Re: [Emc-users] Meanwell SE600-48 Power Supply
Well after playing with it for a couple of hours on the bench, the fan would start reliably on power on. I let it sit for a couple of hours and it still started on power on. So, I bolted it back in to the cabinet. When I powered it on silence except for that click now and then. Lightbulb on. Maybe tightening it into the cabinet is doing something. So, I loosened up the bolts holding it in place and voila it would spin up on power on. Making a long story even longer, it seems the bolts near the fan are just a hair too long and block the fan from turning. So, I need to find a couple shorter 3mm cap screws. Thanks for everybody trying to help me solve the problem. > From: Alan Condit > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > Date: July 19, 2021 at 8:47:00 AM CDT > To: "Emc-users@lists.sourceforge.net" > > > Gene, Chris, Milosz and everybody who has tried to help, > > I am reposting this because I screwed up earlier and failed to change the > Subject line. > > I took the power supply out of the controller cabinet and set it up on the > bench. I used a small screw driver to turn the fan a few times, then I turned > it on and the fan ran. Like Milosz said it was loud. I turned it off and > turned it back on again and the fan ran, Great problem fixed (yeah, right). I > put it back in the cabinet and turned it on (silence). So I will take it back > out of the cabinet and see if I can get it to run and start reliably after a > period of rest. Otherwise it looks like replacing the fan is the answer. > > Thanks all, > Alan ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
Is it a 3-wire fan? The yellow wire on those fans is a reverse-acting PWM control line (0 = full on, 90% = 10% on, etc.). It’s possible that the controller turns off the fan when it doesn’t need cooling. > On Jul 19, 2021, at 8:50 AM, Alan Condit wrote: > > Gene, Chris, Milosz and everybody who has tried to help, > > I am reposting this because I screwed up earlier and failed to change the > Subject line. > > I took the power supply out of the controller cabinet and set it up on the > bench. I used a small screw driver to turn the fan a few times, then I turned > it on and the fan ran. Like Milosz said it was loud. I turned it off and > turned it back on again and the fan ran, Great problem fixed (yeah, right). I > put it back in the cabinet and turned it on (silence). So I will take it back > out of the cabinet and see if I can get it to run and start reliably after a > period of rest. Otherwise it looks like replacing the fan is the answer. > > Thanks all, > Alan > >> >> From: Dave Cole >> Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply >> Date: July 15, 2021 at 6:33:23 PM CDT >> To: emc-users@lists.sourceforge.net >> >> >> You may have a bad power supply. Do you have any output voltage? >> I'd attach a load and see if it holds voltage. I cant think of anything >> that should be clicking in there. Arcing can sound like clicking. >> >> The spec sheet says nothing about fan control and I would expect they would >> flaunt that feature if they had it. >> https://www.meanwell.com/productPdf.aspx?i=469#1 >> >>> On 7/15/2021 12:16 PM, Alan Condit wrote: >>> I am building a new controller cabinet. I installed a Meanwell SE600-48 >>> power supply. When I turn on the power supply the fan doesn’t turn on. If I >>> leave the power supply on for a little while I hear an intermittent >>> clicking (like a relay) but no fan. Does it have some kind of temperature >>> control on the fan? Is it not turning on because I currently have virtually >>> no load on the power supply? >>> >>> Thanks, >>> Alan >>> >>> ___________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> >> >> >> >> From: Nicklas SB Karlsson >> Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply >> Date: July 16, 2021 at 5:37:56 AM CDT >> To: "Enhanced Machine Controller \(EMC\)" >> >> >>> I am building a new controller cabinet. I installed a Meanwell SE600-48 >>> power supply. When I turn on the power supply the fan doesn’t turn on. If I >>> leave the power supply on for a little while I hear an intermittent >>> clicking (like a relay) but no fan. Does it have some kind of temperature >>> control on the fan? Is it not turning on because I currently have virtually >>> no load on the power supply? >> >> Short circuit? Or overloaded? >> >> Some power supplys enter som kind of "power down" mode if overloaded. >> >> >> Nicklas Karlsson > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
