Motec PLM Manuale Utente

MoTeC PLM User’s Manual Contents Introduction ... 3 Meter Operation...

10 Meter Operation At the end of its life the sensor becomes slow to respond and does not read rich properly. The NTK and LSU are designed to be accu

MoTeC Meter Operation 11 maximum power and at light loads the engine is tuned for emissions or economy. The following table gives a guide to the req

12 PLM Setup Software PLM Setup Software The PLM Setup Software allows a PLM unit to be configured from a PC for a particular target application. A n

MoTeC PLM Setup Software 13 Standard configuration templates for most common preferences are included with the software. Managing Configurations Whe

14 PLM Setup Software select Options | Communications Port from the main menu. The PC must be connected to the powered PLM using the serial port spec

MoTeC PLM Setup Software 15 heater at a sustained voltage above 10.5 volts will reduce the sensor lifetime. Sensor Timeout: The option to ignore se

16 PLM Setup Software Display Update Rate: The update rate of the displayed value can be from 1 to 10 times per second. Filter Time: The display data

MoTeC PLM Setup Software 17 Input 2 Mode: ‘Off’ – digital input 2 is disabled ‘Active High’ – digital input 2 is active when the input voltage is hi

18 PLM Setup Software Setup | Analog Output Output Table: The Output Table Setup dialog is displayed when the Output Tables button is clicked. Note t

MoTeC Sensor Calibration 19 Sensor Calibration Introduction The NTK and Bosch lambda sensors are factory calibrated with a trimming resistor embedde

MoTeC PLM User’s Manual CAN Unit Number Display...26 RS232 Mes

20 Sensor Calibration Calculate from O2 Concentration (Free Air) This calibration method uses the known oxygen concentration of free air to calibrate

MoTeC Sensor Calibration 21 To apply the new calibration, the PLM configuration must be saved and sent to the PLM. Enter Calibration Table For advan

22 PLM Communications PLM Communications CAN Messages The PLM can transmit up to four CAN messages containing readings and diagnostics. The format o

MoTeC PLM Communications 23 For use with MoTeC equipment (ADL or M800), the selected table must be setup for Lambda with 3 decimal places. Other tab

24 PLM Communications Compound Id Message 1 = 0 Message Rate Message 1 = User defined Message 2 = Off Message 3 = Off Message 4 = Off Collect Maste

MoTeC PLM Communications 25 The base address is the address on which the collected Lambda values will be retransmitted. This address must lie on a

26 PLM Communications Messages 2 to 4 are not required and should be “OFF” on the slave units. The Collect Master message rate must be set to OFF o

MoTeC PLM Communications 27 CU1 PLM 1 Collect Master enabled U1 PLM 1 Collect Master disabled Message 1 address = xx0 U2 PLM 2 Collect Master

28 Specifications Specifications Meter Power Supply Input Voltage Range 7 to 16Volts Input current 60mA typical, backlight off 110mA typical,

MoTeC Specifications 29 Sensor Heater Outputs 1 Current Max 8 Amp Control Bosch - Digital PID NTK - Constant Voltage Voltage supply t

MoTeC PLM Setup Software 3 Introduction The MoTeC Professional Lambda Meter measures Lambda (or Air Fuel Ratio) over a wide range of mixtures with f

30 Specifications Max Positive Pin Output Voltage 4.5V (relative to Battery-) for current less than 1mA Inputs Digital 2 x User Programmable as

MoTeC Appendices 31 Appendices Appendix A – Lambda to Air Fuel Ratio Table Lambda Air Fuel Ratio Petrol Alcohol LPG Diesel 0.70 10.3 4.5

32 Appendices Appendix B – PLM Display Codes Warm-up Codes C-6 Sensor Protection Shutdown. The C-6 state is entered when the PLM can not pump enough

MoTeC Appendices 33 Appendix C – PLM CAN Diagnostic Codes These are the bit field descriptions for the diagnostic error groups that are sent to the

34 Appendices Appendix D – PLM Connector Details Sensor Connector - Male D9 1 Battery +12 Power (Note 2) 2 Heater + 3 Rc 4 Ip 5 Sensor Common 6

MoTeC Appendices 35 Note 3: Wiring See Appendix G – PLM to ADL Wiring Details for CAN wiring to an ADL See Appendix F – PLM to ECU Wiring Details fo

36 Appendices Appendix E – Sensor Wiring Details Bosch LSU 4 Sensor Wiring Details 6 IpBosch LSU 4 5 Heater +4 Heater -3 CommonBAT- N/C 2 VsHeater

