7.8 Advanced Engine 7 ADDITIONAL ITEMS: BEYOND BASIC FUEL AND IGNITION CONTROL
7.8.24.1 Loop conditions There are eight outputs called loops. These do not toggle physical outputs, but
instead represent a virtual input switch that can be used to activate other features that normally use an on/off
input, such as table switching or launch control. The loop also creates a bitfield that can be used with the AND
operation on other on/off outputs:
128 64 32 16 8 4 2 1
- - - - - Loop 3 Loop 2 Loop 1
For example, suppose you want to use an alternate fuel table when the EGT on cylinder 1 or cylinder 3 goes
over 1500 degrees. We’d first create a LOOP condition triggered by EGT:
Next, we go to the table switching menu, and set Loop 1 as the source.
7.8.25 Generic PWM outputs
The Generic PWM system allows up to six independent open-loop PWM (pulse width modulated) or on/off outputs.
The duties are programmed through an 6x6 table of rpm vs. Y-axis. For the Y-axis you can choose from MAP,
%baro, TPS, MAF load, battery voltage, CLT, or MAT. The output is typically used to drive a solenoid valve (PWM
mode) or relay (on/off.) PWM is a method that pulses an output on and off, the on-time percentage (duty) is
variable, this allows a valve to "float" in-between closed and open for variable flow rates.
AMP EFI MS3Pro manual version 1.202, firmware 1.5.0, 4/21/2017 Page 258
To Next Page
Loading...