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Discussion Groups | BasicX | steering pneumatic valves?
Discussion forum for the BasicX family of microcontroller chips.
Re: steering pneumatic valves? - Neil Jepsen - Jun 2 20:06:00 2002
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Beware..some SSR are not opto-isolated from the mains, and a fault in the SSR or some grounding conditions on the BX24 could result in a "BANG" I would only use opto coupled SSRs if directly connecting to the BX24, or else put an opto coupler ( and a separate power supply) into use. The separate power supply is necessary because it makes little sense using an opto then using the same power supply to power boths sides of the opto! neil "Harry J. White" wrote: > The solid state relay I used just minutes ago is a Sharp s101s05v. I > put a > 500 ohm resistor in series with the control pins and applied 5V. I > was able > to turn on and off the desk lamp I connected to the output pins. If > you > apply ohm's law I was only feeding 1ma into the control side of the > SSR. > The BasicX can source 20ma and sink 25ma. Theoretically you could > power up > to 25 SSR's with one pin. The relay was purchased from a local Radio > Shack. > It works. Try it. Good luck. > -----Original Message----- > From: Tom De Weyer [mailto:] > Sent: Wednesday, June 12, 2002 8:25 AM > To: > Subject: RE: [BasicX] steering pneumatic valves? > Thanks for the quick reply. > I found a relay like U mentioned it has a 5v input but it draws 90mA > of > current isn't that to much for the basicx processor (I need more then > one > relay, one on each available output pin)? > > Thanks, > Tom > )))-----Original Message----- > )))From: Harry J. White [mailto:] > )))Sent: dinsdag 11 juni 2002 13:38 > )))To: ' > )))Subject: RE: [BasicX] steering pneumatic valves? > ))) > ))) > )))Solid state relay is probably your best bet. You can get one from > Radio > )))Shack and the control signal can be driven directly from one of > )))the pins of > )))the basicX chip. > ))) > )))-----Original Message----- > )))From: Tom De Weyer [mailto:] > )))Sent: Tuesday, June 11, 2002 6:12 AM > )))To: Basicx@Yahoogroups. Com > )))Subject: [BasicX] steering pneumatic valves? > ))) > ))) > )))Hey everyone, > ))) > )))Is there an easy way to activate and deactivate pneumatic valves > with the > )))basicx chip? > ))) > )))The valves are steered with a relay of 24V and 0,1A. > )))what kind of circuit should I build? > ))) > ))) > )))Thanks in advance, > ))) Tom De Weyer > ))) > ))) > )))This is probably a stupid question, but I'm not that experienced in > > )))electronics. > ))) > ))) > )))> Service. > ))) > ))) > ))) > ))) > )))[Non-text portions of this message have been removed] > ))) > ))) > ))) > ))) > ))) > ))) > > [Non-text portions of this message have been removed] > Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. [Non-text portions of this message have been removed] |
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steering pneumatic valves? - Tom De Weyer - Jun 11 5:11:00 2002
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Hey everyone, Is there an easy way to activate and deactivate pneumatic valves with the basicx chip? The valves are steered with a relay of 24V and 0,1A. what kind of circuit should I build? Thanks in advance, Tom De Weyer This is probably a stupid question, but I'm not that experienced in electronics. |
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RE: steering pneumatic valves? - Harry J. White - Jun 11 6:38:00 2002
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Solid state relay is probably your best bet. You can get one from Radio Shack and the control signal can be driven directly from one of the pins of the basicX chip. -----Original Message----- From: Tom De Weyer [mailto:] Sent: Tuesday, June 11, 2002 6:12 AM To: Basicx@Yahoogroups. Com Subject: [BasicX] steering pneumatic valves? Hey everyone, Is there an easy way to activate and deactivate pneumatic valves with the basicx chip? The valves are steered with a relay of 24V and 0,1A. what kind of circuit should I build? Thanks in advance, Tom De Weyer This is probably a stupid question, but I'm not that experienced in electronics. > Service. [Non-text portions of this message have been removed] |
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RE: steering pneumatic valves? - Tom De Weyer - Jun 12 7:25:00 2002
