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MS2V3.0 Hardware Guide Output Resistor CPU pin Spark A Top of R26 7 Spark B Top of R29 8 Spark C Top of R27 9 Spark D JS11 18 Spark E JS5 29 Spark F JS4 30 5.3.1 Building ignition outputs 5.3.1.1 High current output (one) This provides a single high-current ignition output suitable for directly driving one inductive coil.
Internally, the follow is required: - BIP373 (marked as 30115) needs to be installed in Q16 with a mica insulator. - Jumper IGBTOUT-IGN. - Connect a 330R 1/4W resistor between IGBTin and the top of R26. - Ensure R57 is absent. - Ensure R43 is fitted or jumpered. Typical settings Spark Output = Going High Dwell Type = Standard Dwell Dwell ~ 3ms for a standard coil 5.3.1.2 High current output (additional) Additional BIP373 drivers can be installed inside the Megasquirt case. The simplest way is to buy a second The high current ignition outputs can be routed through a spare pin on the DB37 connector or through and (c) 2014-5 James Murray 2015-07-09 Page 76/201 Megasquirt IGN Fused +12V (With BIP373 wired | |||