using up my last few options
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using up my last few options
I am now down to my last few i/o options on my setup as the hardware is . according to my calculations I have JS4,5,7, 10,boost, inj b1,and inj b2 left to use . Things I want to add are fuel pressure, oil pressure, a traction control enable/disable switch, and a check engine light output. Now i have added a DB15 connector to the case to bring JS4,5,7,and 10 out of the case . I plan to use JS4 and 5 as generic sensor inputs for the oil and fuel pressure .....JS7 for the traction control enable /disable ...and boost as the check engine light driver. Since some of these are raw processor pins , are there any precautions I should take as far as circuit protection incase of shorts to battery or ground ?
Most of my setup is in my signature but here it is for reference:
*MS3
*MS3X
*realtime clock
*knocksense module
*inputing 2 VSS signals
*sequential spark and fuel on 8 cylinders
*launch control and flatshift with clutch on/off switch
*ac idle up and compressor control
*sd datalogging with dash switch
*electric fan control
tune is attached. Thanks in advance .
Most of my setup is in my signature but here it is for reference:
*MS3
*MS3X
*realtime clock
*knocksense module
*inputing 2 VSS signals
*sequential spark and fuel on 8 cylinders
*launch control and flatshift with clutch on/off switch
*ac idle up and compressor control
*sd datalogging with dash switch
*electric fan control
tune is attached. Thanks in advance .
Ricky-
1995 Nissan 240sx, 403 LS strokerv8 N/A 6speed trans
MS3&MS3X v.3.0 PCB
42lb/hr Hi-Z inj.,230/232 @.050 on 114LSA cam
sequential fuel and sequential spark
LS3/LSA card MAF sensor
97 Mazda MX5
MS3 2002 vvt motor
.60 trim T4 Turbo at 15 PSI
1995 Nissan 240sx, 403 LS strokerv8 N/A 6speed trans
MS3&MS3X v.3.0 PCB
42lb/hr Hi-Z inj.,230/232 @.050 on 114LSA cam
sequential fuel and sequential spark
LS3/LSA card MAF sensor
97 Mazda MX5
MS3 2002 vvt motor
.60 trim T4 Turbo at 15 PSI
Re: using up my last few options
So...
Now you get to order an IOx card (or three?) and see how many other inputs and outputs you can dream up a 'need' for on your car?
Now you get to order an IOx card (or three?) and see how many other inputs and outputs you can dream up a 'need' for on your car?
Josh
-greasy fingered tinkerer
-greasy fingered tinkerer
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Re: using up my last few options
yes I am entertaining that but mostly want to know what I need to do to use what I have left without blowing something up ....since these are raw processor pins I am treading lightly.Hey_Allen wrote:So...
Now you get to order an IOx card (or three?) and see how many other inputs and outputs you can dream up a 'need' for on your car?
Ricky-
1995 Nissan 240sx, 403 LS strokerv8 N/A 6speed trans
MS3&MS3X v.3.0 PCB
42lb/hr Hi-Z inj.,230/232 @.050 on 114LSA cam
sequential fuel and sequential spark
LS3/LSA card MAF sensor
97 Mazda MX5
MS3 2002 vvt motor
.60 trim T4 Turbo at 15 PSI
1995 Nissan 240sx, 403 LS strokerv8 N/A 6speed trans
MS3&MS3X v.3.0 PCB
42lb/hr Hi-Z inj.,230/232 @.050 on 114LSA cam
sequential fuel and sequential spark
LS3/LSA card MAF sensor
97 Mazda MX5
MS3 2002 vvt motor
.60 trim T4 Turbo at 15 PSI
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Re: using up my last few options
Look at the MS3X schematics and what is used for the different I/O types. You can then do the same or similar.
Jean
Jean
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Re: using up my last few options
The circuits to use the "spare" pins on the mainboard are shown in the MS3base/V3.0 Hardware manual
James
James
I can repair or upgrade Megasquirts in UK. http://www.jamesmurrayengineering.co.uk
My Success story: http://www.msextra.com/forums/viewtopic ... 04&t=34277
MSEXTRA documentation at: http://www.msextra.com/doc/index.html
New users, please read the "Forum Help Page".
My Success story: http://www.msextra.com/forums/viewtopic ... 04&t=34277
MSEXTRA documentation at: http://www.msextra.com/doc/index.html
New users, please read the "Forum Help Page".
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Re: using up my last few options
James - quick note on the hardware manual for MS3 in the section you're referring to (3.5.6 Other relay outputs):jsmcortina wrote:The circuits to use the "spare" pins on the mainboard are shown in the MS3base/V3.0 Hardware manual
James
Figure shows "From MS2" instead of "From MS3"
Not earth shattering... but figured I'd mention it
1990 Nissan 240sx / SOHC KA-T / DIYPNP
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Re: using up my last few options
sweet...thanks James . I didnt know that existed . I plan to use js4 and js5 as analogue inputs
Where did that come from . Ive never seen that pdf.So I build the circuit in 3.4.9.1 and Im good for JS4 and 5 then? So I need _2 _diodes and _3_ 1k resistors and _1_ .22uf cap to run these 3 inputs plus the sensors .
JS7 will only be used as a enable/disable for TC and it will be active on ground.
Where did that come from . Ive never seen that pdf.So I build the circuit in 3.4.9.1 and Im good for JS4 and 5 then? So I need _2 _diodes and _3_ 1k resistors and _1_ .22uf cap to run these 3 inputs plus the sensors .
JS7 will only be used as a enable/disable for TC and it will be active on ground.
Ricky-
1995 Nissan 240sx, 403 LS strokerv8 N/A 6speed trans
MS3&MS3X v.3.0 PCB
42lb/hr Hi-Z inj.,230/232 @.050 on 114LSA cam
sequential fuel and sequential spark
LS3/LSA card MAF sensor
97 Mazda MX5
MS3 2002 vvt motor
.60 trim T4 Turbo at 15 PSI
1995 Nissan 240sx, 403 LS strokerv8 N/A 6speed trans
MS3&MS3X v.3.0 PCB
42lb/hr Hi-Z inj.,230/232 @.050 on 114LSA cam
sequential fuel and sequential spark
LS3/LSA card MAF sensor
97 Mazda MX5
MS3 2002 vvt motor
.60 trim T4 Turbo at 15 PSI