need help interpreting the output of neatocontrol

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need help interpreting the output of neatocontrol

Postby boozi2 » January 22nd, 2018, 3:36 pm

The bot turns on and after about 5 seconds turns off, i`m suspecting the battery
what do you think?


____ Discrete: ____=
SNSR_DC_JACK_IS_IN=False
SNSR_DUSTBIN_IS_IN=False
SNSR_LEFT_WHEEL_EXTENDED=False
SNSR_RIGHT_WHEEL_EXTENDED=False
LSIDEBIT=False
LFRONTBIT=False
LLDSBIT=False
RSIDEBIT=False
RFRONTBIT=False
RLDSBIT=False
____ Analog: ____=
BatteryVoltage=mV=16318
BatteryCurrent=mA=0
BatteryTemperature=mC=19900
ExternalVoltage=mV=17767
AccelerometerX=mG=-16
AccelerometerY=mG=39
AccelerometerZ=mG=988
VacuumCurrent=mA=0
SideBrushCurrent=mA=0
MagSensorLeft=VAL=0
MagSensorRight=VAL=0
WallSensor=mm=95
DropSensorLeft=mm=0
DropSensorRight=mm=3
____ Buttons: ____=
BTN_SOFT_KEY=False
BTN_SCROLL_UP=False
BTN_START=False
BTN_BACK=False
BTN_SCROLL_DOWN=False
BTN_SPOT=False
IR_BTN_HOME=False
IR_BTN_SPOT=False
IR_BTN_ECO=False
IR_BTN_UP=False
IR_BTN_DOWN=False
IR_BTN_RIGHT=False
IR_BTN_LEFT=False
IR_BTN_START=False
IR_BTN_LEFT_ARC=False
IR_BTN_RIGHT_ARC=False
____ Charger: ____=
FuelPercent=91
BatteryOverTemp=0
ChargingActive=OFF: 0
ChargingEnabled=OFF: 0
ConfidentOnFuel=0
OnReservedFuel=0
EmptyFuel=0
BatteryFailure=0
ExtPwrPresent=1
ThermistorPresent=1
BattTempCAvg=19
VBattV=16.31
VExtV=17.76
Charger_mAH=0
Discharge_mAH=0
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Re: need help interpreting the output of neatocontrol

Postby Medtech » January 23rd, 2018, 12:21 pm

You should replace the battery, on a nickel metal hydride battery of 10 cells there can not be a voltage higher than 13-14V, or your charging controller incorrectly detects the voltage.
Do you have a lithium-ion battery?
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Re: need help interpreting the output of neatocontrol

Postby glnc222 » January 23rd, 2018, 12:58 pm

Measure the battery voltage outside the robot with a volt meter. The voltage reported is typical of an XV model twin pack 15v battery fully charged, while the Botvac is a 12v system. See if the system is not measuring properly internally.
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Re: need help interpreting the output of neatocontrol

Postby boozi2 » January 23rd, 2018, 2:41 pm

Thanks for the replies, im attaching a picture of the battary
https://i.imgur.com/6gNBCNt.jpg

Is it not suited for the connected model ? if so is there a suggestion on where to buy a different one ?
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Re: need help interpreting the output of neatocontrol

Postby glnc222 » January 26th, 2018, 2:09 am

Now that the Neato model is finally identified, more advice is possible. Neato has several models all with different batteries. The newest, Connected series uses the lithium ion battery shown above, with voltages consistent with the measurements from Neato Control -- the same voltages on the old twin pack NiMh XV models, but on a single pack lithium, in the same range (lithium replacements are supplied for the old XV's, using four series).

These Connected batteries charge to a maximum of 16.8v, and on that basis of voltage the charger terminates. The batteries do not heat up like NiMh and the temperature readings should not deviate much from room temperature, which appears to be the case. The Fuel Gauge and the voltage appear consistent with the battery a little less than full.

What can happen with a defective battery is a loss of charge capacity which is not revealed by the voltage except when under load, and in the run time. Voltage falls during discharge along a discharge curve, to a minimum around 12v here when completely empty, which is never the case in the robot operations -- an unused buffer is maintained against deep discharge. It is possible that as soon as the robot starts with a defective battery, the abnormal low capacity is used up immediately, and the voltage falls below the operating level for the robot -- under the load, not when the robot is stopped. So it shuts down.

The typical way to test this is to replace the battery to see if the problem is fixed. The battery can also be tested over USB with Neato Control by just running the fan for about 1/3 the full operating load, and see how long it can run, to measure the actual battery capacity in its possibly defective or worn out condition. Outside the robot a 25W auto lamp, or a bunch of 10 watt resistors in parallel equivalent resistance, can load the battery closer to full running level, 2 amps or more -- useful before buying a replacement battery (which shops would already have on hand to try).

Defects in the battery connection or some system components related to the power supply could also produce a failure when run. Running the motors such as the fan over USB allows observing the effect on the battery voltage of the load, whether an excessive drop occurs. The robot might even shut down as soon as the fan is engaged in a worst case, breaking the USB connection.
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Re: need help interpreting the output of neatocontrol

Postby Medtech » February 7th, 2018, 12:50 pm

please give the robot's response to the team GetVersion
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