on an ev100 truck I have a customer that wants the battery to show 100 after a charge no matter the condition of the battery. even if it only says 100% for 30 seconds of use. With the handset hooked up which direction do i go with the numbers. The bdi was set at 39 if i remember, so i figured i had a 50/50 shot. I turned it down to 34 and the customer still says it displays 90% after a full charge. Do I need to turn it down more or up more?
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Yes, all parameters are ok, I working with a Clark ECG25
you have to do the adjustment on a full charge with a good battery
usually you see this difference over the day not right away
have you checked that all your settings are correct in the other parameters?
what machine are you working on?
Justinm,
Hello, I made the steps to check voltage in 100 and 200 A, and before change seeting 14 the BDI indicates 40% of charge. so I changed the parameter and it appers the same BDI on display 40%.
I changed the logic card and the same thing.
Another advise?
Thank you
what parameter were you adjusting
im assuming you adjuster #15
thats for battery volts
setting function #15 anywhere between 32 and 44 tells the control its in a 36 volt truck
but thats not the BDI adjustment
you need function #14 "internal resistance compensation"
this alows you to fine tune the accuracy of the BDI
you have to do this test under load and do a lil math
you need a separate voltmeter that at battery voltage can read 100ths of a volt (ex: 36.57v) and a high current clamp on DC ammeter that can read 400 amps or more (DC)
you may need an assistant to operate while you take readings or vice versa (its tough to do alone)
so
jack and securely block the machine so the drive wheels are off the floor and can spin freely
clamp the ammeter to one of the motor cables in the control panel (where you can read it) i believe its supposed to go on the 1A cable
attach the voltmeter (+) to SCR positive (battery side of the 1 REC)
attach the voltmeter (-) to SCR negative (stud on lower left side of panel next to the current sensor)
remove or jump the brake pedal switch wires so that the wheels will move with the brake pedal applied
run the truck in fwd until 1A kicks in
the truck must be in 1A (high speed bypass) for this to be accurate
then start to apply brake while watching the ammeter
try to hold it at 100 amps, take the voltage reading and write it down
then repeat this but at 200 amps
V0 = 100 amp voltage reading
V1 = 200 amp voltage reading
Vd = voltage differential
Vd = V0 - V1
refer to the chart here for the setting based on the voltage differential
http img110.imageshack DOT us/img110/7905/resistancechartod4.png
for a mitsu 2fbc20 mitsu says to disconnect the power steering contactor coil
and that the dash display has to read anywhere in between 80 and 20
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