====== 3.1 Technical Specifications ======

===== Transceiver =====

  * Dual IO-Link Master Transceiver Analog Devices MAX14816 with Integrated Framers and L+ Supply Controllers
  * SPI-Mode only (RX/TX not used)

===== Mechanical =====

**Dimensions**

  * 65,5 × 66 mm
  * Height: 18 mm with stack-through

**Mounting**

  * 4×2,5 mm Screwholes (Compatible with Raspberry Pi mounting holes)

**Temperature range**

  * -25 °- 60 °C
  * Non-condensing humidity

===== Connections =====

**Voltage supply**

  * 24V DC (+/-20 %), Current consumption max. 1800mA
  * 3V3 DC (+/-5%) from Raspberry Pi < 50mA, over 40-Pin GPIO or generic interface (for IO-Link-Driver-IC logic and LEDs)

**Voltage provision**
  * 5V DC (4,8V...5,2V, depending on the load) to Raspberry Pi over 40-pin GPIO, 1800mA constant current.

**2 IOL-Ports**

  * Screw plug-in terminal 3,5mm
  * Class A (max. 500mA per port)
  * Speeds COM1, COM2, COM3 (auto-detect via software)
  * Operating mode: IOL, DI/DO
  * 1 LED per port (red/green, user controllable)

**40 Pin GPIO Connector** (stack-through)

  * SPI 1 (MISO, MOSI, CLK)
  * Port 1/2: SPI_CE0, GPIO24 (interrupt)
  * Port 3/4: SPI_CE1, GPIO25 (interrupt)
  * IOL enable, GPIO23
  * 3V3/GND
  * 5V power supply (optional)



===== LEDs =====

  * Status per port (red/green), controlled via software
  * Power good LED (from internal 5V power supply)