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powerboy last won the day on August 12 2017

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  1. 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.
  2. 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
  3. powerboy

    Ecumaster display

    My project is a circuit car. GPS, Accelerator , Gyro, and other sensors must be logged to analyze suspension and car performance.
  4. powerboy

    Ecumaster display

    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.
  5. powerboy

    Ecumaster display

    Is anyone try to connect Link with Ecumaster display?
  6. 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).
  7. Thank you Simon Can you describe cut off frequency of each level filtering?
  8. 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?
  9. 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.
  10. Any body help me to solve my problem. My engine is one cylinder with 24 (reluctor) and 1 (hall) teeth on crank and cam. The crank sensor signal very clear on oscilloscope. The crank arming threshold is 0 1000 2000 3000 4000 5000 6000 7000 0.2 0.4 0.7 0.9 1.1 1.3 1.6 1.8 But sometime, while cranking, the engine rpm rise over 2000 RPM immediately (last 20 second in log file) and engine knock sound very loud and engine suddenly brake. How can i check my Link ecu crank cam input brake or not good condition working? In the log file on the time -2.06 to -1.54, i try to rev engine to highest rpm and check the crank and cam on oscilloscope. The signals looking good no any noise but in logger show the engine rev over 12000 rpm at time -2.00. Mar_05Log.llg
  11. More then 10 with Link ECUs with difference engines/cars. Size of fuel and ignition main tables 22x20 cells are too small, especially number of rows for high boost engine. In case of multi target boost levels, 20 rows are concentrate to boost levels, thus 2-5 rows in vacuum for constant speed and relax drive are not perfect. Haltech elite is often compare with Link which Haltech's table size is 32x32. If the new firmware is concentrate on fuel and ignition table size, Link ecu will be no competitor and closed to the best Ecu in market.
  12. Hi guys Anyone can recommend a reasonable price of wireless module working with can bus to PC for data logging in real time.
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