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    Converting Polaris Ranger - Question on controller & Voltage

    You can buy a used huawei r4850g2, which can be used as a highly efficient 3kW Charger up to 60A. You get them for 100 but you need to have someone who can set the output voltage via can-bus for you , if you can't do it yourself.
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    How many years can the battery pack last at most?

    Are the wires soldered to the terminals ? That would be me biggest concern for the next years.
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    far driver controller and MXUS motor

    When you stop with the fardriver, the shown errors get reseted and deleted. I wish they had a an error log and the data logging function would store more than 50seconds or at least store the last 50 seconds.
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    far driver controller and MXUS motor

    If I had the same failure with two different Controllers , I would not excpect a firmware update will solve my problems. I have driven over 10000km with a SVMC72150 and only had one error ( over current error) during an full throttle uphil ride with nearly constant power between 12-14kw for...
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    far driver controller and MXUS motor

    If you press on upgrade and local files you get a list and down there are a few firmware. The .hex files are the firmwares Your phone needs to be connected to the controller and the internet.
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    far driver controller and MXUS motor

    Firmware update ist not described in the manuals I had found in the internet. I had done it with the old app version 1.3.7. It was during a live session with a technician from Siaecosys. The new app is different, and it is over two years ago I had done this. I don´t think I can write a good...
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    far driver controller and MXUS motor

    I had to update the Firmware from my ND96850 two years ago, as it had the ND72850 Firmware. I could not get higher than 90V with the over voltage protection.
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    Fardriver with a regen throttle?

    It is no seperate throttle. The Fardriver looks how fast (and probably how wide) you close the throttle and with this it sets a regen current. But not all Fardrivers offer this function. My 721800 does not have it, or I´m to dump to set it right.
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    far driver controller and MXUS motor

    No, always had an error , even when it only was shown for a short time.
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    far driver controller and MXUS motor

    The battery is a high power pouch Li-NMC 21S5P battery made from 105 pieces 20Ah cells (7,7kwh) and weights over 70kg. The cells can do continous 8C discharge and 5C charge. The scooter wheights over 190kg The motor is a QS273 60H 10000W and during acceleration I let the controller draw 400A ...
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    far driver controller and MXUS motor

    If the sabvoton can drive the Mxus than the fardriver can do this also. I had installed a SVMC72260 and a SVMC72150 in my scooter, both died with field weakening in a no load scenario. Then I changed to Fardriver. First a ND72680 now an ND721800. They can handle motor phase short circuits...
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    Endless Sphere knowledgebase system ( zeropress ) and funding drive

    I will also pledge $50 I found a lot of usefull things in here which saved me money and time.
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    torque settings of Nanjing fardriver

    Ratios in speed are percentage of the phase current which equals to torque. More phase current = more torque. You have to raise the ratios in speed for the lower rpm values. Do you use a 3-speed switch? If not set the low and middle speed values to 100% to be shure you always have full power...
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    FarDriver ND108530 regen problem

    100% of the phase current setting is probably to much. I never got over 20%. But I do not know if this changes anything with your problem.
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    Rectifier Huawei R4850G2 48V 42~58V 3000w

    My Post 283 Now I can answer my question myself. If you send 0X01 09 00 01 00 00 20 00 the AC input current gets limited to 8A if you send 01 09 00 01 00 00 10 00 it gets limited to 4A, as you can see on the pictures. The electronic load would draw 60A , but the rectifiers limits to the set...
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    Rectifier Huawei R4850G2 48V 42~58V 3000w

    Have you probably set an input current limit, this could force the psu to drop the output voltage. Your Ampere readings over can should though be accurate.
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    issue with Nanjing Fardriver ND72360, probably a simple problem.

    72V plus from the battery trough a 1-5A fuse to the Orange wire. Then you can be shure if you have a dead switch.
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    issue with Nanjing Fardriver ND72360, probably a simple problem.

    My Fardrivers start with 72V at the Orange wire coming from the battery and the key switch. Probably your switch is dead. I would try a different swicht or wire it without the switch to see if them turns on.
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    issue with Nanjing Fardriver ND72360, probably a simple problem.

    Habe you meaured the voltage at the your switch and at the Orange wire from the Fardriver?
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    Nanjing far driver controllers

    Do you have "one Lin" communication from the battery to the controller? If not try and set in Protect menu BattSignal to Lithium.
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    Nanjing far driver controllers

    If the App is compatible withe the controller and thr BLE module, you can change all nececary values in the app. My ND72680 could be fully set with the new App. My ND721800 has a lot of issues eith the new App. I can only change the first two values in the regen table. The Computer Software does...
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    Nanjing far driver controllers

    No , if it was possible before regen then it should also be possible after regen. Is it a common port bms? If not regen will not work.
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    Nanjing far driver controllers

    If you can charge your battery with 10A then you should also be able to set 10A sbc. Where the 10A come from should not matter. But if you do not see any values from the bms then there also could be a different problem In the battery If the bms cuts out during regeneration the controller...
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    Nanjing far driver controllers

    It is the BMS that limits the charging current. What is the setting in your BMS? I had the same thing when my battery was to cold. The BMS cut regeneration and the controller stops working until you stop the motor completly.
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    My Chinese E-Scooter

    Power wheely at 50km/h :bigthumb: What was the 2000W motors magnet size and phase wire ? The new motor will run a lot cooler now.
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