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Thanks for the quick reply. I found a relay like U mentioned it has a 5v input but it draws 90mA of current isn't that to much for the basicx processor (I need more then one relay, one on each available output pin)? Thanks, Tom )))-----Original Message----- )))From: Harry J. White [mailto:] )))Sent: dinsdag 11 juni 2002 13:38 )))To: ' )))Subject: RE: [BasicX] steering pneumatic valves? ))) ))) )))Solid state relay is probably your best bet. You can get one from Radio )))Shack and the control signal can be driven directly from one of )))the pins of )))the basicX chip. ))) )))-----Original Message----- )))From: Tom De Weyer [mailto:] )))Sent: Tuesday, June 11, 2002 6:12 AM )))To: Basicx@Yahoogroups. Com )))Subject: [BasicX] steering pneumatic valves? ))) ))) )))Hey everyone, ))) )))Is there an easy way to activate and deactivate pneumatic valves with the )))basicx chip? ))) )))The valves are steered with a relay of 24V and 0,1A. )))what kind of circuit should I build? ))) ))) )))Thanks in advance, ))) Tom De Weyer ))) ))) )))This is probably a stupid question, but I'm not that experienced in )))electronics. ))) ))) )))> Service. ))) ))) ))) ))) )))[Non-text portions of this message have been removed] ))) ))) ))) ))) ))) ))) |
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Re: steering pneumatic valves? - Stephane Richard - Jun 12 7:53:00 2002
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have you ever consider using a driver chip like the National Semiconductor DS2003 or similar ? That IC can drive up to 8 relay coils at up to 100ma per coil. It also has diode to suppress any reverse voltage. The IC can also be directly controlled by the BX since it requires only 0-5V signal. The DS2003 is a 8 channels darlington "sink" driver. Stephane ----- Original Message ----- From: "Tom De Weyer" <> To: <> Sent: Wednesday, June 12, 2002 8:25 AM Subject: RE: [BasicX] steering pneumatic valves? > Thanks for the quick reply. > I found a relay like U mentioned it has a 5v input but it draws 90mA of > current isn't that to much for the basicx processor (I need more then one > relay, one on each available output pin)? > > Thanks, > Tom > )))-----Original Message----- > )))From: Harry J. White [mailto:] > )))Sent: dinsdag 11 juni 2002 13:38 > )))To: ' > )))Subject: RE: [BasicX] steering pneumatic valves? > ))) > ))) > )))Solid state relay is probably your best bet. You can get one from Radio > )))Shack and the control signal can be driven directly from one of > )))the pins of > )))the basicX chip. > ))) > )))-----Original Message----- > )))From: Tom De Weyer [mailto:] > )))Sent: Tuesday, June 11, 2002 6:12 AM > )))To: Basicx@Yahoogroups. Com > )))Subject: [BasicX] steering pneumatic valves? > ))) > ))) > )))Hey everyone, > ))) > )))Is there an easy way to activate and deactivate pneumatic valves with the > )))basicx chip? > ))) > )))The valves are steered with a relay of 24V and 0,1A. > )))what kind of circuit should I build? > ))) > ))) > )))Thanks in advance, > ))) Tom De Weyer > ))) > ))) > )))This is probably a stupid question, but I'm not that experienced in > )))electronics. > ))) > ))) > )))> Service. > ))) > ))) > ))) > ))) > )))[Non-text portions of this message have been removed] > ))) > ))) > ))) > ))) > ))) > ))) |
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Re: steering pneumatic valves? - Stephane Richard - Jun 12 7:55:00 2002
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Oups... The DS2003 is 7 channels drivers... SORRY ! Stephane ----- Original Message ----- From: "Tom De Weyer" <> To: <> Sent: Wednesday, June 12, 2002 8:25 AM Subject: RE: [BasicX] steering pneumatic valves? > Thanks for the quick reply. > I found a relay like U mentioned it has a 5v input but it draws 90mA of > current isn't that to much for the basicx processor (I need more then one > relay, one on each available output pin)? > > Thanks, > Tom > )))-----Original Message----- > )))From: Harry J. White [mailto:] > )))Sent: dinsdag 11 juni 2002 13:38 > )))To: ' > )))Subject: RE: [BasicX] steering pneumatic valves? > ))) > ))) > )))Solid state relay is probably your best bet. You can get one from Radio > )))Shack and the control signal can be driven directly from one of > )))the pins of > )))the basicX chip. > ))) > )))-----Original Message----- > )))From: Tom De Weyer [mailto:] > )))Sent: Tuesday, June 11, 2002 6:12 AM > )))To: Basicx@Yahoogroups. Com > )))Subject: [BasicX] steering pneumatic valves? > ))) > ))) > )))Hey everyone, > ))) > )))Is there an easy way to activate and deactivate pneumatic valves with the > )))basicx chip? > ))) > )))The valves are steered with a relay of 24V and 0,1A. > )))what kind of circuit should I build? > ))) > ))) > )))Thanks in advance, > ))) Tom De Weyer > ))) > ))) > )))This is probably a stupid question, but I'm not that experienced in > )))electronics. > ))) > ))) > )))> Service. > ))) > ))) > ))) > ))) > )))[Non-text portions of this message have been removed] > ))) > ))) > ))) > ))) > ))) > ))) |
