Chief Delphi - blog; Motor Controller Options for 2015

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Chief Delphi (http://www.chiefdelphi.com/forums/index.php)

- General Forum (http://www.chiefdelphi.com/forums/forumdisplay.php?f=16)

- - blog; Motor Controller Options for 2015 (http://www.chiefdelphi.com/forums/showthread.php?t=130334)

Ideal_Nerd

20-11-2014 21:08

Re: blog; Motor Controller Options for 2015

Just got word from vex saying that the new talons will not be available to order till late December.

Joe Ross

29-11-2014 17:07

Re: blog; Motor Controller Options for 2015

Quote:

Originally Posted by Andrew Schreiber (Post 1398886)

And how's the error recovery for if we lose power or connection mid flash?

Can't speak for the Talon SRX, but I just played around with error recovery for the PCM. I pulled PCM power towards the beginning of the flash, towards the middle of the flash, and towards the end of the flash. In all cases I was able to recover.

Andrew Schreiber

01-12-2014 10:41

Re: blog; Motor Controller Options for 2015

Quote:

Originally Posted by Joe Ross (Post 1410571)

Sweet. That was one of my big concerns when flashing CAN Jags.

mman1506

03-12-2014 02:20

Re: blog; Motor Controller Options for 2015

Do the new talons communicate with CAN over the PWM cable? If so that's awesome.

NotInControl

03-12-2014 02:32

Re: blog; Motor Controller Options for 2015

Quote:

Originally Posted by mman1506 (Post 1411247)

Do the new talons communicate with CAN over the PWM cable? If so that's awesome.

Yes but its the other way around (I.e The new Talon SRX will run PWM over the CAN wires).

The new Talon will auto detect whether you are connect to a can bus or a pwm source.

On FRC you only need two wires for PWMs (signal and ground) to an FRC legal motor controller because all FRC motor controllors ignore the center power pin (these are only used for servos)

You can wire the 2 CAN wires on the Talon SRX to PWM signal and ground and it will auto detect PWM.

CAN_H = PWM Signal
CAN_L = PWM Ground

The Victor SP (which has a 3-pin PWM) can only be used in PWM mode, no CAN available

Hope this helps,
Kevin

mman1506

03-12-2014 16:25

Re: blog; Motor Controller Options for 2015

Quote:

Originally Posted by NotInControl (Post 1411248)

Thanks, can you change PID values and configuration over CAN without a separate utility?

Ether

16-01-2015 11:04

Re: blog; Motor Controller Options for 2015

1 Attachment(s)

Quote:

Originally Posted by Ether (Post 1397282)

The body is made of aluminum, and it is isolated from the electronics inside. If you're concerned about cooling, rub some thermal paste on it and bolt it to an aluminum plate.

Quote:

Originally Posted by cgmv123 (Post 1397284)

Or don't risk violating the rule against modifying electronics and add a fan instead.

Quote:

Originally Posted by Ether (Post 1397285)

What rule did you have in mind, that prohibits mounting a motor controller using the provided mounting holes?

The thermal paste could be omitted, if that is the concern.

Quote:

Originally Posted by cgmv123 (Post 1397288)

Yes, that would be the concern.

Just so everyone is aware, now that the 2015 rules are released:

R55 G

AdamHeard

02-02-2015 11:14

Re: blog; Motor Controller Options for 2015

I think it's fair to point out that we are nearing the end of build season, and presumably most teams have got their big orders in...

Vex is still in stock.
WCProducts is still in stock.
Andymark is still in stock.
RobotSpace is still in stock (For Victors, Talons are out. Based on everyone else having stock, I'm sure they will get replenished soon.)

So................. They handled it awesome in my opinion.

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