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Configuring LinuxCNC
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Basic Configuration
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Configuration simoreg 6RB2030 siemens
Configuration simoreg 6RB2030 siemens
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28 Aug 2012 22:00 #23726
by andypugh
jlviloria wrote:
a selenoid valve (labeled E in figure) is energized to index turret. The plunger of the acceleration /deceleration valve begins to retract from the cam and the hydraulic motor begins rotate. The hydraulic motor drives the turret through a gear train in the direction shown in figure 7.1.1. the speed os motor/turret rotation increases as the valve plunger retracts from the cam.
Well, I have no idea how it works, but it seems to use simple on/off solenoid valves.
I think you will need _something_ to control them, as all the 7i33 outputs have a job I think? But it could be one of the cheaper Mesa breakout cards, or even something you make yourself. (I made a relay driver board using ULN2003 chips)
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29 Aug 2012 01:31 #23733
by jlviloria
friend thanks for your response and for your patience ..
attached is a picture of how the turret for the back.
But it could be one of the cheaper Mesa breakout cards, or even something you make yourself. (I made a relay driver board using ULN2003 chips)
that reference is that cards mesa that served me. I thought friend 5i25 +7 I77 as it handles 6 axis. you think?
I'm hoping that with the help of the community to define the purchase of the cards I need. They know I'm new to the subject.
thanks,
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29 Aug 2012 08:49 #23739
by andypugh
jlviloria wrote:
that reference is that cards mesa that served me. I thought friend 5i25 +7 I77 as it handles 6 axis. you think?
That might be a good choice. You can use the extra encoders. (Do you need a spindle encoder?)
I don't think that the Analog outputs will control the hydraulic motors, I think they will need relays.
However, the 7i77 has a number of general purpose input/putput (GPIO) pins for controlling relays etc. Only 300mA though, so you would need to check the spec of the hydraulic valves.
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30 Aug 2012 13:17 #23768
by jlviloria
(Do you need a spindle encoder?)
yes, spindle has encoder.
Andy, the machine has block and board of relay: potter & brunfield
OAC-24 AC Output, 12-140 VAC, 24 VDC Logic qty=35
ODC-24 DC Output, 5-60 VDC, 24 VDC Logic qty=9
W78ACSX-5 3amp, 120vac/30vdc res 1/10hp qty=13
all valve selenoid 110/120vac
REF: VS5M-1A-GMRB-60L-J 120-110VAC 50-60HZ the documentation 60L holding current 0.40 Amp means that not work? because of 300mA is passed.
Watch for a reply, thanks
Jorge Viloria
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30 Aug 2012 13:27 #23770
by andypugh
jlviloria wrote:
OAC-24 AC Output, 12-140 VAC, 24 VDC Logic qty=35
ODC-24 DC Output, 5-60 VDC, 24 VDC Logic qty=9
W78ACSX-5 3amp, 120vac/30vdc res 1/10hp qty=13
REF: VS5M-1A-GMRB-60L-J 120-110VAC 50-60HZ the documentation 60L holding current 0.40 Amp means that not work? because of 300mA is passed.
If you can afford it, I think a Mesa 7i64 would be a good choice.
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30 Aug 2012 14:18 #23771
by jlviloria
Andy, My configuration looks like this:
(5i25) + (7i77) + (7i64)
thank you very much friend. I've read a thread on how to configure these cards pnconf wizard. but the battle is far harder. if God permits will document everything in one thread. to see the progress.
I hope you join me. it will be hard.
Thank you.
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30 Aug 2012 15:16 #23773
by PCW
The OAC-24 and ODC-24 are drivable by the 7I77 outputs (but you have 44 total)
I would suggest a 7I71 (or 7I72 depending on how the OAC/ODCs are wired) to add enough outputs to drive these
This leaves you with the W78ACSX-5's and theVS5M-1A-GMRB-60L-J to drive (unless they were driven by the OAC SSRs (Solid State Relays) These are both 120VAC driven so cannot be directly driven by any of our daughtercards. So either they already connect to some of the OAC-24 outputs or you will need some SSRs to drive these
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30 Aug 2012 15:34 #23774
by jlviloria
pcw,
I appreciate your response.
1. as I can determine if I should use (or 7i72 7171)??
2. in a past thread. andypugh, you told me you could guide me if I can use the 8i20 with my Siemens 1FT5 servomotor, 22Nm, 32.4Amp, permanent-magnet motor.
3. then the best configuration would be: (5i25) + (7i77) + (7i71 or 7i72)
thanks.
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31 Aug 2012 02:19 #23786
by PCW
The difference in the 7I71 and 7I72 is that the 7I71 is a sourcing driver and the 7I72 is a sinking driver.
This means that loads driven by the 7I71 will have a common ground or - terminal
and loads driven by the 7I72 will have a common + terminal. Depending on how your machine is wired (how are the OAC and ODC SSRS wired on their 24VDC side) using an output card that matches the existing wiring will simplify the retrofit.
That is to say if all of the + input sides of your OAC24s go to +24V You need a 7I72
but if all the - inputs of the OAC24s go to ground, you want a 7I71...
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31 Aug 2012 09:27 #23794
by andypugh
PCW wrote:
That is to say if all of the + input sides of your OAC24s go to +24V You need a 7I72
but if all the - inputs of the OAC24s go to ground, you want a 7I71...
This was why I was suggesting the 7i64, as it allows you to mix-and-match voltages and wiring methods.
It is rather more expensive, though.
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Configuring LinuxCNC
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Basic Configuration
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Configuration simoreg 6RB2030 siemens
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