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Re: steering pneumatic valves? - andymich2 - Jun 12 13:11:00 2002
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Solid state relays may consume 90 mA of current, but do not require 90 mA of current as input. Like all electronic devices, solid state relays must be powered to work. The 90 mA sounds like the power supply needs for the relay. You will have to provide power to the relay separate from the bx-24. I recently consulted to a school which build robots with pneumatics as a class project. A BX-24 was used to control the solid state relays which operated the pneumatic valves. Worked great. You're almost there! :o) Andy M. --- In basicx@y..., "Tom De Weyer" <tom.deweyer@l...> wrote: > Thanks for the quick reply. > I found a relay like U mentioned it has a 5v input but it draws 90mA of > current isn't that to much for the basicx processor (I need more then one > relay, one on each available output pin)? > > Thanks, > Tom |
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RE: Re: steering pneumatic valves? - Harry J. White - Jun 12 13:43:00 2002
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Most of the Solid State relays I have used use only about 3ma. -----Original Message----- From: andymich2 [mailto:] Sent: Wednesday, June 12, 2002 2:11 PM To: Subject: [BasicX] Re: steering pneumatic valves? Solid state relays may consume 90 mA of current, but do not require 90 mA of current as input. Like all electronic devices, solid state relays must be powered to work. The 90 mA sounds like the power supply needs for the relay. You will have to provide power to the relay separate from the bx-24. I recently consulted to a school which build robots with pneumatics as a class project. A BX-24 was used to control the solid state relays which operated the pneumatic valves. Worked great. You're almost there! :o) Andy M. --- In basicx@y..., "Tom De Weyer" <tom.deweyer@l...> wrote: > Thanks for the quick reply. > I found a relay like U mentioned it has a 5v input but it draws 90mA of > current isn't that to much for the basicx processor (I need more then one > relay, one on each available output pin)? > > Thanks, > Tom > . [Non-text portions of this message have been removed] |
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RE: steering pneumatic valves? - Harry J. White - Jun 12 15:56:00 2002
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The solid state relay I used just minutes ago is a Sharp s101s05v. I put a 500 ohm resistor in series with the control pins and applied 5V. I was able to turn on and off the desk lamp I connected to the output pins. If you apply ohm's law I was only feeding 1ma into the control side of the SSR. The BasicX can source 20ma and sink 25ma. Theoretically you could power up to 25 SSR's with one pin. The relay was purchased from a local Radio Shack. It works. Try it. Good luck. -----Original Message----- From: Tom De Weyer [mailto:] Sent: Wednesday, June 12, 2002 8:25 AM To: Subject: RE: [BasicX] steering pneumatic valves? Thanks for the quick reply. I found a relay like U mentioned it has a 5v input but it draws 90mA of current isn't that to much for the basicx processor (I need more then one relay, one on each available output pin)? Thanks, Tom )))-----Original Message----- )))From: Harry J. White [mailto:] )))Sent: dinsdag 11 juni 2002 13:38 )))To: ' )))Subject: RE: [BasicX] steering pneumatic valves? ))) ))) )))Solid state relay is probably your best bet. You can get one from Radio )))Shack and the control signal can be driven directly from one of )))the pins of )))the basicX chip. ))) )))-----Original Message----- )))From: Tom De Weyer [mailto:] )))Sent: Tuesday, June 11, 2002 6:12 AM )))To: Basicx@Yahoogroups. Com )))Subject: [BasicX] steering pneumatic valves? ))) ))) )))Hey everyone, ))) )))Is there an easy way to activate and deactivate pneumatic valves with the )))basicx chip? ))) )))The valves are steered with a relay of 24V and 0,1A. )))what kind of circuit should I build? ))) ))) )))Thanks in advance, ))) Tom De Weyer ))) ))) )))This is probably a stupid question, but I'm not that experienced in )))electronics. ))) ))) )))> Service. ))) ))) ))) ))) )))[Non-text portions of this message have been removed] ))) ))) ))) ))) ))) ))) [Non-text portions of this message have been removed] |
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RE: steering pneumatic valves? - John Tarvin - Jun 12 16:23:00 2002
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Harry....could you please share the Radio Shack P/N for that relay??
