Adam Grosso Posted March 16, 2009 Report Posted March 16, 2009 I have an Idle Control 4 wire stepper motor using a Link G2 Plus setup on a Chevy LS1 motor. It is wired up to Aux Channel/Output 1. When I go to the Idle Speed Control setup in PC Link I do NOT get the option for OPEN or CLOSED LOOP mode. If I change the Aux Output to ISC Soleniod then I get these options. My question is how do I setup the ISC to work with a stepper motor in CLOSED LOOP mode? It appears that when I select ISC STEPPER as Aux 1, I can only get what woudl be an OPEN LOOP mode. Basicaly i set a step position for a given Engine temp and for an AC request at a given Engine Temp. Does a CLOSED LOOP mode even exist for a stepper motor ISC? Hopefully this will get answered quicker then my last question, which was Dec 2008 with absolutely no replies. But it was only the trigger calibration so it wasn't very important. ha ha ha ha ha And apparently nobody in the US knows crap about settingup these LINK ECU's. So some help would be greatly appreciated. I wonder if the level of frustration I have had with these ECU's is coming across clearly or if any of the sarcasim is giving off the wrong impression? Thanks, Adam Quote
Cameron Moore Posted March 16, 2009 Report Posted March 16, 2009 Hi Adam,At the moment I can see that there's just an open loop mode there by default. I'll run one up on the bench with a stepper and see what happens. What firmware are you running?Apologies for missing your question in December, we closed for Christmas and things have just been really busy with the new G4 platform selling like hotcakes since we got back. Hope we can help.-Cameron Quote
Adam Grosso Posted March 17, 2009 Author Report Posted March 17, 2009 I'm running the latest 1.9.2 version firmware. I am also using the latest PC Link 3.4 (as I'm forced to I think with the firmware upgrade) and is it just me or does it crash an awful lot. It crashes every 5-10 minutes and is very annoying. It seems like it just locks up for no reason. Sometimes it does it right when I connect to the Link ECU, while other times it does it after 10 minutes of use while I'm navigating to a different section within the application. Is it just me getting this problem? Thanks, Adam Quote
Cameron Moore Posted March 17, 2009 Report Posted March 17, 2009 Haven't heard of anyone else having that issue. You could try uninstalling and installing again? Or maybe if you have another computer try your ECU on that to see if it's the ECU dropping out or your PC. Quote
Adam Grosso Posted March 17, 2009 Author Report Posted March 17, 2009 I never had the issue with my laptop and ECU until I upgraded to the newest version of PCLink. I don't have another laptop to try but I will see what i can do. Any word on finding a closed loop mode for a stepper ISC? Adam Quote
Cameron Moore Posted March 17, 2009 Report Posted March 17, 2009 Sorry to be the bearer of bad news, but there is no closed loop stepper control for the G2. Your best option would be to switch to a solenoid if you're not satisfied with the open loop. Quote
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