• Product Description

      EMTRON SL4

      Emtron’s SL4 is a wire in ECU with extreme flexibility. This ECU will support up to 4 Channels of fully sequential Fuel and Ignition. Every unit is housed in a durable billet Aluminium enclosure and includes 16MB permanent memory for on-board logging, 4-channel oscilloscope function, DBW control, Knock control using digital filter technology, high speed Ethernet communications and 3-axis G-force sensing to name a few.



      1.0 General

      Power Supply
      Operating Voltage: 6.0 to 22.0 Volts DC (ECU shutdowns at 24.0V)
      Operating Current: 290mA at 14.0V (excluding sensor and load currents)
      Reverse Battery Protection via External Fuse
      “Smart” battery transient protection
      Operating Temperature
      Max operating range: -30 to 110°C (-22 to 230°F)
      Recommended operating range: -30 to 85°C (-22 to 185°F)
      Aluminium 6061 grade CNC billet enclosure
      Enclosure size 120 mm x 130 mm x 27 mm
      Weight: 470g
      Connector system: 68-way Super Seal waterproof connectors with gold plated contacts
      Pin diameter: 1 mm
      Current rating: maximum 15A per pin (wire gauge dependant)
      Connector A: 34 pin Key 2 Super Seal
      Connector B: 34 pin Key 1 Super Seal
      Dual 100MHz processors
      500Mb DDR RAM (0.5Gb)
      32MB ECU logging memory. Over 1200 channels available, 1Hz to 500Hz logging rate
      Oscilloscope 4-channel function with 32MB storage
      Sampling at 100k samples/second
      Includes Crank Index and Sync sensor inputs
      Includes Digital Inputs 1-4
      On-Board barometric pressure sensor. Range 40 – 115.0 kPa
      3-Axis accelerometer. 16-Bit resolution, +2g/+4g/+8g dynamically selectable full-scale

      2.0 Outputs

      4x Port Injector Outputs—high ohm
      70V clamping
      Outputs can be used for ground switching, 6A Continuous, 10A Limit
      All outputs are short circuit and over current protected
      No Flywheel diodes (external diode(s) required for VVT control)
      4x Ignition Outputs
      Adjustable TTL Ignition drive current (35mA or 70mA)
      Outputs can be used for ground switching, 1A Continuous, 3A Limit
      All outputs are short circuit and over current protected
      No Flywheel diodes (external diode(s) required for VVT control)
      10x Auxiliary Outputs
      Variable Valve Timing (VVT) and Variable Valve Timing Electric (VTiE), Drive by Wire (DBW), dual boost control, gearshift solenoids, stepper motor and many more.
      All outputs have PWM control, maximum frequency = 15 kHz
      Flywheel diodes integrated into all outputs
      All outputs are short circuit and over current protected.
      Low Side Driver Auxiliary 1-4: 4A continuous, 6A peak modulated, 8A limit
      Low Side Driver Auxiliary 5-8: 2.5A continuous, 4A peak modulated, 5A limit
      High Side Driver Auxiliary 1-8: High Side 4A continuous, 9A limit
      Half Bridge Driver Auxiliary 9-10: 5A continuous and 8A limit. Can be used as Low Side, High Side or together in H-bridge configuration for DC motor control (DBW)
      1x EFI Relay Output
      Low Side Driver for relay control. Current limited to 200mA
      1x Shield Output
      Connection for Trigger and Knock shielded cables. Short to battery protection

      3.0 Inputs

      10x Analog Voltage/Temperature Inputs
      Fully configurable including custom calibrations
      Switchable 1k ohm pull-up resistors on ANV 7-10
      Accepts a 0.0 – 5.0V analog input. Resolution is 1.22mV (12-Bit)
      6x Digital/Speed Inputs/Switched Inputs
      Frequency range from 0.0Hz up the 30.0kHz on all 6 channels
      Magnetic and Hall effect sensor compatible on DI 1-4 with programable trigger edge(s)
      Hall effect sensor only on DI 5-6 with programable trigger edge(s)
      Independent programable frequency-based arming threshold control, range 0.0 – 12.0V on DI 1-4
      Fixed frequency-based arming thresholds on DI 5-6. Rising = 1.2V, Falling = 1.0V.
      Wheel speed, output shaft speed and other frequency-based signals
      VVT position(s) up to 4 channels available on DI 1- 4.
      ON/OFF switched inputs: AC request, Launch enable, cruise switch, table control switching etc with arming threshold control, range 0.0 -20.0V
      Accepts a 0.0 – 20.0V analog input. Resolution is 4.88mV (10-Bit)
      Switchable 4k7 ohm pull-up resistors on all 6 channels to 10V
      2x Knock Inputs with configurable Frequency and Gain.
      Using Bosch digital knock integrated circuit technology
      Selectable center frequency from 500Hz – 25kHz
      Selectable bandwidth from 100Hz – 5kHz
      Selectable digital filter window; Hamming or Blackman
      1x Dedicated Ignition Switch Input
      0 – 20.0V input used for EFI Relay Control. (With input > 4V the EFI Relay output (D9) will switch ON)
      2x Crank Index and Sync Engine Decoding Inputs
      Magnetic and Hall effect sensor compatible with programable trigger edge(s)
      “True” zero crossing detection on magnetic signals for precise engine position decoding.
      Programmable independent arming threshold control from 0.1V to 12.0V
      Switchable 4k7 ohm pull-up resistor to 5V
      OEM patterns supported

      4.0 Voltage and Ground Supplies

      1x ECU Supply Input
      15.0A Max (pin limited)
      6V – 22.0V Range
      Supplies ECU power
      Supplies power to Auxiliary 1-8 High Side Drivers
      1x Auxiliary 9-10 Supply Input
      15.0A Max (pin limited)
      Power supply for Auxiliary channels 9 -10.
      1x 5.0V Sensor Supply
      5.0V Vref1 output current 250mA
      1x 8.0V Sensor Supply
      Output current 400mA
      2x ECU Main Grounds
      15.0A per pin, total 30A
      1x Sensor 0V Reference
      Analog Sensor 0V Reference with short to battery protection

      5.0 Communications

      1x high speed Ethernet 100Mbps
      1x CAN 2.0B 1Mbps/ 6 Channels per node, total 64 messages

      6.0 Software

      Emtron’s comprehensive Emtune tuning software is used to connect to the ECU.

      Microsoft Windows 7 -10 compatible
      Free licence
      Memory requirements: 0.5GB RAM
      ECU connection using Ethernet, IPV4 protocol
      Tuning and data analysis
      PC and ECU data logging
      Live pause and data playback
      Advanced tuning functions
      Oscilloscope display


      Weight .64 kg
      Dimensions 18 × 18 × 6 cm
  • Reviews

  • Product Details

    • SKU: STP-1912-042
    • In Stock: 10
    • Weight: 0.64 kg
    • Product Type: Computer
    • Brand: Emtron

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