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Search: Posts Made By: drbitboy
Forum: LIVE PLC Questions And Answers November 28th, 2020, 04:21 PM
Replies: 14
Views: 1,265
Posted By drbitboy
no need to apologize, one of the benefits of a...

no need to apologize, one of the benefits of a forum is that the conversation is asynchronous, so people can participate as much or as little as they can.
Forum: LIVE PLC Questions And Answers November 28th, 2020, 01:57 PM
Replies: 14
Views: 1,265
Posted By drbitboy
An alternative would be to call it an Alarm...

An alternative would be to call it an Alarm Acknowledge, so the operators must acknowledge that there was an alarm condition. It depends on the severity of the condition, i.e. is it important to...
Forum: LIVE PLC Questions And Answers November 28th, 2020, 12:43 PM
Replies: 14
Views: 1,265
Posted By drbitboy
That is intentional: there is a difference...

That is intentional: there is a difference between alarm reset and alarm disable. If it can be disabled, what is the point of having an alarm?
Forum: LIVE PLC Questions And Answers November 28th, 2020, 10:37 AM
Replies: 14
Views: 1,265
Posted By drbitboy
A momentary button, between [the_ton.DN] and...

A momentary button, between [the_ton.DN] and [Alarm_Out], that needs to be pressed and held is not a reset button; it is a [temporary silence/disable alarm]. That's why I improved the code from post...
Forum: LIVE PLC Questions And Answers November 24th, 2020, 03:20 PM
Replies: 14
Views: 1,265
Posted By drbitboy
Good point; it will depend on the application. ...

Good point; it will depend on the application.


Thanks.
Forum: LIVE PLC Questions And Answers November 23rd, 2020, 06:38 AM
Replies: 14
Views: 1,265
Posted By drbitboy
I thought some more about this, and my previous...

I thought some more about this, and my previous post #4 may have the reset logic in the wrong place, as it allows the operator to suppress the alarm by laying a wrench on the reset button.

...
Forum: LIVE PLC Questions And Answers November 20th, 2020, 04:50 PM
Replies: 14
Views: 1,265
Posted By drbitboy
This is probably more than the OP asks for;...

This is probably more than the OP asks for; remove the blue code sections for the bare minimum.


Behavior


An Event occurs at time T
If The_Coil closes before time (T+10000ms), then there...
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