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powerboy

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powerboy last won the day on August 12 2017

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  1. Thank a lot Adamw I have another question Why fuel trim cyl#2 is not working on multi-point and wasted plug?
  2. Dear sir, I would like to inquire about the details of the cranking algorithm. Initially, I set up a 24-2 crank and 1 cam sensor on a 2-cylinder engine. Consequently, the missing teeth to 1 piston TDC is more than 180 degrees, and the cam pulse is BTDC (Before Top Dead Center) by 10 degrees. During the calibration process, using the cam pulsex1 and Trigger priority = 2, we found that 215 degrees is the match for 1# TDC. Recently, in my attempt to learn more about the cranking algorithm, I turned off and unplugged the cam sensor. However, I forgot to change the ignition to wasted spark and the injector to multi-point group. Surprisingly, the calibration showed 205 degrees as the match for 1# TDC with Trigger priority = 1. The engine ran as smoothly as it did with the cam sensor connected, and there was no increase in "Trig error counting." I have a couple of questions: Without the cam sensor, using only the 24-2 teeth on the crank wheel, direct spark, and sequential injection, is the accuracy of ECU acceptable? Is there a special algorithm to track vacuum in the manifold while cranking? Thank you for your assistance.
  3. Hi everyone I try to start my bike CB650. I triple-check all of ECU's conditions. There is only a crank sensor with 16-3 pattern (Link g4+ woking fine). Setup Inject test = OK Ignition test = visually confirm, spark is OK Engine protection rpm = 10,000 While cranking Engine rpm = OK Trigger error = only 1 count-up Injector and Ignition status = solid activate But it did not spark. Are there other parameters that I must recheck? Thank you CB650.pclx
  4. Hi sir. I need to crate a safety function which is can be reset by cycle the ECU power. Ex. Aux 1: GP output (low side for relay) Cond 1 only Cond1: AN4 > 0.5 v. Normally An4 is 0.7 to 3V. In case of error An4 below 0.4, Aux 1 will be off. And i want to holding Aux 1 in off stare until ECU reset by cycle power.
  5. I try to apply analog input to special condition (brake pressure sensor and DBW safety condition). I need to create possibility fault protection by Virtual Aux, ex An volt 1 < 0.5 or An volt 1 > 4.5. I test the condition by putting an on-off switch in line of An volt 1. Noticeably, after cut off the switch of An volt 1, voltage of An volt 1 swings so long time and not below than 0.5. I wound like to ask your help about external pull down resistor. Is 100K or 1 M ohm ok for Fury without trouble to ECU and the sensor? I knows output impedance of the brake sensor but i don't known input impedance of Analog channels. Regards
  6. My project is a circuit car. GPS, Accelerator , Gyro, and other sensors must be logged to analyze suspension and car performance.
  7. Thank Adamw. Please help me to compare Aim 5" display (with gps and acc sensor) with Ecumaster display 5" in terms of pros and cons.
  8. powerboy

    Ecumaster display

    Is anyone try to connect Link with Ecumaster display?
  9. Hi everybody Short question. I added cam sensor to our engine 2 cylinders (standard engine is only 24-2 crank sensor). With the cam sensor adding, if i change the injector rate from 1/2 engine cycle to 1 engine cycles. 1. Value in Fuel table must me double or not? 2. Is it need to re-tune fuel? (in case of re-tune, i will left 1/2 engine cycle).
  10. Thank you Simon Can you describe cut off frequency of each level filtering?
  11. I would like to ask the meaning of Trigger filtering level. In help online is a sentence to explain it "Some trigger signals contain a large amount of high frequency interference and electrical noise,..................". Trigger arming hold is the threshold which direct variation with trigger voltage. But, i don't get the main idea of filtering level. Level 1-4 are low-pass filter or anything else?
  12. Is it possible to use Linkecu in this case with two piston engine? Only 24-2 Teeth without trigger 2. Ignition are wasted plug. Fuel are multi points group and 1/2 engine cycle.
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