From: "Finn Lassen finn.lassen@verizon.net" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: EC3 software for Renesis RX-8/LS2 coils fixed and
 uploaded
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Date: Tue, 7 Jul 2020 10:27:44 -0400
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I'm fairly sure the backup CAS sensor input does go the the CPU chips. TP2?

";09-04-03  ADDED B CONTROLLER LOGIC TO USE 30 DEG EARLIER TIMING ON 
BACKUP CAS IF PRESENT.
...
;05-12-10  MODIFIED 0xB1 TO USE THE SAME TIMING ON BACKUP CAS AS 
PRIMARY  THIS IS FOR LS-2-7 ENGINES.  MUST TEST!!!!!
;Found error in B1 tp2 rout & fixed.  Runs OK now."

BUSENSOR    EQU    0x00        ;0 = NO BACKUP SENSOR, 1 = BACKUP 
INSTALLED (0xA8,0xA9,AB,AD,B1,B2,B4 0-200 ENGINE ONLY)

Looks like it's a programmable option.
Seems I've read elsewhere that is has to be mounted 90 degrees earlier 
than the main CAS.
I was going to look into that at some point. Other than the output 
switching relays, the CAS is pretty much the only single point of failure.
I tried to Google it but didn't really find any evidence of RX-8 CAS 
sensor failures. However, can be bought as a spare part ...

Perhaps someone out there has already implemented it and can tell us 
how. (Automatic or require a switch?)

Finn

On 7/6/2020 7:21 PM, A RICHARD GOLDMAN argoldman@aol.com wrote:
> Additionally I think there is an input for a second CAS something tells me that that was for future and it goes nowhere. Any thoughts?
> Rich
>
> Sent from my iPhone
>
>> On Jul 6, 2020, at 5:33 PM, Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
>>
>> Hi Rich.
>> What’s the RMS?
>> I have had the same question re knock input.
>>
>> Steve Izett
>>
>>> On 7 Jul 2020, at 3:38 am, argoldman@aol.com <flyrotary@lancaironline.net> wrote:
>>>
>>> Hi Fin, and all
>>>
>>> Been  pouring over the schematics etc. for ec-3 and em-3 that have been posted.
>>> At the outset let me confess that I am a rank dyslexic beginner at reading (and understanding) schematics.
>>>
>>> I have a ec-3 and em-3 which my records show that I purchased in April of 2010.
>>> Reading through the documents, it seems like the only change he made with the  6/13/12 update was to substitute a .001uf cap for existing at C28. Was the only change. For what reason was it done and is it suggested to make that modification.
>>>
>>> I also noticed that he has an input lead pin 38 IC1 for a knock sensor.
>>>
>>> Was there a software update between when I got mine and when he stopped shipping. Is it available and is it significantly important. Was the knock sensor included in that upgrade?
>>>
>>>
>>> HELP!!!  I'm learning just enough to become dangerous (mainly to my psyche) as I near the engine installation and testing (probably early next spring or with the weather we have been having--mid winter. (Chicago)
>>>
>>> Any suggestions (other than to can the RMS (already installed)) to soothe my psyche?
>>>
>>> Thanks again
>>>
>>> Rich
>>>
>>>
>>>
>>>
>>
>> --
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