Air Fuel Ratio Controller AF1200 pages
AFl 20 Ah/Fuel RaHo Control
The AF120 control module can be used within a variety of control systems. In the carburettor bypass
configuration the Gill AFl 20 fuel valve can be utilised. Alternatively the module can be used to control
fuel pressure regulator systems and systems requiring turbo waste gate control. The AFl 20 fuel valve
has been specifically designed to operate with the AFl20 control module for medium sized engines
where a fuel bypass system can be utilised. Using
a stepper motor with over two hundred steps
provides absolute precision around the set
point.
■(+y KeY Features
Outputs to stepper or current controlled bypass valves
Fast start up due to heating of UEGO sensor
Programmable via easy to use Windows based GUI
Controls Lambda value to set-point by means of
proportional, integral control loop
Programmable valve start position and offset
Programmable load map
The 4-20 mA output can drive pneumatic control valves
on engines fitted with turbo waste gate.
SERIAL No. LABEL
ALTERNATIVE MOUNTING
HOLES TO ACCEPT LONG
M6 OR W BOLTS
PART No LABEL
VISIBLE STATUS INDICATORS
NOTE:
MOUNTING SLOTS S 5 WIDE ALLOW A MINIMUM OF B0MM FOR PLUGGING
TO ACCEPT M6 OR 1I4M BOLTS AND UNPLUGGING MATING CONNECTOR
AMPECONOSEAL
36 WAY CONNECTOR
■^+y Specification
AFl 20 Air/Fuel Ratio Control Module | ||||
Inputs | Throttle position or MAP sensor for load mapping Wideband UEGO sensor for exhaust oxygen measurements Additional sensor inputs for more rigorous applications | Certification | CSA® Certified Class 1, Div. 2, Groups C and D when installed in the EH 12 shielded enclosure | |
Outputs | AFl 20 fuel valve, or4 - 20 mA controlled valve. | Environmental | -40 ° C to + 90 ° C, Sealed to IP67 | |
Communications | RS232 for programming via Windows® based GUI | Supply Voltage | 12 - 24VDC |
ISO 9001
Engine Controls
Copyright © Gill Instruments 2009
Reg No. 3154453 Registered Office: The George Business Centre,
Christchurch Road, New Milton, BH25 6QJ
PB000805
Gill Instruments Ltd
Saltmarsh Park, 67 Gosport Street, Lymington, Hampshire, S041 9EG, UK
T: +44 (0) 1590 613 500 F: +44 (0) 1590 613 501 E: anem@gill.co.uk www.gill.co.uk
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