Re: [CAD_CAM_EDM_DRO] Re: Yeager CNC Pro and relay settings

Hi Shelby,

The 110V Crydom SSS sounds like what I use. You should be able to put a
digital meter across the input of the SSS and see the voltage swing. If
not, check the wiring. Some "printer" cables DON'T have all 25 wires.
Make sure yours do.

Humm, 4-32 would cut down your noise immunity a little. TTL swings
about .4 - 4.5V. And some parallel ports (especially notebook
computers) can't swing that far. SSS also require a minimum OUTPUT SIDE
voltage, I think the Crydom's is about 48V.

So first, determine the voltage swing that you have across the input
pins. If the swing (in response to M03 and M05 commands) is NOT there,
try another cable and/or PC, and check the port address setting in the
controller program.

If the switch operation is backwards, reverse the controller program
setting.

Check the +5V supplied to the + terminal of the SSS. This supply must
have it's ground connected to the computer's ground (pins 18-25 of PP
cable).

In fact, why not substitute a LED and a 220 ohm resistor in series for
the SSS? Connect it like the little symbols for the SSS.

Are you already using this PP for the stepper signals (I would assume)?
do they run? That checks out quite a lot. The LED and resistor can
also be connected to your direction pin for one of the motors. Moving
first forward and then reverse should toggle the LED.

HTH

Alan KM6VV

shelbyshepherd2002 wrote:

