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State Diagram for SMB Communication

Содержание afm1000

Страница 1: ...AFM1000 AFM1500 Air Fuel Ratio Combustion Monitor Extended Range 6 20 AFR Version Instruction Manual 02 06 Part Number 1000A 6b...

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 AFM1000 and AFM1500...

Страница 3: ...Warm up 5 Analog Output 5 SMB Interface Serial Measurement Bus AFM1500 Only 6 Calibration 8 Fuel Type Compensation 9 Pressure Compensation 9 Specifications and Limits 11 Measurement Range and Accuracy...

Страница 4: ...Supplementary Information 17 ii...

Страница 5: ...libration in air 0 to 5 volt linearized output for use with data acquisition or engine control systems SMB Serial Measurement Bus Interface on AFM1500 11 to 28 VDC operation2 AFM1000 AFM1500 Component...

Страница 6: ...iring Harness 20 or 1002A 3a1 Wiring Harness 10 or 1002A 3b1 Wiring Harness 3 1002A 3c1 4 SMB PC Cable 6 AFM1500 1500A 16 5 SMB PWR Cable 1 AFM1500 1500A 17 6 Calibration Screwdriver 2400E 35 7 Sensor...

Страница 7: ...ause 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 Do...

Страница 8: ...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 harness to the control...

Страница 9: ...t of the tailpipe before the tailpipe probe is inserted into the exhaust Analog Output The AFM has a 0V to 5V linearized output suitable for input into a data acquisition or engine control system The...

Страница 10: ...tween the two SMB connectors on the AFM1500 Cable part number 1500A 16 connects the PC to the SMB PC port of any one of the AFM1500 modules i e it does not have to be the module with address 0 and sub...

Страница 11: ...High Byte 6 0 to 20 0 AFR High Byte 256 Low Byte 100 9h 16 bit AFR Low Byte Ah 16 bit FAR High Byte 0 050 to 0 167 FAR High Byte 256 Low Byte 10000 Bh 16 bit FAR Low Byte Ch 16 bit Ip High Byte 3277 t...

Страница 12: ...l identify the module as an ETAS LA3 to INCA software Calibration Calibration of the AFM and the UEGO sensor can be easily performed using air To bring the system into calibration put the sensor in ai...

Страница 13: ...the fuel of H C m and O C p composition AFRmeas is the AFR output by the AFM i e 6 0 to 20 0 AFR m 2p 4 Pressure Compensation All wide range exhaust sensors have a pressure sensitivity Errors occur wh...

Страница 14: ...d 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 AFM B 0 000627 for Lambda 1 0 rich B 0 000830 for Lambda 1 0 lean...

Страница 15: ...Thread Size M18X1 5mm Lightly coat with non lead containing antiseize compound Hex Size 22mm Tightening Torque 30 3 ft lbf 40 4 Nm The UEGO sensor s thread size is identical to that of most O2 sensors...

Страница 16: ...minal Assignments AFM1500 Only Cable from PC to SMB PC Port on AFM1500 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 Te...

Страница 17: ...ng 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 harness away from...

Страница 18: ...a running engine When installing the AFM 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 high...

Страница 19: ...ress 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 OF...

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Страница 25: ...State Diagram for SMB Communication 21...

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Страница 28: ...Los Altos CA 94023 0040 USA 408 734 3433 Fax 408 734 3432 www ecm co com...