-----Original Message----- From: Harry J. White [mailto:] Sent: Wednesday, June 12, 2002 1:57 PM To: ' Subject: RE: [BasicX] steering pneumatic valves? The solid state relay I used just minutes ago is a Sharp s101s05v. I put a 500 ohm resistor in series with the control pins and applied 5V. I was able to turn on and off the desk lamp I connected to the output pins. If you apply ohm's law I was only feeding 1ma into the control side of the SSR. The BasicX can source 20ma and sink 25ma. Theoretically you could power up to 25 SSR's with one pin. The relay was purchased from a local Radio Shack. It works. Try it. Good luck. -----Original Message----- From: Tom De Weyer [mailto:] Sent: Wednesday, June 12, 2002 8:25 AM To: Subject: RE: [BasicX] steering pneumatic valves? Thanks for the quick reply. I found a relay like U mentioned it has a 5v input but it draws 90mA of current isn't that to much for the basicx processor (I need more then one relay, one on each available output pin)? Thanks, Tom )))-----Original Message----- )))From: Harry J. White [mailto:] )))Sent: dinsdag 11 juni 2002 13:38 )))To: ' )))Subject: RE: [BasicX] steering pneumatic valves? ))) ))) )))Solid state relay is probably your best bet. You can get one from Radio )))Shack and the control signal can be driven directly from one of )))the pins of )))the basicX chip. ))) )))-----Original Message----- )))From: Tom De Weyer [mailto:] )))Sent: Tuesday, June 11, 2002 6:12 AM )))To: Basicx@Yahoogroups. Com )))Subject: [BasicX] steering pneumatic valves? ))) ))) )))Hey everyone, ))) )))Is there an easy way to activate and deactivate pneumatic valves with the )))basicx chip? ))) )))The valves are steered with a relay of 24V and 0,1A. )))what kind of circuit should I build? ))) ))) )))Thanks in advance, ))) Tom De Weyer ))) ))) )))This is probably a stupid question, but I'm not that experienced in )))electronics. ))) ))) )))> Service. ))) ))) ))) ))) )))[Non-text portions of this message have been removed] ))) ))) ))) ))) ))) ))) [Non-text portions of this message have been removed] |
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RE: steering pneumatic valves? - Tom Becker - Jun 12 20:18:00 2002
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> ... some SSRs are not opto-isolated from the mains... I can't recall ever encountering an SSR that did not contain internal optocoupling. Without the optocoupler, the device is just a heatsunk triac which wouldn't be called a Solid State Relay. Tom Becker --... ...-- GTBecker@RighTime_com www.RighTime.com The RighTime Clock Company, Inc., Cape Coral, Florida USA |
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RE: steering pneumatic valves? - Harry J. White - Jun 13 8:04:00 2002
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It doesn't surprise me but I just went on the Radio Shack web site and could not find the relay I told you about. (You got questions, We got confusion.) Try www.digi-key.com <http://www.digi-key.com> . They have a good selection of relays. Part # Z912-ND looks pretty good for general purpose use. -----Original Message----- From: John Tarvin [mailto:] Sent: Wednesday, June 12, 2002 5:24 PM To: Subject: RE: [BasicX] steering pneumatic valves? Harry....could you please share the Radio Shack P/N for that relay?? -----Original Message----- From: Harry J. White [mailto:] Sent: Wednesday, June 12, 2002 1:57 PM To: ' Subject: RE: [BasicX] steering pneumatic valves? The solid state relay I used just minutes ago is a Sharp s101s05v. I put a 500 ohm resistor in series with the control pins and applied 5V. I was able to turn on and off the desk lamp I connected to the output pins. If you apply ohm's law I was only feeding 1ma into the control side of the SSR. The BasicX can source 20ma and sink 25ma. Theoretically you could power up to 25 SSR's with one pin. The relay was purchased from a local Radio Shack. It works. Try it. Good luck. -----Original Message----- From: Tom De Weyer [mailto:] Sent: Wednesday, June 12, 2002 8:25 AM To: Subject: RE: [BasicX] steering pneumatic valves? Thanks for the quick reply. I found a relay like U mentioned it has a 5v input but it draws 90mA of