Motor cable (plug/socket)

ST5 2021 ABS | ST5 2018
ST3 2022 Pinion | ST3 2018
ST2 2020 Belt
ST1 2021 LCI | ST1 2019

From 2019 onwards, new wiring was used. An „all-in-one“ Higo connector is used. Type HG-F.M-L1019A, which unites all connections from and to the engine.

Shown here is the cable socket Higo Panel Mount L1019AM 03 DQ 300 on the left chain stay.

ST1 / V1

Stromer used various motors from different manufacturers in the course of model development. Accordingly, different connection configurations were also used.

Pin assignments

1. Display (Source)
   The display communicates with the motor controller via a serial interface. The wire color refers to the original wiring harness extending upwards from the controller. Pin assignment on the display side:
   
   • Pin 1 (Pink) Display) or. Black on the PCB: Ground (Mass)
   • Pin 2 (Yellow): Texas (UART send data from controller to display).
     If interrupted NO_COM / ICURR
   • Pin 3 (Blue): Power in (Battery voltage / Vbatt, approx. 36V–42V)
     If interrupted NO_BATT
   • Pin 4 (White): POW_OUT Switched Plus - Input from the display; signals to the controller that the display is switched on/unlocked
   • Pin 5 (Green): Prescription (UART reception data from display to controller).
     If interrupted NO_COM / ICURR
2. TMM sensor
   Der TMM-Sensor im linken Ausfallende misst die Kettenzugkraft und liefert ein analoges Signal an den Controller. Misst man den Widerstand Richtung Controller gegeneinander, liegen die Werte meist bei ca. 2 bis 3 Ohm.
   
   • Red +5V Supply voltage for the Hall sensor in the TMM sensor
   • Brown Ground (Mass)
   • Orange Signal (Analog output signal from the TMM sensor to the controller, usually a voltage value between 0.5V and 2.0V, depending on the pedal pressure)
3. Battery (+/− 36 V & SoC)
   
   • Rot (+ 36 V)
   • Black (-36 V)
   • Yellow (SoC = State of Charge = Battery charge level)
4. Controller programming port
   Auf der Platine des TDCM/ASI-Controllers existiert eine zusätzliche Schnittstelle die als Kabel mit einem JST-Stecker aus dem Motor geführt wird. Dieser Stecker wird genutzt, um den Infineon-Prozessor in den Bootloader-/Flash-Modus zu versetzen (z. B. für Firmware-Updates via Infineon Memtool).
   
   • MBC (Monitor Board Communication / Boot): This is the data or programming line (often coupled with the reset/boot pin of the microcontroller).
   • GND The associated signal ground.
     
     ⚠️ Important information about flashing: If the two pinsMBC and Groundwith each other short-circuited werden und danach das System eingeschaltet wird, erzwingt dies den Flash-Modus des Prozessors. Für die eigentliche Datenübertragung beim Programmieren wird dann die serielle Schnittstelle des Displays (Grün/Gelb/Schwarz) an einen USB-zu-RS232-TTL-Konverter angeschlossen, üblicherweise mit einer Baudrate von 57600.

ST2 before 2018

For the sensor cables, a connector from HT-F-M Mini C Used mutually.

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