From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: [Emc-users] Classicladder counter
Date: Wed, 30 Jul 2008 06:22:22 +0000
Hi Terry
If you use use variable %C0.V in a compare block It will tell you what the
current number is in the counter.
eg. ---------[%C0.V=4}----------(Q1)
You can also set the value of the counter using the same variable in an equate
block.
eg. |B1|-----------------------------[%C0.V=4]
You can export the counter number to a HAL component by using an equate block
to assign it to a S32out word variable. But you have to set up the realtime
module to create S32 in and out pins . ( I don"t think this was what you were
asking though If it is then I will tell you how if you need)
If you want to reset the counter to zero then the reset pin is the way to go
otherwise to set to another number (say 1) then use preset and assign 1 to the
preset property.
Have you read this?
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?ClassicLadder
Chris Morley
> From: [EMAIL PROTECTED]
> To: [email protected]
> Date: Tue, 29 Jul 2008 22:18:31 -0700
> Subject: [Emc-users] Classicladder
>
>
>
> Hi,
>
> I have a tool changer that needs to be homed each day(at least it
> did with the origional control),because it has no encoder--it counts
> revolutions on the gear motor that is driving the magazine,one rev of
> the motor is one tool station advanced.There will be a counter in classic
> that would watch this gear motor switch.
>
> There is a prox switch for homing the magazine
>
> This is my plan for the homing:
>
> A push button switch that the operator would hold down (or a timer to keep it
> going after momentary closing) for at least one rev of the magazine,prox
> switch
> gets made at some point on this one revolution.
>
> Would the rung that reads the home prox switch go like:
>
> a NO contact(home switch input) on the left side and this will go to
> the R (reset?) input on the counter block?
> This input needs to reset the counter
>
> I looked through the examples in the download of classicladder on the
> sourceforge and there was no examples of the counter being used that I saw
>
>
> and the switch on the gear motor doing the counting:
>
> NO contact on the left and this hooks to the U(up counting) input on the
> counter ?
>
> Is the value of the counter usable in a compare block?
>
> Thanks
>
> Terry
>
>
>
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