Description
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 32MB 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.
8x 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)
8x 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 (Output will switch ON when Ignition Switch Input (B4) is greater than 4V)
1x Shield Output
- Connection for Trigger and Knock shielded cables. Short to battery protection
10x Analog Voltage/Temperature Inputs
- Fully configurable including custom calibrations
- Switchable 1k ohm pull-up resistors on ANV 7-10 for temperature inputs (available on 4 channels)
- Accepts a 0.0 – 5.0V analog input. Resolution is 1.22mV (12-Bit)
8x Digital/Speed Inputs/Switched Inputs
- Frequency range from 0.0Hz up the 30.0kHz on all 8 channels
- Magnetic and Hall effect sensor compatible on DI 1-4 with programable trigger edge(s)
- Hall effect sensor only on DI 5-8 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 5-8. 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 8 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
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