>
> Hi Allan,
>
> Thanks for your help.
>
> The SSR I'm using is an ESR brand model ESR 2002400300 4-32 Vdc
> input and 240 Vac 3 amp output
> Jan Rowland suggested last week that I use a Crydom SSR model
> D2W202F 3-32Vdc, nominal Input Impedance 1500 Ohm, Typical Input
> Current @ 5volt 3.0 mAdc, Must Turn On Voltage 3.0 Vdc, Must Turn
> Off Voltage 1.0 Vdc.
> (The ESR brand was the lowest voltage I could procure as I'm in New
> Zealand and some parts are really hard to source)
>
> Web site for ESR company:
> http://web3.eceusa.com:9000/product/product_index.htm.
>
> It is turning a 110 Vac, 5VA solinoid on and off for an air
> cylinder.
>
> You say it needs to be 3 - 30 volt control type, the unit that is
> being used is 4-32 volt, could this be the problem why it may not be
> working?
>
> Here is the G code for the CNC Pro for the user defined output
> switches: http://www.yeagerautomation.com/specs.htm
> M03 user defined output 1 on
> M04 user defined output 4 on
> M05 user defined output 1 & 4 off
> M07 user defined output 2 on
> M08 user defined output 3 on
> M09 user defined output 2 & 3 off
> M10 user defined output 4 on
> M11 user defined output 4 off
>
> I got a bit lost on the computer language below, how would you apply
> that?
>
> Thanks again. Great newsgroup.
>
> Shelby
>
> Mariss from Gecko if you are reading this.....I have not received
> the Gecko driver yet for Sam @ Global Electronics, Christchurch New
> Zealand, maybe it will be in the post next week.
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, Alan Marconett KM6VV
> <KM6VV@a...> wrote:
> > Hi Shelby,
> >
> > Thanks for the complements. I was wondering if anyone had seen it!
> >
> > The resistor is probably not needed, however it did help on one
> > computer.
> >
> > M01 is optional stop, you probably mean M03 for spindle CW on?
> >
> > This is ESSENTIALLY what I do in 'C' for the spindle:
> >
> > M3_OUTPUT_PIN = 1;
> > M4_OUTPUT_PIN = 2;
> > CMD_MASK = 0x1B;
> > SPP_CMD = 2;
> >
> > /* for M03 Spindle CW */
> > Mbits &= ~M3_OUTPUT_PIN; /* I n (pin 1)
> strobe */
> > Mbits |= M4_OUTPUT_PIN; /* I n (pin 14)
> autofd */
> > Mbits ^= CMD_MASK; /* flip bits
> */
> > outp(LPTbase + SPP_CMD, Mbits); /* out cmd
> */
> >
> > /* for M04 Spindle CCW */
> > Mbits &= ~M4_OUTPUT_PIN; /* I n (pin 14)
> autofd */
> > Mbits |= M3_OUTPUT_PIN; /* I n (pin 1)
> strobe */
> > Mbits ^= CMD_MASK; /* flip bits
> */
> > outp(LPTbase + SPP_CMD, Mbits); /* out cmd
> */
> >
> > /* for M05 spindle OFF */
> > Mbits |= M4_OUTPUT_PIN; /* I n (pin 14)
> autofd */
> > Mbits |= M3_OUTPUT_PIN; /* I n (pin 1)
> strobe */
> > Mbits ^= CMD_MASK; /* flip bits
> */
> > outp(LPTbase + SPP_CMD, Mbits); /* out cmd
> */
> >
> > Don't know if this helps, but you'll see that we end setting the
> bit to
> > 1 to cause the printer line to go Active low. It all gets tricky
> as the
> > parallel port inverts some lines, and not others.
> >
> > Check with Yeager (or just try it both ways) on the setting in
> CNCpro.
> > I'd guess you've got it backwards for this wiring. We want the
> line to
> > go LOW on activation, and HIGH to turn it off. The SSS has it's +5
> > connected to +5, and it's - connected to the printer line. When
> the
> > line goes low (.5V), there is 5V across the SSS, and it turns on.
> The
> > SSS must be the 3-30V control type, and you must be switching at
> least
> > 24VAC, as I recall.
> >
> > If you don't see the line (pin 1 of parallel port) change as you
> issue
> > the M03 or M05, then the PP address is possibly incorrect.
> >
> > HTH
> >
> > Alan KM6VV
> >
> >
> >
> >
> > shelbyshepherd2002 wrote:
> > >
> > > Hi Alan,fortino,
> > >
> > > I had wired my machine from your wiring diagram Alan, (very easy
> to
> > > follow, thank you)
> > > I forgot to mention, had a dwell time in the test code between
> M01
> > > (on)and M05 (off), when it got to M01 line the LED was off and
> come
> > > on at the dwell line and off on the M04 line.
> > > There was no reading on a test meter on any lines.
> > > The setting is on "default" which is HIGH in CNC Pro.
> > > There is no resistor installed, is this really necessory on your
> > > wiring diagram Alan?
> > >
> > > Shelby
> > >
> > > --- In CAD_CAM_EDM_DRO@yahoogroups.com, Alan Marconett KM6VV
> > > <KM6VV@a...> wrote:
> > > > Hi Fortino, Shelby,
> > > >
> > > > To drive a load like a SSS, you want the parallel port to SINK
> > > current.
> > > > Some parallel ports cannot SOURCE current as you describe.
> > > >
> > > > I suggest you connect the + of the SSS to +5V, and pin 1 to
> the -
> > > > terminal. then when the pin goes low (>.5V or so), the SSS
> will
> > > turn
> > > > on.
> > > >
> > > > My DriverPS PDF in the files of this group might be of help:
> > > >
> > > >
> http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/DriverPS/
> > > >
> > > > HTH
> > > >
> > > > Alan KM6VV
> > > > SherlineCNC
> > > >
> > > > fortino wrote:
> > > > >
> > > > > First, Pin 1 should be +5 V when it is turn on (set high when
> > > enabled). The
> > > > > negative should go to the logic ground.
> > > > > Don't forget to put small resistance ( I use 0.5-1 ohm
> > > resistor). Just in
> > > > > case you short your parallel port output.
> > > > >
> > > > > Second, to turn on the Output 1 the G code should be M03,
> while
> > > to turn off
> > > > > the Output 1 the G code is M05.
> > > > >
> > > > > Fortino
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "shelbyshepherd2002" <cabrillo_shepherd@m...>
> > > > > To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> > > > > Sent: Thursday, July 31, 2003 4:53 PM
> > > > > Subject: [CAD_CAM_EDM_DRO] Yeager CNC Pro and relay settings
> > > > >
> > > > > > Hi all,
> > > > > >
> > > > > > I need some help on the settings within CNC pro for a solid
> > > state
> > > > > > relay to activate a solinoid.
> > > > > > It is using pin 1 to the neg on the relay and 5 volt to
> > > positive
> > > > > > from games port, should it be set on high or low?
> > > > > > This is the sample G code I used to test with but the relay
> > > did not
> > > > > > appear to work.
> > > > > >
> > > > > > G01 X5 Y5
> > > > > > M01 (to turn on)
> > > > > > M0 (to turn off)
> > > > > > X0 Y0
> > > > > >
> > > > > > Any ideas welcome on settings or a sample G code to test
> with.
> > > > > >
> > > > > >
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