Introduction
5
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2
Choosing a Configuration
As all G4 inputs/outputs are configurable, the required connections will be highly dependent
on the application. Read this section carefully to ensure the correct functions are chosen.
The first step in installing a G4 ECU is to decide what function each of the configurable
inputs and outputs will provide.
The G4 ECU's have the following input / output pins:
IO
Storm
Xtreme
Injection Drives
4 x Saturated
8 x Peak & Hold
Ignition Drives
4
8
Auxiliary Outputs
8
10
Digital Inputs
3 or 4*
10
Analogue Voltage Inputs
3/4* + Internal MAP
11
Temperature Inputs
2
4
Knock Sensor Inputs
0
2
Regulated Outputs
+8V & +5V
+8V & +5V
Trigger Inputs
2
2
* Storm shares one header pin for DI4 and An Volt 2
2.1
Injector Outputs
The Xtreme has eight independent current controlled (Peak and Hold) injector drives
allowing sequential, sequential staged, group and group staged fuel injection. These
injection drives are designed to be used with low or high impedance injectors without the use
of ballast resisters. Unused Injection channels can be used for additional auxiliary outputs.
The Storm has four independent saturated injector drives allowing sequential, group and
group staged fuel injection. These injection drives are designed to be used with high
impedance injectors. Injector ballast resistors must be wired if low impedance injectors are
to be used. Unused Injection channels can be used for additional auxiliary outputs.
G4 Injection Specifications:
·
Max Peak Current = 10 A
·
Max Hold Current = 3 A
·
Max Saturated Injection or Auxiliary Output Current = 5 A
·
Open Collector (not fly-wheeled) in auxiliary output mode.