RE: [CAD_CAM_EDM_DRO] Re: Prox switches

Pin 1 is the supply and is the brown wire
Pin 4 is the collector and is the brown wire.
Pin 3 goes to ground and is the blue wire

I doubt pin 2 is connected.

L is the load.

So you would normally connect the blue wire to gnd, the brown wire to
12-24VDC, the brown wire to your input and a resistor between your input and
whatever it's supply voltage (5V?) is.

PK


_____

From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Jarrett & Heidi
Johnson
Sent: Wednesday, 5 July 2006 1:53 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] Re: Prox switches



Replying to a old message. Things are progressing,
I've got some AM1-AN-2Hprox sensor's [their NPN].
I'm working through the connection of them and
noticed on the wire diagram here
http://web6. <http://web6.automationdirect.com/static/specs/prox12mmam.pdf>
automationdirect.com/static/specs/prox12mmam.pdf
pg2 diagram 1.

I don't quite follow what BN/1, BK/4=NO, BK/2 &
BU/3 are.. if I look over to the right side, there
is a connector showing numbered pin's 1 thru 4 [ I
assume the / # on the diagram links to these pin
#'s] I also notice on this little connector pic
that pin #1 is supply (+) so I can put my 12V in
here, then I take pin 3 back to Ground [common at
the enclosure?] I also notice that Pin 4 has [OUT
NO] beside it, while pin 2 has [OUT NC] beside it,
does this mean that if I run my wire from pin 2
back to my input terminal on the B/O or G100 [
future] this will be my normally closed input [
always has power coming through it until the
sensor is tripped].

Back to Diagram 1, [ left side of the page] what
is the little "L" mean between BN/1 & BK/4 ? I
recognise the LED's and Diode's on the diagram..
I'm just not sure what the 'L' means..

Sorry for bringing this up again.. and for the
amateur questions.. this stuff is fairly Greek to
me.. :-/

Jarrett Johnson

----- Original Message -----
From: "Paul Kelly" <tech@... <mailto:tech%40caswa.com> >
To: <CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com>
Sent: Friday, March 03, 2006 7:46 PM
Subject: RE: [CAD_CAM_EDM_DRO] Re: Prox switches

