MS2-Extra
Twin Trigger Manual
(e.g. Bike Setups)
Only for use with the MS2-Extra code (HC9S12C64 based microprocessor - MS2 Daughter Board)
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MS2-Extra
Twin Trigger Manual Only for use with the MS2-Extra code (HC9S12C64 based microprocessor - MS2 Daughter Board) |
NOTE: Please ensure you have one of these daughter boards inside your ECU before continuing. If you have a black microprocessor, then you have an MS1 and these manuals are NOT for MS1 see here for MS1-Extra Manuals
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Warning
for E-Bay buyers!!
Please see the Official Suppliers list before buying through E-Bay. This is there for your protection. |
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Please Note: All of these instructions / diagrams are to be used at your own risk, like most things there is more than one way to do the same thing, what we have tried to do is to offer a method that we have tested or that others have tested for us. No warranty expressed or implied. Use at your own risk. |
Main Index of MS2-Extra Manuals
Layout of Components -- Suggested Supply points -- List of common components and part numbers
Twin trigger e.g. bike crank trigger
Caution: This code needs more testing more on the bench as there appears to be sync issues after stall requiring a restart!!!
Example:
Only available in MS2/Extra 2.x codes.
Spark outputs come on D14 and D16 (wasted) see HERE for options on driving the coils.
This will normally be a VR style sensor, if not use
2 Hall Sensor Circuits. (See HERE)
V3.0 PCB's
Main Trigger Input - Connect one VR sensor to pin 24 of the MS ECU
Second VR conditioner Circuit - this needs to be built then connected to the other sensor.
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DigiKey part
numbers:
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Farnell
part numbers
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1K resistor = 1.0KQBK-ND |
1K resistor = 509-164 |
Please note: Above part numbers will need checking, some components will come with a minimum order in multiples of 5 and 10.
V2.2 PCB's
Spark outputs come on D14 and D16 (wasted) see HERE for options on driving the coils.
Main Trigger Input - Connect one VR sensor to pin 24 of the MS ECU
Second VR conditioner Circuit - this needs to be built then connected to the other sensor.
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DigiKey part
numbers:
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Farnell
part numbers
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1K resistor = 1.0KQBK-ND |
1K resistor = 509-164 |
Please note: Above part numbers will need checking, some components will come with a minimum order in multiples of 5 and 10.
You must set number of cylinders to 4 and wasted coil output.
Both odd and even fire are (should be) supported. If you enable Oddfire on the Engine Constants page you will have access to the "oddfire small angle" on the ignition page. For a 90deg V you would enter 90deg or 270deg in here depending in which way around you wired your triggers.
Suggested points for Supplies inside the V3.0 ECU
List of component part numbers used in the ignition section:
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DigiKey part
numbers:
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Farnell
part numbers
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2N2222A = 497-2598-5-ND |
2N2222A = 920-7120 |
Please note: Above part numbers will need checking, some components will come with a minimum order in multiples of 5 and 10.
If
you have a question, comment, or suggestion for this FAQ please post it on
the forum.
No part of this manual may be reproduced or changed without written permission from James Murray, Ken Culver and Philip Ringwood.