MoTeC Appendices 37 Bosch LSU 4.2 Sensor Wiring Details 6 Ipr Bosch LSU 4.2 5 Common 4 Heater - 3 Heater + BAT- N/C 2 Ip Heater - 1 BAT+ B

38 Appendices NTK – UEGO Sensor

MoTeC Appendices 39 Wiring Details 3 CommonNTK UEGO 4 Ip5 Vs6 BAT- N/C7 Heater -Heater - 8 BAT+BAT-Vs Ipr PLM Heater + M2 Rc M1BAT+ M3M4M5M6M7M8M9I

4 Meter Operation Meter Operation PLM Connections Connectors The PLM has a male and a female D-9 pin connector. See Appendix D – PLM Connector Detai

40 Appendices Appendix F – PLM to ECU Wiring Details Analog Output PLM wiring using the Analog Output to M4/M48/M8/M800 ECUs: Black F8 F9 3132Red PL

MoTeC Appendices 41 Appendix G – PLM to ADL Wiring Details One or more PLMs may be connected to the MoTeC ADL via the CAN bus. See Appendix H – Gene

42 Appendices Appendix H – General CAN Bus Wiring The CAN bus should consist of a twisted pair trunk with 100R (0.25Watt) terminating resistors at ea

MoTeC Appendices 43 Appendix I – PC Comms Wiring A PC may be connected to the PLM by connecting to the 9 pin female connector as shown below. This a

44 Appendices Appendix J – Analog Output Wiring Floating Measuring Device When connected to a floating measuring device such as a multimeter, Aout– s

MoTeC Appendices 45 Note: Aout+ and Aout– must be within the within the input common mode range of the measuring device. This limits the voltage dif

46 Appendices Appendix K – Digital Input Wiring Typical wiring for switches Digital Input 1/2 PLM 0V Typical wiring for RPM measurement Digital

MoTeC Appendices 47 Appendix L – Glossary CAN – Controller Area Network. High speed serial data bus common in automotive applications Ip – Sensor pu

48 Appendices Appendix M – CAN Messages Format Messages 1 to 4 can be optionally transmitted from any PLM unit. Messages 5 to 10 are only transmitted

MoTeC Appendices 49 Message 2 Byte Name Scaling 0 Compound ID – user defined, default 1 N/A 1:2 Ipn (Normalised pump cell current) Hi:Lo * 1 = X

MoTeC Meter Operation 5 The analog output is provided as a differential voltage using two connector pins (Analog Out+ and Analog Out-). For correct

50 Appendices Message 4 Byte Name Scaling 0 Compound ID – user defined, default 3 N/A 1 Positive Analog output pin voltage Byte*1000/255–500 = x.

MoTeC Appendices 51 Message 7 Byte Name Scaling 0 Compound ID = 6 N/A 1 Reserved N/A 2:3 PLM 7 Calibrated Sensor Output Value Hi:Lo*1 = x.xx

52 Appendices Note 1 Calibrated Sensor Output Value is x.xxxLa when the PLM is setup to transmit Lambda with 3 decimal places as recommended for co

MoTeC Appendices 53 Appendix N – RS232 Message Format Master PLM Message Byte Description Value 0 Header 0 = 0x80 0x80 1 Header 1 = 0x81 0x81

54 Appendices Appendix O – Recommended CAN Collect Configuration The following configuration is recommended for connecting multiple PLM units to an

MoTeC Appendices 55 PLM 11 = Hex 46A PLM 12 = Hex 46B PLM 13 = Hex 46C PLM 14 = Hex 46D PLM 15 = Hex 46E PLM 16 = Hex 46F CAN Message 2 Message R

56 Appendices Lambda – Cyl 10 PLM 10 Reading Lambda – Cyl 11 PLM 11 Reading Lambda – Cyl 12 PLM 12 Reading Lambda 1 PLM 13 Reading Lambda 2 PLM

MoTeC Appendices 57 Appendix P – Dimensions

58 Notes

MoTeC Notes 59

6 Meter Operation Communications RS232 Interface The RS232 interface is used for configuring the PLM from a PC, and for transmitting data to third pa

MoTeC Meter Operation 7 If the PLM loses control of the sensor at any point, then the sensor warm-up process is repeated and these codes are display

8 Meter Operation Incorrect sensor placement Correct sensor placement

MoTeC Meter Operation 9 Exhaust slip joints should be avoided near sensor placement as some designs allow air to enter. Slip joints can be reversed