current isn't that to much for the basicx processor (I need more then one relay, one on each available output pin)? Thanks, Tom )))-----Original Message----- )))From: Harry J. White [mailto:] )))Sent: dinsdag 11 juni 2002 13:38 )))To: ' )))Subject: RE: [BasicX] steering pneumatic valves? ))) ))) )))Solid state relay is probably your best bet. You can get one from Radio )))Shack and the control signal can be driven directly from one of )))the pins of )))the basicX chip. ))) )))-----Original Message----- )))From: Tom De Weyer [mailto:] )))Sent: Tuesday, June 11, 2002 6:12 AM )))To: Basicx@Yahoogroups. Com )))Subject: [BasicX] steering pneumatic valves? ))) ))) )))Hey everyone, ))) )))Is there an easy way to activate and deactivate pneumatic valves with the )))basicx chip? ))) )))The valves are steered with a relay of 24V and 0,1A. )))what kind of circuit should I build? ))) ))) )))Thanks in advance, ))) Tom De Weyer ))) ))) )))This is probably a stupid question, but I'm not that experienced in )))electronics. ))) ))) ))) <http://docs.yahoo.com/info/terms/> > Service. ))) ))) ))) ))) )))[Non-text portions of this message have been removed] ))) ))) ))) ))) ))) ))) <http://docs.yahoo.com/info/terms/ <http://docs.yahoo.com/info/terms/ [Non-text portions of this message have been removed] <http://docs.yahoo.com/info/terms/ > . [Non-text portions of this message have been removed] |
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RE: steering pneumatic valves? - Harry J. White - Jun 13 10:31:00 2002
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Bee careful. If you use a transistor and your operating a device with a coil you must use a surge suppression or flyback diode to protect the circuit from spikes created when the field of the coil collapses. Reference-Radio Shack (Engineer Mini-Notebook) Catalog Number 276-5010 page 9. Its the one on the 555 timer IC. -----Original Message----- From: Tom De Weyer [mailto:] Sent: Thursday, June 13, 2002 11:05 AM To: Subject: RE: [BasicX] steering pneumatic valves? This sounds interesting, can U tell me which transistors U would use, and if I should add extra components to let it work? Thanks in advance, Tom Also many thanks to all the responses, I have learned a lot from them. )))-----Original Message----- )))From: Tom Becker [mailto:] )))Sent: donderdag 13 juni 2002 16:55 )))To: )))Subject: RE: [BasicX] steering pneumatic valves? ))) ))) )))> )))The valves are steered with a relay of 24V and 0,1A. )))> )))what kind of circuit should I build? ))) )))This thread has lost the initial requirements, 24V (assumed DC), 0.1A. )))Given the external 24V source, that is easily controlled by a BX-24 pin )))through a single transistor. No SSRs or relays are necessary. ))) ))) )))Tom Becker )))--... ...-- )))GTBecker@RighTime_com www.RighTime.com )))The RighTime Clock Company, Inc., Cape Coral, Florida USA ))) ))) ))) ))) ))) ))) [Non-text portions of this message have been removed] |
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Re: steering pneumatic valves? - Neil Jepsen - Jun 13 15:45:00 2002
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Or better still, a logic FET Tom De Weyer wrote: > This sounds interesting, can U tell me which transistors U would use, and if > I should add extra components to let it work? > > Thanks in advance, > > Tom > > Also many thanks to all the responses, I have learned a lot from them. > > )))-----Original Message----- > )))From: Tom Becker [mailto:] > )))Sent: donderdag 13 juni 2002 16:55 > )))To: > )))Subject: RE: [BasicX] steering pneumatic valves? > ))) > ))) > )))> )))The valves are steered with a relay of 24V and 0,1A. > )))> )))what kind of circuit should I build? > ))) > )))This thread has lost the initial requirements, 24V (assumed DC), 0.1A. > )))Given the external 24V source, that is easily controlled by a BX-24 pin > )))through a single transistor. No SSRs or relays are necessary. > ))) > ))) > )))Tom Becker > )))--... ...-- > )))GTBecker@RighTime_com www.RighTime.com > )))The RighTime Clock Company, Inc., Cape Coral, Florida USA > ))) > ))) > ))) > ))) > ))) > ))) |
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