Haltech F9A User Manual
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• Throttle Position Sensor
10
k
Ω
rotary potentiometer driven from throttle shaft
• Engine Speed Pickup
Compatible with most trigger systems:
- 5 or 12 volt square wave;
- pull-to-ground (open collector)
Tach adaptor available for magnetic (or ‘reluctor’) triggers
ECU Outputs
• Injector Driver
4 x 4/1Amp peak-and-hold current limiting drivers:
- up to four low-impedance injectors*
- up to eight high-impedance injectors*
(Expandable using optional Driver Box. See Appendix C)
• Fuel Pump Control
20A fused relay, features automatic priming and switch-off.
* additional hardware may be required
System Programming Requirements
• Computer
IBM-PC or compatible, preferably laptop or notebooks
CGA, EGA or VGA, colour or monochrome display
640+ kb RAM
• Disk Drive
3.5" Floppy Disk Drive
(5.25" disk available on request)
• Serial Port
Standard RS232C port - 9 pin D connector
(25 pin cable available on request)
COM1 or COM2 (selectable)
Adjustable Features
• Base Fuel Map
22 Fuel ranges, every 500 RPM to 10,500, or
17 Fuel ranges, every 1000 rpm to 16,000
32 Load points per range, up to 16mS with 0.016mS resolution
• Correction Maps
• Fuel
Cold Start Prime - 32 points