Sam was talking about a classicladder output. You never have more than 
one output in a ladder logic as the status of the last one wins and that 
will be the state of the output when they are updated.

John

On 10/28/2012 3:38 AM, Viesturs Lācis wrote:
> 2012/10/28 Jason Burton <lathebuil...@gmail.com>:
>> Crosstalk between spindle power lines and solenoid control lines perhaps?
> As it can be seen in that video, it is purely in software.
>
> 2012/10/28 sam sokolik <sa...@empirescreen.com>:
>>    I have not had that happen that I know of...  Some things to check on
>> is if you have enough objects allocated in your hal file..  (ie loadrt
>> classicladder_rt numRungs=12 numBits=100 numWords=10 numTimers=10
>> numMonostables=10 numCounters=10 numPhysInputs?=10 numPhysOutputs?=10
>> numArithmExpr?=100
>> numSections=4 numSymbols=200 ...)
>>
>> Funky things happen when you try to add something and there isn't enough
>> allocated..
> I did at least try to check for that. I did run out of IEC Timers, and
> I was also informed about that with error message, so I fixed that.
> I feel pretty confident that everything should be fine about this.
>
>> Also - don't have an output (coil) in more than one place..
> Ok, I definitely have violated this one. I have outputs being turned
> on by timers or by pyvcp buttons, connected to ladder inputs. A
> hardware switch selects it.
>
> What is the best approach to fix that? Should I simply leave overall
> scheme as it is and use internal coils (%Bnn) so that they turn the
> real output on/off only in one place? Or should I put all the possible
> inputs for certain output in one rung (or two with some internal coil)
> and not as they are now - scattered all in different places according
> to sequence of how all the things were added.
>


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