> Prox switches come in three flavours (with
> respect to their outputs)
>
> 3 wire NPN
> 3 wire PNP
> 2 wire
>
> Two wire sensors are meant to be wired between
> 18-24V and the +ve end of an
> optocoupler LED.
> They typically pass <1mA when not triggered and
> >7mA when they are. Whilst
> simple to wire,
> They can be tricky to parallel
>
> 3 wire PNP types have one wire to ground, one
> wire to 18-24V (I run min on
> 12V and they seem fine)
> And the third gets pulled high when the prox
> triggers. To wire these to a
> parallel port you need
> a 5.1V zenner between the pin and GND and a
> resistor (a few K) between the
> pin and the output of the
> Prox. You only need one of these circuits for
> each input pin, you then wire
> all the proxes in parallel
>
> 3 wire NPN are the most useful for hobby
> applications, 1 wire to 18-24, one
> to GND, and the other to
> The input pin with a pull up resistor. You can
> wire multiple NPN 3wire
> proxes in parallel.
>
>
> PK
>
>> -----Original Message-----
>> From: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com
>> [mailto:CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com] On
>> Behalf Of Jarrett
>> & Heidi Johnson
>> Sent: Saturday, 4 March 2006 9:20 AM
>> To: CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com
>> Subject: Re: [CAD_CAM_EDM_DRO] Re: Prox
>> switches
>>
>> I'll most likely end up getting these, I
>> noticed however that
>> they are all NO, is there any out there that
>> are NC?? I was
>> always under the impression that NC was the
>> switch of choice
>> for limit switch's?
>>
>> Jarrett
>>
>>
>> ----- Original Message -----
>> From: "Robert Campbell"
>> <bob@campbelldesigns <mailto:bob%40campbelldesigns.com> .com>
>> To: <CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com>
>> Sent: Friday, March 03, 2006 11:28 AM
>> Subject: Re: [CAD_CAM_EDM_DRO] Re: Prox
>> switches
>>
>>
>> > Jarrett,
>> >
>> > The sensing distance is from the face to the
>> > object being sensed.
>> >
>> > I did some work with Multicam and talked with
>> > their engineers about
>> > proximity sensors. 2 mm is the best as it is
>> > not
>> > as likely to sense chips or
>> > other foreign objects. I use 12 mm barrel
>> > type
>> > with a quick disconnect
>> > cable. You do want a quick disconnect as it
>> > makes is it easy to screw in the
>> > sensor.
>> >
>> >
>> > Bob Campbell
>> > Bob Campbell Designs
>> > www.Campbelldesigns.com
>> > Mach 2/3 breakout boards
>> > Relay boards
>> > Spindle Speed boards
>> > Stepper motors
>> > Plasma Torch Height control
>> >
>> > ----- Original Message -----
>> > From: "jerryflyguy" <hjjohnson@sasktel.
<mailto:hjjohnson%40sasktel.net> net>
>> > To: <CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com>
>> > Sent: Friday, March 03, 2006 11:17 AM
>> > Subject: [CAD_CAM_EDM_DRO] Re: Prox switches
>> >
>> >
>> >> Good to know Bob, I've seen the ones at
>> >> Automation Direct, but
>> >> figured if I could get these for $10 then
>> >> it'd
>> >> be a good move.
>> >>
>> >> When they talk about sensing range they are
>> >> talking about the
>> >> distance from the face of the unit to the
>> >> sensing flag or are they
>> >> talking about the range in which the sensor
>> >> goes off as the flag
>> >> pass in front of it. ie; a 30mm range on my
>> >> x
>> >> axis would stop the
>> >> gantry some place in that 30mm but not any
>> >> more
>> >> accuratly than that,
>> >> or does the sensor just have to be w/in the
>> >> 30mm to see the flag??
>> >>
>> >> If a 2mm is better, would a 1mm barrel type
>> >> be
>> >> even better?? How
>> >> accurate should a person expect one of these
>> >> type sensor's to be?
>> >> Can I consistantly stop my gantry w/in
>> >> 0.010"???
>> >>
>> >> I was originally thinking some type of
>> >> mechanical switch, but
>> >> figured this type of switch might be better
>> >> since there is no
>> >> mechanical interaction and nothing should
>> >> wear
>> >> out.
>> >>
>> >> Thanks
>> >> Jarrett
>> >>
>> >>
>> >>> Jarrett,
>> >>>
>> >>> No, the sensing range is too big. You want
>> >>> a
>> >>> sensing range of 2
>> >> mm. I buy
>> >>> mine form Automation Direct.
>> >>>
>> >>> Bob Campbell
>> >>> Bob Campbell Designs
>> >>> www.Campbelldesigns.com
>> >>> Mach 2/3 breakout boards
>> >>> Relay boards
>> >>> Spindle Speed boards
>> >>> Stepper motors
>> >>> Plasma Torch Height control
>> >>>
>> >>> ----- Original Message -----
>> >>> From: "jerryflyguy" <hjjohnson@...>
>> >>> To: <CAD_CAM_EDM_ <mailto:CAD_CAM_EDM_DRO%40yahoogroups.com>
DRO@yahoogroups.com>
>> >>> Sent: Friday, March 03, 2006 10:31 AM
>> >>> Subject: [CAD_CAM_EDM_DRO] Prox switches
>> >>>
>> >>>
>> >>> > Can anyone tell me if these will or will
>> >>> > not
>> >>> > work as a prox
>> >> switch for
>> >>> > my limit and home switches?
>> >>> >
>> >>> > http://cgi.ebay. <http://cgi.ebay.com/Sick-Inductive-Proximity->
com/Sick-Inductive-Proximity-
>> >>> > Sensor_W0QQitemZ7595054869QQcategoryZ42899QQrdZ1QQcmdZViewItem
>> >>> >
>> >>> > You may have to cut and paste that link
>> >>> > together to make it
>> >> work. I
>> >>> > know nothing about these types of
>> >>> > switches
>> >>> > so any help offered
>> >> would
>> >>> > be appreciated!!
>> >>> >
>> >>> > Thanks
>> >>> > Jarrett
>> >>> >
>> >>> >
>> >>> >
>> >>> >
>> >>> >
>> >>> >
>> >>> > Addresses:
>> >>> > FAQ: http://www.ktmarket <http://www.ktmarketing.com/faq.html>
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>> > group, as many of the same members are there,
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>> http://groups. <http://groups.yahoo.com/group/jobshophomeshop>
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>> this to be a sister site to the CCED group, as
>> many of the
>> same members are there, for OT subjects, that
>> are not allowed
>> on the CCED list.
>>
>> NOTICE: ALL POSTINGS TO THIS GROUP BECOME
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>> EXCEPTIONS........
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> I consider this to be a sister site to the CCED
> group, as many of the same members are there,
> for OT subjects, that are not allowed on the
> CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC
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> List Owner
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>
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