Note the plugin ECUs have Ignition 2 wired to the rear rotor and Ignition 3 wired to the front rotor and so they require a trigger offset of ~180.
Refer here for more Rotary Ignition mode information
Wiring Information > Output Wiring > Ignition Drives > Specific Ignition Applications > Mazda 13B Ignition Wiring
Note the plugin ECUs have Ignition 2 wired to the rear rotor and Ignition 3 wired to the front rotor and so they require a trigger offset of ~180.
Refer here for more Rotary Ignition mode information