Gene, Chris, Milosz and everybody who has tried to help, I am reposting this because I screwed up earlier and failed to change the Subject line. I took the power supply out of the controller cabinet and set it up on the bench. I used a small screw driver to turn the fan a few times, then I turned it on and the fan ran. Like Milosz said it was loud. I turned it off and turned it back on again and the fan ran, Great problem fixed (yeah, right). I put it back in the cabinet and turned it on (silence). So I will take it back out of the cabinet and see if I can get it to run and start reliably after a period of rest. Otherwise it looks like replacing the fan is the answer. Thanks all, Alan > > From: Dave Cole > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > Date: July 15, 2021 at 6:33:23 PM CDT > To: emc-users@lists.sourceforge.net > > > You may have a bad power supply. Do you have any output voltage? > I'd attach a load and see if it holds voltage. I cant think of anything > that should be clicking in there. Arcing can sound like clicking. > > The spec sheet says nothing about fan control and I would expect they would > flaunt that feature if they had it. > https://www.meanwell.com/productPdf.aspx?i=469#1 > > On 7/15/2021 12:16 PM, Alan Condit wrote: >> I am building a new controller cabinet. I installed a Meanwell SE600-48 >> power supply. When I turn on the power supply the fan doesn’t turn on. If I >> leave the power supply on for a little while I hear an intermittent clicking >> (like a relay) but no fan. Does it have some kind of temperature control on >> the fan? Is it not turning on because I currently have virtually no load on >> the power supply? >> >> Thanks, >> Alan >> >> ___ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > From: Nicklas SB Karlsson > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > Date: July 16, 2021 at 5:37:56 AM CDT > To: "Enhanced Machine Controller \(EMC\)" > > >> I am building a new controller cabinet. I installed a Meanwell SE600-48 >> power supply. When I turn on the power supply the fan doesn’t turn on. If I >> leave the power supply on for a little while I hear an intermittent clicking >> (like a relay) but no fan. Does it have some kind of temperature control on >> the fan? Is it not turning on because I currently have virtually no load on >> the power supply? > > Short circuit? Or overloaded? > > Some power supplys enter som kind of "power down" mode if overloaded. > > > Nicklas Karlsson ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
On Friday 16 July 2021 15:33:23 Alan Condit wrote: > Chris, > > The unit doesn’t seem to be warm. > I adjusted the voltage down to 42 volts, to provide some headroom. I > am using KL5056 stepper drivers and they say max 50 volts. There is > definitely power to the fan because if I try to turn it it snaps back > to the fixed position. The voltage is rock steady at 42 volts. > > I wonder if it is just the fan or fan controller that is bad. > > I bought the power supply a year or so ago but this is the first time > I have applied power to it. Maybe I will have to open it up and see if > I could replace the fan. > > Alan > That rather sounds like a good idea, Alan. From your description it sounds like the motors own hal effect commutation circuit has died. That is typically buried someplace in the motor, so if it has voltage, but is not running, and the motor itself may be hot, its probably time for a new fan. Call it infant mortality. > > From: Chris Albertson > > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > > Date: July 15, 2021 at 12:21:10 PM CDT > > To: "Enhanced Machine Controller (EMC)" > > > > > > > > If you place your hand on the power supply and feel no heat, then > > I'd expect the fan to be off. > > > > I some a good size power resistors mounted to a heat sink with a fan > > that I used for testing power supplies. Testing with no dummy load > > is not very meaningful. The load is set up so it can be quickly > > rewired with resistors in series or parallel in different ways using > > a terminal block. > > > > On Thu, Jul 15, 2021 at 9:19 AM Alan Condit wrote: > >> I am building a new controller cabinet. I installed a Meanwell > >> SE600-48 power supply. When I turn on the power supply the fan > >> doesn’t turn on. If I leave the power supply on for a little while > >> I hear an intermittent clicking (like a relay) but no fan. Does it > >> have some kind of temperature control on the fan? Is it not turning > >> on because I currently have virtually no load on the power supply? > >> > >> Thanks, > >> Alan > >> > >> ___ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > > -- > > > > Chris Albertson > > Redondo Beach, California > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
The SE600 does not have fan speed control, the fan is always on and quite loud. If it's not running you have something to troubleshoot. On Fri, Jul 16, 2021, 6:23 PM Chris Albertson wrote: > I think maybe the fan does not turn on until it needs to be on. There > could be a temperature sensor. If the unit is not warmth it > makes sense that the fan is off > > Is the fan 2, 3, or 4 wires? If 3 or 4 then this means one wire is a > tachometer used for speed feedback, and they would not have that if the fan > speed was not controlled > > Finally, check the voltage on thefan motor, If this is a 12 volt fan and > there is 12 volts and the fan is not moving then the fan is broken.But > if there is something like 3 volts then the fan controller has decided no > cooling is needed. > > On Fri, Jul 16, 2021 at 12:35 PM Alan Condit > wrote: > > > > > Chris, > > > > The unit doesn’t seem to be warm. > > I adjusted the voltage down to 42 volts, to provide some headroom. I am > > using KL5056 stepper drivers and they say max 50 volts. There is > definitely > > power to the fan because if I try to turn it it snaps back to the fixed > > position. The voltage is rock steady at 42 volts. > > > > I