LETRIPP II XMS4A DIY MANUAL V2.1
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3
PE
RFECT POWER XMS4A – Engine Management System DIY MANUAL V2.1
5.
TECHNICAL DETAILS
The following features are that of an XMS4A.
5.1
FUEL INJECTION
•
3-Ampere injector drives : 2,
4
•
Injection
: Batch,
Sequential
•
Injector
trimming
: Yes
•
Main map sites
:
384
•
Manifold pressure map sites
:
24
•
Engine temperature map sites :
24
•
Air Temperature map sites
:
24
•
Max duty cycle
:
100%
•
Peak and Hold
:
No
•
Injection length resolution : 0.01Ms
Total injection length is calculated as follows:
+
Main map entry
+
Air
temperature
entry
+
Engine
temperature
entry
+
Acceleration
enrichment
+
AFR Short term loop adjustment
+
AFR
Long
term
trim
+
Manifold
pressure
entry
+
Fuel
range
Other fuel components:
+
Priming
+
Idle control
+
Set point control Soft/Hard fuel cut
5.2
IGNITION
Cylinders
: 2,
3,
4,
6,
8
Ignition : Sequential: 2, 3, 4 Cylinders
Ignition outputs
:
2, 4, 8
Direct drive
:
NO
Output
polarity : Positive
Main map sites
:
384
Manifold pressure map sites
:
24
Engine temperature map sites
:
24
Air temperature map sites
:
24
Dwell length map sites
:
24
Total ignition angle is calculated as follows:
+- Main map entry
+-
Manifold
pressure
+-
Engine
temperature
entry
+-
Air
temperature
entry
Other ignition components:
Launch control retard
Dwell