Forum: 70. Control Systems
Sun 04 July 2010, 23:20
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Fri 28 May 2010, 04:53
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Replies: 333
Views: 343,819
Proxy sensors do sense aluminium, albeit at a...
Proxy sensors do sense aluminium, albeit at a reduced distance (the gap between proxy and alu rail can be set to less than 1mm). The NO (normally open) type should be used. "Normal" means in free...
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Forum: 70. Control Systems
Thu 27 May 2010, 23:22
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Replies: 333
Views: 343,819
We have seldom lifted the big gantry off the...
We have seldom lifted the big gantry off the rails, but in the early days the y-car was lifted about once a week.
- forget to switch router on
- electrical interference made router go too deep
-...
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Forum: 70. Control Systems
Mon 29 March 2010, 07:47
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Sat 27 March 2010, 02:11
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Wed 20 January 2010, 05:16
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Mon 14 December 2009, 10:37
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Mon 14 December 2009, 06:52
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Replies: 333
Views: 343,819
I think we are getting confused with word...
I think we are getting confused with word choices:
A "contactor" is similar to a relay. It contains pairs of "contacts" for opening and closing circuits.
The E-stop pushbutton switch also has...
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Forum: 70. Control Systems
Thu 06 August 2009, 09:39
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Wed 29 July 2009, 04:10
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Tue 05 May 2009, 09:59
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Replies: 333
Views: 343,819
Keith, a couple of guys here use proximity...
Keith, a couple of guys here use proximity switches driving quality relays to limit and home their machines with trouble-free success.........what value are you trying to add to that?
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Forum: 70. Control Systems
Mon 04 May 2009, 12:09
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Mon 04 May 2009, 09:32
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Replies: 333
Views: 343,819
Keith, your second para: . . . .
One main...
Keith, your second para: . . . .
One main point that deserves a separate line of it's own, again:
Prox sensors aren't replacements for mechanical switches!!
They're completely different and...
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Forum: 70. Control Systems
Wed 25 February 2009, 04:34
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Thu 01 January 2009, 03:26
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Replies: 333
Views: 343,819
How close did you try and mount the 4mm sensors...
How close did you try and mount the 4mm sensors to the alu? Theoretically you should have been able to mount at less than 1mm without the sensor actually touching the rail anywhere along its length...
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Forum: 70. Control Systems
Wed 31 December 2008, 20:55
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Replies: 333
Views: 343,819
Shielded vs Un-shielded proxmity switches
Here is an un-shielded proximity sensor on the left and a shielded sensor on the right:
3165
The "shielding" in this case refers to whether the sensing tip is surrounded by a metal shield or...
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Forum: 70. Control Systems
Fri 07 November 2008, 20:43
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Mon 01 September 2008, 09:10
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Sat 07 June 2008, 22:54
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Replies: 333
Views: 343,819
PNP...
PNP (http://www.sesensors.com/content/EN/support-service/term-definition.asp?word=120)
NPN (http://www.sesensors.com/content/EN/support-service/term-definition.asp?word=106)
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Forum: 70. Control Systems
Sun 01 June 2008, 05:06
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Wed 02 April 2008, 11:36
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Sat 15 March 2008, 12:15
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Sat 15 March 2008, 11:44
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Replies: 333
Views: 343,819
ED, check that Mouser spec again - it is 140...
ED, check that Mouser spec again - it is 140 milliWatt.
Of course your point is valid - the power supply must be sized to feed all the consumers.
A 300VA supply can feed about 2000 of those...
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Forum: 70. Control Systems
Sat 15 March 2008, 11:41
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Replies: 333
Views: 343,819
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Forum: 70. Control Systems
Sat 15 March 2008, 10:27
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Replies: 333
Views: 343,819
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