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Messages 14797 - 14826 of 19813   Oldest  |  < Older  |  Newer >  |  Newest
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14797
... The second half of my question (which you didn't quote) I explained my reasoning for trying to get the information early. I'm not pressuring anyone here,...
Michael Gamber
mrgamber
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Mar 1, 2008
5:07 pm
14798
... Just use connectors with removable pins, so no matter what the pinout turns out to be you can fix it. :-) -- Member of the toughest, meanest, deadliest,...
Roy J. Tellason
rtellason
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Mar 1, 2008
10:04 pm
14799
... A bit difficult with PCB connectors. :-) -- ... Web: www.homanndesigns.com email: homann@... Phone: +61 421 601 665 ...
Peter Homann
homannp
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Mar 1, 2008
10:39 pm
14800
... Did I miss something here that had both ends being of that type? -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of...
Roy J. Tellason
rtellason
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Mar 1, 2008
11:28 pm
14801
Here's the pin-out for the motor cable male DB9 connector: 1) GROUND 2) GROUND 3) GROUND 4) GROUND 5) CURRENT SET RESISTOR 6) PHASE /B_OUT 7) PHASE B_OUT 8)...
Mariss Freimanis
mariss92705
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Mar 2, 2008
4:37 am
14802
How about providing limit switch inputs on some of the ground pins that are now just ground? Then the G540 could be a full break out board. Pete. ... From:...
Peter Reilley
cnc_joker
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Mar 2, 2008
4:43 am
14803
Those are already available on the main connector. It has 4 general purpose optoisolated inputs and 4 general purpose optoisolated outputs. Mariss...
Mariss Freimanis
mariss92705
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Mar 2, 2008
5:11 am
14804
You'll find it spelled loads of ways around the world, when referring to common rail terminal bars. Bus, Buss, Buz, Buzz and Brackets. I was taught BUS is...
Mark Vaughan
dr_mark_vaughan
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Mar 2, 2008
11:27 am
14805
I use "bus". A "buss" is a quick kiss.:-) Mariss ... and BUZ ... BBuzz ... versions ... trade names ... strip...
Mariss Freimanis
mariss92705
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Mar 2, 2008
3:05 pm
14806
thanks all, i thought you meant "bus" for power bus,and "buss" as in "bus-signal" for step dir cables ,optoisolated from the rest. thanks thanks......
jeetendra_g10
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Mar 2, 2008
4:46 pm
14807
Sweet! Thanks Mariss. You are a scholar and a gentleman. ... If a...
Michael Gamber
mrgamber
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Mar 2, 2008
7:09 pm
14808
I'll be posting the entire G540 schematic this afternoon. Since this is pinned-out for Mach3, it would help me to know which port pin is assigned to the charge...
Mariss Freimanis
mariss92705
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Mar 2, 2008
8:15 pm
14809
The reasons for providing the limit switch signals on the DB9 are the same as providing the current setting resistor on the connector. It allows the easy...
Peter Reilley
cnc_joker
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Mar 2, 2008
8:23 pm
14810
Pin 17 ... pin....
Michael Gamber
mrgamber
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Mar 2, 2008
8:37 pm
14811
Hi Pete, I could imagine that running the limit switch wires in the same cable as the motor drive may cause false triggering. Cheers, Peter. ... -- ... Web:...
Peter Homann
homannp
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Mar 2, 2008
8:38 pm
14812
Actually, there is a legitimate reason not to put them in both places. Limit switches must be wired with normally closed switches so that they are more fault...
Michael Gamber
mrgamber
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Mar 2, 2008
9:12 pm
14813
Mariss, In Mach3 the chargepump can be assigned to any one of the output pins. /Henrik. ... I'll be posting the entire G540 schematic this afternoon. Since...
Henrik Olsson
henrikolsson...
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Mar 2, 2008
9:34 pm
14814
You don't have to use the same cable even if you use the same connector. You could choose to not use the pins in the DB9 and use the other connection...
Peter Reilley
cnc_joker
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Mar 2, 2008
9:57 pm
14815
OK, I uploaded the G540 SCHEMATIC.pdf to the files section. Maybe someone can look it over for dumb mistakes and whatnot. Otherwise I change the pcb layout to...
Mariss Freimanis
mariss92705
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Mar 2, 2008
11:46 pm
14816
... cable as the ... my machine has a fixed screw and rotating nut. so the motor is on the carriage. that means my X axis motor could not have the end...
Dave Mucha
dave_mucha
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Mar 3, 2008
12:48 am
14817
Hi Mariss, 1st comment. What about removing the 3 pin jumper for the charge pump so that it always connected to output P17. That way it can also be fed to an...
Peter Homann
homannp
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Mar 3, 2008
1:34 am
14818
1) Limit switches are rarely located where the motors are. 2) Due to the paucity of inputs, limit switches are often wired in series. Because of this, there is...
Mariss Freimanis
mariss92705
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Mar 3, 2008
1:37 am
14819
Pins 1, 2, 3 and 4, 5 gives you the option of using or not using the charge pump. It seems with Mach3 I/O is at a premium and one very nice output is tied-up...
Mariss Freimanis
mariss92705
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Mar 3, 2008
2:09 am
14820
Hi Mariss, I think you misunderstood what I was saying. Yes, leave pins 4 and 5 there as this selects the charge pump option driving the ESTOP. If you want to...
Peter Homann
homannp
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Mar 3, 2008
3:39 am
14821
Hi Mariss, I think you misunderstood what I was saying. Yes, leave pins 4 and 5 there as this selects the charge pump option driving the ESTOP. If you want to...
Peter Homann
homannp
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Mar 3, 2008
3:39 am
14822
... Most people I believe (I do) use the chargepump output to turn on and off the DC Motor Power Supply Relay. I believe it is a good idea to let this be your...
Michael Gamber
mrgamber
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Mar 3, 2008
4:30 am
14823
Will the G540 have a connector, internal to the cabinet, to connect a parallel ribbon cable? The reason I ask is because the SmoothStepper is about to hit the...
gerald_dorrington
gerald_dorri...
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Mar 3, 2008
5:04 am
14824
The reason is that optoisolator is treated differently. Note the NPN base connecting to the opto collector. It limits the opto collector to a 0.6V excursion....
Mariss Freimanis
mariss92705
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Mar 3, 2008
5:15 am
14825
Note the charge pump switches off the MOSFET gate supply when it is inactive preventing the 3 general purpose outputs from turning on. The charge pump must be...
Mariss Freimanis
mariss92705
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Mar 3, 2008
5:19 am
14826
There are a million different controllers with a million different interfaces. There is only one G540. I have picked the most ubiquitous interface I could...
Mariss Freimanis
mariss92705
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Mar 3, 2008
5:25 am
Messages 14797 - 14826 of 19813   Oldest  |  < Older  |  Newer >  |  Newest
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