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IntelliSwitch Discussion
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Intelliswitch Questions and Answers
Intelliswitch Questions and Answers
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rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 12:18 PM
Quote
I have been ask by various serveral questions about Intelliswitch and though it would assist to create this forum to share the information.
- Does the IntelliSwitch have a Batt Share Function?
The Intelliswitch microprocessor has a micro battery sharing circuit as a safety feature. The microprocessor will draw power from the best battery all the time and electronically switch between batteries when necessary. The main power circuit design is 2 completely independent switches. Why?, because some pilots like to fly with 2 x completely independent receivers i.e. one battery for each receiver. We do have a very inexpensive BatShare circuit (we call it DualBat rated at 2 x 10A) product which can be connected post Intelliswitch switch for 2 into 1 battery redundancy isolation.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 12:25 PM
Quote
- Can I use a 4600mah & 2300mah battery together with IntelliSwitch if they are both A123's!
Yes you can. It is up to you but make sure that the cell count is identical (same output voltage). The battery with the most power will be chosen to power the Intelliswitch internal circuit. The battery with the lowest internal resistance will supply the load until voltage equilibrium is reached and then both will drain more or less equally.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 12:25 PM
Quote
- I see IntelliSwitch uses 400 micoamps when in stand by mode.
Does this still count on the counter even though it is such a small amount?
No unfortunately not. To add this to the counter would mean that Intelliswitch would need to be active 24/7 @ 40mA per hour and would defeat the micro power functionality. We could design to wake test store and sleep but at this point we just sleep the micro and power circuits. In sleep mode Intelliswitch will consume about 9.6 mA per day if connected to your batteries. With a battery combo of 4600 + 2300 mA this would give you a battery life of approximately 718.75 days or close to 2 years to dead flat. More realistically several months and, if you are not flying for several months then you would probably want recharge your batteries before flying (just in case). I know I would.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 12:26 PM
Quote
How does the tempeture prob work an on what components? Batt, RX, etc?
The temperature function measures PCB temperature thought a PBC mounted 402 thermistor, which is a good indication (plus a few degrees) of what is happening inside the models main body.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 12:29 PM
Quote
Any possible chance that IntelliSwitch can vibrate itself to the off position?
Absolutely not. This was one of the main design criteria. The mechanical switching function to turn ON/OFF requires that the front panel membrane ON/OFF switch be held closed for 1.5 seconds and then (and only then) the enter switch must be pressed to toggle the switch state. So it requires a timed sequence of switch presses to toggle the switch state. Even if the front panel switch shorts or open circuits (and I highly doubt this could happen) Intelliswitch will hold its current state i.e. if it is on it stays on, if off it stays off. All that needs to be ascertained is that battery power is available and in the rare case where both batteries fail… then it does not matter what switch you have you are just plain out of luck.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 12:32 PM
Quote
Can you reset the mAh counter without disconnecting the batteries?
No. You will need to unplug and reconnect to reset the mAh counters.
You could put a Y connector in line before the switch to recharge the batteries without unplugging. However I err caution when using a Y connector and here is why.
Intelliswitch will ask you to reset the mA counters when power is removed and reapplied. This design was implemented to minimize the possibility of the user forgetting to reset the mA counters while at the field under some potential duress at competition etc.
The need to unplug batteries from Intelliswitch will ensure that the user is brought to action so that when the batteries are recharged and plugged back in then Intelliswitch will ask “RSET” and then “SURE” to ensure the user is getting it right.
I have been asked to consider a modification where the user can reset the mA counter without removing power and am happy to move towards this objective if there are enough enquiries. My only concern would be that someone incidentally resets the mA counter giving a false reading of battery consumption with potentially disastrous results.
More feedback on this topic please.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 12:35 PM
Quote
In the event that one of the batteries fail and left with one cell will the switch still allow power to go through?
Yes, Intelliswitch will draw power from the remaining battery to power the microprocessor. And the remaining independent switch will still work. So, if using a BatShare (we call it DualBat) circuit then status quo to one or both receivers.
If using dual receivers. One receiver will go offline and the pilot gets an immediate knowledge of an issue to bring the model back to mother earth. I know I have had this experience in the past.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
10/15/2008
Location:
Australia
PM
Posted:
Thursday, February 17, 2011 2:45 PM
Quote
If you're running a 5-cell pack and there's a sudden load on the servos, it's conceivable that the switch might "see" less than 6 volts for some brief period. Will it still function or drop out?
Intelliswitch uses a processor rated to run as low as 1.8 volts. We have tested voltages down to 2.5 volts without dropout.
At 2.5 volts you are guaranteed to have problems with receiver and servos being non-functional well before Intelliswitch will drop out.
Having said this we do not endorse usage below no load rating of 6 volts.
Regards
Rick Gell
rick@boomarc.com
Quality RC Products
al719blowout@yahoo.com
Total Posts:
1
Joined:
2/21/2011
Location:
United States
PM
Posted:
Wednesday, February 23, 2011 11:57 AM
Quote
Is their a charge jack associated with this switch ?
rick@boomarc.com
Status:
Moderator
Total Posts:
18
Joined:
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Location:
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PM
Posted:
Monday, March 07, 2011 8:56 PM
Quote
al719blowout@yahoo.com wrote:
Is their a charge jack associated with this switch ?
No charge jack on Intelliswitch but we are working on a solution.
What type of connectors do you need on a charge jack? JR, Ultra or others?
Regards
Rick Gell
rick@boomarc.com
Quality RC Products