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Syvecs X20-E8XX, Manual

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Output Connections 

Low Side Outputs 

The low side outputs are only able to be driven to ground but offer full pulse width modulation 
control. The outputs can be used to drive up to 12A Peak / 6A Continuous and can only pull to ground. 

Pin Schedule 

Pin Number 

Function 

MoTeC Assignment 

A27 

PWM1 

PWM1 

A28 

PWM2 

PWM2 

A29 

PWM3 

PWM3 

A30 

PWM4 

PWM4 

A31 

PWM5 

PWM5 

A32 

PWM6 

PWM6 

B28 

PWM7 

PWM7 

B29 

PWM8 

PWM8 

 

Sensor Supply and Grounds 

Sensor/ Analogue Grounds (AN Grounds) 

Sensors and miscellaneous analogue inputs have their own Ground pins; these grounds must be kept 
separate from the Power grounds shown in the first section.  As there are 2 sensor ground pins you 
may have to connect multiple grounds to some of the pins if you have more than two sensors. 

Pin Schedule 

Pin Number 

Function 

Notes 

A25 

ANGND1 

 

B18 

ANGND2 

 

 

5V Regulated Supply 

Sensors and miscellaneous analogue inputs have their own power pins which need a stable power 
supply, the 5v Regulated outputs are protected and provide a stable/clean 5v which can handle 
500ma Maximum. 

Pin Schedule 

 

 

 

 

 

 

Pin Number 

Function 

Notes 

A17 

5VOUT1 

 

B10 

5VOUT2 

 

Summary of Contents for X20-E8XX

Page 1: ... should be carried out by competent persons only Syvecs and the author accept no liability for any damage caused by the incorrect installation or configuration of the equipment Please Note that due to frequent firmware changes certain windows might not be the same as the manual illustrates If so please contact the Syvecs Tech Team for Assistance Support Syvecs com ...

Page 2: ...rounds 6 Sensor Analogue Grounds AN Grounds 6 Pin Schedule 6 5V Regulated Supply 6 Pin Schedule 6 Input Connections 7 Digital Inputs 7 Voltage Inputs AV Inputs 7 Sensor Schematics Examples 8 Manifold Pressure Sensor MAP 8 Example Schematic 8 Pin Schedule 8 Coolant Temperature Sensor CTS 8 Example Schematic 8 Pin Schedule 8 Inlet Air Temperature Sensor IAT 9 Example Schematic 9 Pin Schedule 9 Calib...

Page 3: ...re not supported in the protocol The following is supported with X20 MoTeC communication Digital inputs 1 4 Analog Input Voltages 1 16 Output 1 8 Control LTC Lambda 1 and Lambda 2 Output driver faults Internal temperature Internal voltages 5v 8vAux 5vAux Vbat 4 5v Specification Outputs 8 PWM Outputs Inputs 16 ADC Voltage Inputs 4 Digital Inputs 2 NTK Lambda Inputs Interfaces USB For Updates and Co...

Page 4: ... Input Frequency A13 DIG4 Digital Input Frequency A14 AV2 0 5V Input Only Pull Up Optional A15 AV4 0 5V Input Only A16 AV6 0 5V Input Only A17 5VOUT 5v Output for Sensors N C N C N C A19 CAN0L Can 0 Low A20 CAN0H Can 0 High A21 NTK1 ION NTK1 Ion Pump White Wire A22 NTK2 ION NTK2 Ion Pump White Wire N C N C N C N C N C N C A25 0V LamGnd Sensor Ground Connection NTK Ground Black Wire N C N C N C A27...

Page 5: ...Input Only Pull Up Optional B14 AV10 0 5V Input Only Pull Up Optional B15 AV12 0 5V Input Only Pull Up Optional N C N C N C N C N C N C B18 0V LamGnd Sensor Ground Connection NTK Ground Black Wire B19 NTK NRNST 1 NTK1 NRST Voltage Grey Wire Can 3 Low B20 NTK NRNST 2 NTK2 NRST Voltage Grey Wire Can 3 High B21 CAN1L Can 1 Low B22 CAN1H Can 1 High N C N C N C N C N C N C N C N C N C B26 GROUND Ground...

Page 6: ...itched power to additional loads through the loom Pin A2 Ignition Sw is for a 12v low current ignition switch supply to enable the power gate on the X20 internally this is required on all installations Power Grounds are joined internally and the X20 must have at least A33 and B26 connected If driving lots of Low Side outputs then connect A34 and B27 also to handle the current loading NOTE Power Gr...

