General list discussion, and a brief design proposal

J

Johan Bengtsson

I have seen it in other places (one I recall is in IC datasheets) I do not know where it is from originally but I see one (small - admit that) advantage, less possibility to be confuse between O and 0. (One being a letter and another being a digit).

I really don't think it matters but I think we should follow IEC on this.


/Johan Bengtsson

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J

Jan Krabbenbos

M
You could be right, however IMHO it is a smoke screen.

I have used I and O to mean inputs and outputs, without any confusion for ten years. Modicon uses 1 and 0, also without, in my case at least any
confusion.

Certainly, some of the people on the IEC commitee are make a great deal about FBD, and its similarity to wiring IC circuitry. I suspect that there are a number of reasons.

In any case, as my previous post on the subject stated it is largely irrelevant. My preference is for IEC compliance, but my compiler will support both.

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