[smsrobotics] Re: FRC - IMPORTANT Photosensor wiring
- From: "Maria DeVuono-Homberg" <devuonom@xxxxxxxxxxx>
- To: <smsrobotics@xxxxxxxxxxxxx>
- Date: Sat, 22 Jan 2011 19:36:39 -0500
Maybe something with a shorter stroke and moderate capacity would be good if
there is enough force to hit the tubes like a frisbee.
----- Original Message -----
From: Mulik, Jaiwant
To: smsrobotics@xxxxxxxxxxxxx
Sent: Saturday, January 22, 2011 1:25 PM
Subject: [smsrobotics] Re: FRC - IMPORTANT Photosensor wiring
Ok ... the bimba actuators came in today, so lets look at those choose which
we might want to use and the make the final list. I will put in the order
tomorrow.
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Director of Academic Computing and Computer Science Instructor
St. Mark's School, Southborough, MA
(508) 786-6155
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Lekin woh zindagi hi kya jisme koi namumkin sapna na ho?
________________________________________
From: smsrobotics-bounce@xxxxxxxxxxxxx [smsrobotics-bounce@xxxxxxxxxxxxx] On
Behalf Of Bianca Homberg [bhomberg@xxxxxxxxxxx]
Sent: Friday, January 21, 2011 5:52 PM
To: smsrobotics@xxxxxxxxxxxxx
Cc: smsrobotics@xxxxxxxxxxxxx
Subject: [smsrobotics] Re: FRC - IMPORTANT Photosensor wiring
Turns out the details were on one of the original sheets we looked at (see
http://www.festo.com/rep/en-us_us/assets/pdf/VUVG-Assembly-Instuctions_2011b.pdf).
Here's the parts included in the FIRST kit:
FIRST Valve Assembly Components
• #566475 –24V double solenoid valve – VUVG-L10-B52-T-M&-1P3 –1 pc.
• #183740 –push/pull fitting, M7 thread –QSM-M7-1/4-I-U-M –3 pcs.
• #566716 –e-box –VAVE-L1-1H2-LR –2 pcs.
• #566654 –1/2 meter cable –NEBV-H1G2-KN-0.5-N-LE2 –2 pcs.
Since that's both the solenoid valve and the M7 thread fittings, I'm guessing
the two pieces need to be ordered separately. And the e-boxes are these pieces
that clip onto the ends; I think we need those, too. And the 1/2 meter cable
is necessary too--it's what attaches the solenoid valve to the control
circuitry.
The quantities listed above are copied from the sheet and account for *one*
solenoid valve assembly. If we are to use all three pistons that we are
allowed, we will need at least two more full sets of the above materials;
extras might be good in case something breaks.
In addition to this, see the list that is on the pneumatic work table
(including connectors, pressure gauges, etc). Just replace the first entry for
2 solenoid valves with the information above per each valve assembly desired.
In addition, I have been unable to narrow down the components that are used
to attach the air tubing to the actuator cylinders. Hopefully, the pieces
included in the kit of parts are the right size to connect. The Bimba FIRST
site doesn't specify whether they include those with the actuators we order or
what the necessary size is.
-Bianca
Jan 21, 2011 10:18:10 PM, smsrobotics@xxxxxxxxxxxxx wrote:
Maria take a look at this they're quite a few options to choose i know some
of them only.
http://www.festo.com/pnf/en-us_us/products/catalog?action=search&key=vuvg
Caleb
________________________________________
From: smsrobotics-bounce@xxxxxxxxxxxxx [smsrobotics-bounce@xxxxxxxxxxxxx] On
Behalf Of Maria DeVuono-Homberg [devuonom@xxxxxxxxxxx]
Sent: Thursday, January 20, 2011 8:54 PM
To: smsrobotics@xxxxxxxxxxxxx
Subject: [smsrobotics] FRC - IMPORTANT Photosensor wiring
Jon, Tim,
As I am reading what there is to read about wiring up the photosensors, I
would say that you need to remove the power and ground wire connections on the
PWM wire--the photo sensor is getting 12 V power from the PD board. Important.
Was the sensor wired up to the PD board? (Needs a 20 amp fuse.) Brown to +12V
and blue to ground
http://samplecode.rockwellautomation.com/idc/groups/literature/documents/in/42ef-in003_-en-p.pdf
? (Comments say the wiring diagram is also printed on the back of the sensor
to determine which of the two was power and which ground...)
Confirm LED's lighting. Refer to tech spec for meanings.
Keep in mind what I mentioned today: the digital sidecar digital I/O ports
are pulled up to +5V. That means that the signal you see will be true/high/+5V
unless the signal driven to false/grnd/0V. (The black and white signal wires
should be opposites.)
Please see posts here
http://www.chiefdelphi.com/forums/showthread.php?t=88548 , especially Alan
Anderson's and Alan Skierkiewicz's (both well-known advisors), and I'll explain
the circuitry issues tomorrow. (Transistors are like switches, imperfect
circuits, leakage current, etc.
Further down there is a discussion of the problem of trying to keep tiny
wires in the PD board. We need to use the terminal block. I'll show you
tomorrow.
Maria
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