Page 7: ...ds AN Grounds Sensors and miscellaneous analogue inputs have their own Ground pins these grounds must be kept separate from the Power grounds shown in the first section As there are 2 sensor ground pins you may have to connect multiple grounds to some of the pins if you have more than two sensors Pin Schedule Pin Number Function Notes A25 ANGND1 B18 ANGND2 5V Regulated Supply Sensors and miscellan...

Page 8: ...ll up Voltage Inputs AV Inputs These Inputs are able to sense a Voltage level but not offer Frequency detection some of these inputs support a 3k Pull up option which is turned on via a USB connection explained on page 14 Example of sensors which normally use on these Inputs are Manifold Pressure sensors Throttle Positions Oil Pressures Thermistor requires 3k pull to be enabled Voltage Inputs are ...

Page 9: ...r Function Notes A25 ANGND1 May be shared with multiple sensors A17 5VOUT1 Regulated sensor power supply B12 AV16 Input Any Input can be used Coolant Temperature Sensor CTS Example Schematic Pin Schedule Pin Number Function Notes A25 ANGND1 May be shared with multiple sensors A5 AV1 Needs Pull up ...

Page 10: ...le Pin Number Function Notes A25 ANGND1 May be shared with multiple sensors B5 AV7 Needs external pull up Calibration Switches Example Schematic Pin Schedule Pin Number Function Notes A25 ANGND1 May be shared with multiple sensors B14 AV10 Needs external pull up ...

Page 11: ...eband Lambda Sensors The Syvecs X20 has the ability to drive two NTK L1H1 L2H2 Wideband Lambda sensors without the use of external hardware Please see wiring and fitting information below Example Schematic ...

Page 12: ...p to suit a L2H2 NTK The NTK L2h2 lambda sensors like to have around 10 7v across the heater circuit and this is setup as default to be targeted The LamHTR outputs will then adjust the duty automatically through the heater based on the voltage supply level to the X20 on HVbat1 and HVbat2 HVbat1 is used for calculating Lam1Htr voltage and HVbat2 is used for calculating Lam2Htr voltage If using dual...

Page 13: ...2 Blue Heater Drive B30 LamHTR1 6 Grey Nernst Cell Voltage B19 7 White Ion Pump Current A21 8 Black Signal Ground A25 or B18 Lambda Pin Number Colour Name X20 Pin 1 Yellow Heater VBAT2 or 12V Switched 2 Blue Heater Drive B31 LamHTR2 6 Grey Nernst Cell Voltage B20 7 White Ion Pump Current A22 8 Black Signal Ground A25 or B18 ...

Page 14: ... X20 as default has 2 x CAN bus interfaces CAN0 is used for expander communications with the MoTeC Ecu 1MB CAN1 is available for generic use but can be used also for bridging the custom can data from CAN0 to external dashboards Example Schematics Pin Number Function Notes A19 CAN0 LOW Ensure wires are twisted pair A20 CAN0 HIGH Ensure wires are twisted pair B21 CAN1 LOW Ensure wires are twisted pa...

Page 15: ...t to communicate with MoTeC engine control units via the E8XX CAN protocol and the LTC CAN Protocol Calibrators need to set the Exhaust Lambda Cylinder 1 2 LTC Index to Frame 0x460 Calibrators need to set the E8XX Can ID Base to 0xF0 ...

Page 16: ...ors who wish to enable an Input to work in SENT decoding or setup custom CAN transmit will need to connect live to the X20 A USB C port is found at the back of the X20 which is IP67 sealed Use a USB C to USB A male male cable to connect the X20 to the computer The S Suite software can be downloaded from below https www syvecs com software After running the SSuite installer open the program called ...

Page 17: ...ard the X20 are listed on the right hand side Calibrators now have the ability to change the Input setup for each AN Input setup custom DataStream CAN options or use the output testing see page 18 Press F1 for help on a map and remember that Green Maps Live Adjustable Blue Maps Require programming to set ...

Page 18: ...ps Live Adjustable Blue Maps Require programming to set Set a frequency you wish the outputs to be driven at in H Bridge Output Frequency and Low Side Output Frequency Next set the H Bridge Output Mode and Device program the X20 Output Test Mode Enable can then be enabled Now you can then set a duty for each output to be driven in H Bridge Output Test Duty and Low Side Output Test Duty These maps ...

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