wonder if it is just the fan or fan controller that is bad. > > > > I bought the power supply a year or so ago but this is the first time I > > have applied power to it. Maybe I will have to open it up and see if I > > could replace the fan. > > > > Alan > > > > > > > From: Chris Albertson > > > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > > > Date: July 15, 2021 at 12:21:10 PM CDT > > > To: "Enhanced Machine Controller (EMC)" < > emc-users@lists.sourceforge.net > > > > > > > > > > > > If you place your hand on the power supply and feel no heat, then I'd > > > expect the fan to be off. > > > > > > I some a good size power resistors mounted to a heat sink with a fan > > that I > > > used for testing power supplies. Testing with no dummy load is not > very > > > meaningful. The load is set up so it can be quickly rewired with > > > resistors in series or parallel in different ways using a terminal > block. > > > > > > On Thu, Jul 15, 2021 at 9:19 AM Alan Condit > > wrote: > > > > > >> I am building a new controller cabinet. I installed a Meanwell > SE600-48 > > >> power supply. When I turn on the power supply the fan doesn’t turn on. > > If I > > >> leave the power supply on for a little while I hear an intermittent > > >> clicking (like a relay) but no fan. Does it have some kind of > > temperature > > >> control on the fan? Is it not turning on because I currently have > > virtually > > >> no load on the power supply? > > >> > > >> Thanks, > > >> Alan > > >> > > >> ___ > > >> Emc-users mailing list > > >> Emc-users@lists.sourceforge.net > > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > >> > > > > > > > > > -- > > > > > > Chris Albertson > > > Redondo Beach, California > > > > > > > > > ___ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > -- > > Chris Albertson > Redondo Beach, California > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
I think maybe the fan does not turn on until it needs to be on. There could be a temperature sensor. If the unit is not warmth it makes sense that the fan is off Is the fan 2, 3, or 4 wires? If 3 or 4 then this means one wire is a tachometer used for speed feedback, and they would not have that if the fan speed was not controlled Finally, check the voltage on thefan motor, If this is a 12 volt fan and there is 12 volts and the fan is not moving then the fan is broken.But if there is something like 3 volts then the fan controller has decided no cooling is needed. On Fri, Jul 16, 2021 at 12:35 PM Alan Condit wrote: > > Chris, > > The unit doesn’t seem to be warm. > I adjusted the voltage down to 42 volts, to provide some headroom. I am > using KL5056 stepper drivers and they say max 50 volts. There is definitely > power to the fan because if I try to turn it it snaps back to the fixed > position. The voltage is rock steady at 42 volts. > > I wonder if it is just the fan or fan controller that is bad. > > I bought the power supply a year or so ago but this is the first time I > have applied power to it. Maybe I will have to open it up and see if I > could replace the fan. > > Alan > > > > From: Chris Albertson > > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > > Date: July 15, 2021 at 12:21:10 PM CDT > > To: "Enhanced Machine Controller (EMC)" > > > > > > > If you place your hand on the power supply and feel no heat, then I'd > > expect the fan to be off. > > > > I some a good size power resistors mounted to a heat sink with a fan > that I > > used for testing power supplies. Testing with no dummy load is not very > > meaningful. The load is set up so it can be quickly rewired with > > resistors in series or parallel in different ways using a terminal block. > > > > On Thu, Jul 15, 2021 at 9:19 AM Alan Condit > wrote: > > > >> I am building a new controller cabinet. I installed a Meanwell SE600-48 > >> power supply. When I turn on the power supply the fan doesn’t turn on. > If I > >> leave the power supply on for a little while I hear an intermittent > >> clicking (like a relay) but no fan. Does it have some kind of > temperature > >> control on the fan? Is it not turning on because I currently have > virtually > >> no load on the power supply? > >> > >> Thanks, > >> Alan > >> > >> ___ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > >> > > > > > > -- > > > > Chris Albertson > > Redondo Beach, California > > > > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
Chris, The unit doesn’t seem to be warm. I adjusted the voltage down to 42 volts, to provide some headroom. I am using KL5056 stepper drivers and they say max 50 volts. There is definitely power to the fan because if I try to turn it it snaps back to the fixed position. The voltage is rock steady at 42 volts. I wonder if it is just the fan or fan controller that is bad. I bought the power supply a year or so ago but this is the first time I have applied power to it. Maybe I will have to open it up and see if I could replace the fan. Alan > From: Chris Albertson > Subject: Re: [Emc-users] Meanwell SE600-48 Power Supply > Date: July 15, 2021 at 12:21:10 PM CDT > To: "Enhanced Machine Controller (EMC)" > > > If you place your hand on the power supply and feel no heat, then I'd > expect the fan to be off. > > I some a good size