multiple topics, and with answers. It is against this forum's rules to do that. At least, not without linking to the other topics.

3

This question is different from my previous post.

Here I am asking for people's suggestions and there experience if they have gone through same scenarios or done something like this.

4

It seems like it would be simpler to put a timer in the PLC program, and then track the timer's accumulated value in ignition with an OPC tag.

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