R34 GT-Four RB26 Time Attack Build
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Don't turn down the limit yet. Put a mechanical pressure gauge on the car in the same spot and go and prove it. -
By TurboTapin · Posted
I've done a few BMS systems. Code in Canada use to force us to have any safety components outside of the PLC but with a code change back in 2018 I believe it was, we can now use safety PLC's to control everything. Sadly to your point, AB Guardlogix safety instructions for example are only available in ladder. Machine safety is a very big thing here though, you're constantly forced to migrate to the next best thing by OSHA. I honestly prefer safety plc's, including anything from AB more then I do working with old school safety monitoring relays. PLC is only one portion of it, the rest of the electrical still has to follow to meet SIL (Mechanically linked dual contacts, bla bla) Now tell me how to feel about safety over comm's (e.g Ethernet/IP CIP) on a unmaintained network haha -
By TurboTapin · Posted
To your point, boolean logic. We're not only working with bools in ecu's, so it's very limiting. I wanted to setup a low WMI pressure alarm. After 1 second I want WMI line to hit 100PSI, 2 seconds 175PSI, etc. and trigger an alarm if it doesn't meet those thresholds. This would of taken me one very short line of text, but instead I had to bugger around with generic timers, conditions, etc. and so forth. -
I much prefer that to an actual oil pressure issue, never would of thought it would of been a volt drop issue but SAU brains win again. Guess ill be turning down the oil pressure limit for the track and hunting some grounds. Ill hopefully update this thread with some high oil pressure and solid ecu voltage logs. -
By Murray_Calavera · Posted
You've just discovered a really good reason to tell yourself, yes, I do need to buy an aftermarket ECU. Put the MAF in the bin. Slap in the new ECU and have a think about what turbo sounds you prefer. Do you want a 90's style BOV wooosh? Do you want a hektik tsututututu? Mate, can't go wrong. Just gotta get that ECU and the world is your oyster.
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