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F/A1000

& F/A1500

Fuel-Air Ratio Monitor

Instruction Manual

02/06 Part Number 1001A-6

™

Содержание F/A1000

Страница 1: ...F A1000 F A1500 Fuel Air Ratio Monitor Instruction Manual 02 06 Part Number 1001A 6...

Страница 2: ...al may be photocopied or reproduced in any form without prior written consent from ECM ENGINE CONTROL AND MONITORING Information and specifications subject to change without notice F A1000 and F A1500...

Страница 3: ...put 4 SMB Interface Serial Measurement Bus F A1500 Only 5 Simulated O2 Sensor EGO Output 7 Calibration 8 Fuel Type Compensation 8 Pressure Compensation 8 Specifications and Limits 10 Measurement Range...

Страница 4: ...ii Supplementary Information 15...

Страница 5: ...cquisition or engine control systems SMB Serial Measurement Bus Interface on F A1500 Simulated O2 sensor output 11 to 28 VDC operation2 F A Monitor Components List The following items are included wit...

Страница 6: ...cause permanent sensor damage 4 Do not put the UEGO sensor in a heavily sooting or oil burning engine 5 Use of the UEGO sensor with leaded fuels over time may reduce the sensitivity of the sensor 6 D...

Страница 7: ...eads Install the UEGO sensor by lightly coating its threads with a non lead containing antiseize compound and tighten it to 30 3 ft lbf 40 4 Nm Attach the sensor to the wiring harness and route the ha...

Страница 8: ...e sure that all condensed water is out of the tailpipe before the tailpipe probe is inserted into the exhaust Analog Output The F A Monitor has a 0V to 5V linearized output suitable for input into a d...

Страница 9: ...the two SMB connectors on the F A1500 Cable part number 1500A 16 connects the PC to the SMB PC port of any one of the F A1500 modules i e it does not have to be the module with address 0 and subsequen...

Страница 10: ...Byte 10 Dh 16 bit Ip Low Byte Eh N A F A1500 Status Code See table below Fh N A PWR Green LED ERR Red LED FLASH CODE STATUS CODE CONDITION ON OFF 0 Data valid Sensor OK OFF 1 1 Sensor not connected or...

Страница 11: ...n to 1V rich signal that switches at Lambda 1 0 This is the same switch point as the production O2 sensor The simulated O2 sensor output is available at the short black wire near the blue connector of...

Страница 12: ...o of 1 85 and an O C ratio of zero If a fuel of a different composition is used Equation 2 can be used to compensate i e correct the F A Monitor s output F Acorr m 16p 12 2 368 x m 2p 4 x F Ameas Equa...

Страница 13: ...measured B x P 1 B x P Equation 3b where Lambda corrected the Lambda corrected for exhaust pressure Lambda measured the Lambda output by the F A B 0 000627 for Lambda 1 0 rich B 0 000830 for Lambda 1...

Страница 14: ...size is identical to that of most O2 sensors used in production vehicles Output Specifications and Limits Analog Output 0V at 0 125 F A gasoline 5V at 0 055 F A gasoline F A 0 014 x Vout 0 125 Output...

Страница 15: ...erminal Assignments F A1500 Only Cable from PC to SMB PC Port on F A1500 Module 6ft P N 1500A 16 DB9 Female to PC Terminal Number DB9 Male to Module Terminal Number 2 Rx 1 3 Tx 2 5 Gnd 6 SMB PC Cable...

Страница 16: ...e unit is being confused by noisy power or operating in an electrically noisy environment In some situations a timing light might create a noise problem Keeping the control module and its wiring harne...

Страница 17: ...unning engine When installing the F A Monitor s cabling and sensor on a stopped engine it is best to think out your moves before you make them Route and cable tie all cables away from hot moving sharp...

Страница 18: ...express implied or arising by operation of law trade usage or course of dealing are hereby disclaimed The warranty is void if the control module is opened or the wiring harness is modified LIMITATION...

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Страница 23: ...19 State Diagram for SMB Communication...

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Страница 26: ...Los Altos CA 94023 0040 USA 408 734 3433 Fax 408 734 3432 www ecm co com...