>
> I have 2.5.3 version and in Classicladder editor window I see only
> "compare" block. Where do I get "operate" block? I see it in
> screenshots here:
> http://www.vdwalle.com/Norte/Classic%20Ladder%20Examples.html
>


Slightly off-tangent here.  There's an explanation line in the second
paragraph of 1.1 Basic Concepts:

"If you are a logic kinda guy the line says If B0 is off AND either B1 OR
Q0 is on then coil Q0 is on."

Shouldn't that be:

"If you are a logic kinda guy the line says If B0 is "on" AND either B1 OR
Q0 is on then coil Q0 is on."

According to the paragraph above this, B0 is normally closed.  With B0
"off", or open, and either B1 or Q0 is on, then coil Q0 should be off.

Mark
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