power resistors mounted to a heat sink with a fan that I > used for testing power supplies. Testing with no dummy load is not very > meaningful. The load is set up so it can be quickly rewired with > resistors in series or parallel in different ways using a terminal block. > > On Thu, Jul 15, 2021 at 9:19 AM Alan Condit wrote: > >> I am building a new controller cabinet. I installed a Meanwell SE600-48 >> power supply. When I turn on the power supply the fan doesn’t turn on. If I >> leave the power supply on for a little while I hear an intermittent >> clicking (like a relay) but no fan. Does it have some kind of temperature >> control on the fan? Is it not turning on because I currently have virtually >> no load on the power supply? >> >> Thanks, >> Alan >> >> ___ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > > > -- > > Chris Albertson > Redondo Beach, California > ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
> I am building a new controller cabinet. I installed a Meanwell SE600-48 power > supply. When I turn on the power supply the fan doesn’t turn on. If I leave > the power supply on for a little while I hear an intermittent clicking (like > a relay) but no fan. Does it have some kind of temperature control on the > fan? Is it not turning on because I currently have virtually no load on the > power supply? Short circuit? Or overloaded? Some power supplys enter som kind of "power down" mode if overloaded. Nicklas Karlsson ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
You may have a bad power supply. Do you have any output voltage? I'd attach a load and see if it holds voltage. I cant think of anything that should be clicking in there. Arcing can sound like clicking. The spec sheet says nothing about fan control and I would expect they would flaunt that feature if they had it. https://www.meanwell.com/productPdf.aspx?i=469#1 On 7/15/2021 12:16 PM, Alan Condit wrote: I am building a new controller cabinet. I installed a Meanwell SE600-48 power supply. When I turn on the power supply the fan doesn’t turn on. If I leave the power supply on for a little while I hear an intermittent clicking (like a relay) but no fan. Does it have some kind of temperature control on the fan? Is it not turning on because I currently have virtually no load on the power supply? Thanks, Alan ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
I have some older meanwell supplies which are actively cooled. In those units, the fans run all the time. But I’d imagine that their newer models would implement fan control to save a bit of power and reduce noise. > On Jul 15, 2021, at 1:21 PM, Chris Albertson > wrote: > > If you place your hand on the power supply and feel no heat, then I'd > expect the fan to be off. > > I some a good size power resistors mounted to a heat sink with a fan that I > used for testing power supplies. Testing with no dummy load is not very > meaningful. The load is set up so it can be quickly rewired with > resistors in series or parallel in different ways using a terminal block. > > On Thu, Jul 15, 2021 at 9:19 AM Alan Condit wrote: > >> I am building a new controller cabinet. I installed a Meanwell SE600-48 >> power supply. When I turn on the power supply the fan doesn’t turn on. If I >> leave the power supply on for a little while I hear an intermittent >> clicking (like a relay) but no fan. Does it have some kind of temperature >> control on the fan? Is it not turning on because I currently have virtually >> no load on the power supply? >> >> Thanks, >> Alan >> >> ___ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > > > -- > > Chris Albertson > Redondo Beach, California > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Meanwell SE600-48 Power Supply
If you place your hand on the power supply and feel no heat, then I'd expect the fan to be off. I some a good size power resistors mounted to a heat sink with a fan that I used for testing power supplies. Testing with no dummy load is not very meaningful. The load is set up so it can be quickly rewired with resistors in series or parallel in different ways using a terminal block. On Thu, Jul 15, 2021 at 9:19 AM Alan Condit wrote: > I am building a new controller cabinet. I installed a Meanwell SE600-48 > power supply. When I turn on the power supply the fan doesn’t turn on. If I > leave the power supply on for a little while I hear an intermittent > clicking (like a relay) but no fan. Does it have some kind of temperature > control on the fan? Is it not turning on because I currently have virtually > no load on the power supply? > > Thanks, > Alan > > ___ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Chris Albertson Redondo Beach, California ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Meanwell SE600-48 Power Supply
I am building a new controller cabinet. I installed a Meanwell SE600-48 power supply. When I turn on the power supply the fan doesn’t turn on. If I leave the power supply on for a little while I hear an intermittent clicking (like a relay) but no fan. Does it have some kind of temperature control on the fan? Is it not turning on because I currently have virtually no load on the power supply? Thanks, Alan ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
