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Search took 0.02 seconds. search: Posts Made By: Mike Copioli
Forum: General Forum 12-16-2016, 06:33 PM
Replies: 41
Views: 4,804
Posted By Mike Copioli
Re: [FRC Blog] 2017 Motor (and Servo?) Controllers and MXP

The DMC-60 is not a VEX or CTRE product.
Forum: Electrical 03-06-2016, 07:17 PM
Replies: 46
Views: 3,822
Posted By Mike Copioli
Re: Legality of running a capacitor inline with roboRIO power

There are no ports on the PDP that are regulated. The VRM has SEPIC regulated outputs. If you are getting frequent brown outs the most likely culprit is a poor connection somewhere between the...
Forum: Electrical 02-17-2016, 09:41 AM
Replies: 6
Views: 865
Posted By Mike Copioli
Re: VRM experience and rule R43

On the older revs of hardware (<1.4) that was only true on the 2 amp rail and the limit was actually 1.5 amps. So if you are unsure which rev you have keep the total budget below 1.5 and you are good...
Forum: CAN 02-17-2016, 09:34 AM
Replies: 3
Views: 753
Posted By Mike Copioli
Re: Inconsistent Talon LED's

I want to make it very clear that when a Talon SRX cal button is stuck, it will NOT affect the CAN bus in any way what so ever.

This teams issue was with there device ID's not being unique and has...
Forum: Electrical 02-17-2016, 09:21 AM
Replies: 6
Views: 865
Posted By Mike Copioli
Re: VRM experience and rule R43

While the 12 volt outputs share the same regulator they do not share the same output protection. The rail is split into two separate PTC's, 500mA and 2amps. While a short to the 2 amp rail will...
Forum: Control System 02-07-2016, 09:04 AM
Replies: 2
Views: 841
Posted By Mike Copioli
Re: How do you set up the Talon SRX in position mode using the CTR absolute encoder

Have you looked at this yet? Starts on page 49.
http://www.ctr-electronics.com/Talon%20SRX%20Software%20Reference%20Manual.pdf
Forum: Electrical 02-07-2016, 09:00 AM
Replies: 3
Views: 810
Posted By Mike Copioli
Re: How close can power wires be to Talon CAN wires

While it is always a good practice to route your signal wires separate from power, with CAN it really does not matter. That is one of its benefits.

We have actually taken testing as far as making...
Forum: Electrical 01-20-2016, 09:19 AM
Replies: 28
Views: 3,382
Posted By Mike Copioli
Re: Spark Motor Controller vs. Victor SP

Thank you for the feedback. We do here this argument often however to date we have had no reports of this actually happening. Which leads me to believe that this is not a problem at all.

But in...
Forum: Electrical 01-19-2016, 05:45 PM
Replies: 28
Views: 3,382
Posted By Mike Copioli
Re: Spark Motor Controller vs. Victor SP

Paul is correct on this Greg. If you are not including the weight of the leads in your numbers then you are not accounting for the total operational mass. When the leads are factored in an apples...
Forum: Electrical 01-19-2016, 05:41 PM
Replies: 28
Views: 3,382
Posted By Mike Copioli
Re: Spark Motor Controller vs. Victor SP

I have not seen this mentioned anywhere but another feature unique to the Talon SR/SRX and Victor SP is the smart LED. The led will blink at a rate proportional to duty cycle. A faster blink rate...
Forum: Electrical 01-10-2016, 08:57 PM
Replies: 6
Views: 985
Posted By Mike Copioli
Re: R13 Question - Talon SRX Breakout

This rule is in place to allow teams to reuse Talon SRX's and Victor SP's that have had the input/output and signal leads modified. ex. adding Anderson connectors to your motor and power leads. I...
Forum: CAN 01-06-2016, 04:53 PM
Replies: 13
Views: 2,060
Posted By Mike Copioli
Re: Best CAN Connector Interface

This was considered during development of the Talon SRX. However the overall footprint and weight of the device would have increased. It was decided that, due the increase in real estate, and the...
Forum: General Forum 03-01-2015, 09:17 AM
Replies: 206
Views: 47,215
Posted By Mike Copioli
Re: Week 1 Observations

Some recommendations after week 1 SFR (south Florida Regional). Below are a list of observed issues. These are in order of most common to least common

1. Update your DS software, PDP and PCM...
Forum: General Forum 02-27-2015, 10:52 PM
Replies: 206
Views: 47,215
Posted By Mike Copioli
Re: Week 1 Observations

Allen,

Having a legal robot should be every teams priority. Updating PCM, PDP, and Talon firmware is easier than tying your shoes.
Forum: Pneumatics 02-19-2015, 02:49 PM
Replies: 22
Views: 3,126
Posted By Mike Copioli
Re: Thomas Compressor

Al,

The Spike has a suppression diode at the motor terminals. This diode clamps the inductive flyback that happens during both the freewheeling period and direction changes.

When a motor is...
Forum: Pneumatics 02-19-2015, 01:59 PM
Replies: 22
Views: 3,126
Posted By Mike Copioli
Re: Thomas Compressor

Al,

The Spike has a suppression diode at the motor terminals. This diode clamps the inductive flyback that happens during both the freewheeling period and direction changes.

When a motor is...
Forum: Electrical 02-11-2015, 01:23 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

Yes.

If the strike's potential is higher than what the device is designed around, you should expect the device to fail.

Would you think your television design was unacceptable if it fried due to...
Forum: Electrical 02-11-2015, 08:26 AM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

This is an ESD issue, not related to thermal.



So far only two teams have reported this problem. Not several.



This is far from the truth. No amount of ESD precautions can guarantee protection...
Forum: Electrical 02-10-2015, 06:04 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

I agree it should fail. But I would not suggest that the product is crap if it did fail because of this.
Forum: Electrical 02-10-2015, 05:10 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

The Talon SRX is tested to both EN 61000-6-1 and EN 6100-4-2, 8KV air gap and 4 kV direct contact. This is the standard that most consumer electronics are tested to.

We used the attached TVS diode...
Forum: Electrical 02-10-2015, 03:48 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

So what happens if the ESD event is greater than 15 kV?
Forum: Electrical 02-10-2015, 01:08 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

We have been working with Greg and will continue to work with him on this issue. This problem has never been reported or observed during Internal testing or during Beta testing. We will continue to...
Forum: Electrical 02-10-2015, 12:51 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

Sensitive to what?


Have you contacted CTRE support regarding this issue?
Forum: Electrical 02-10-2015, 12:48 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

Better than What? Do you even know what the ESD rating is for the Talon SRX?
This would be an important thing for you to know before claiming it is not sufficient.
Forum: Electrical 02-06-2015, 03:42 PM
Replies: 55
Views: 9,448
Posted By Mike Copioli
Re: Blown talon srx modules

Back driving a motor on a Talon SRX, Victor SP or Talon SR will not cause it any harm. The back EMF that gets generate is no more harmful than the forward voltage that is applied during...
Showing results 1 to 25 of 444
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