BB3 chassis technical specification

  • STM32F769 32-bit ARM Cortex®-M7 MCU, 216 MHz, 2 MiB Flash, 512 KiB SRAM
  • Digital I/O: 2 x buffered inputs and 2 x buffered outputs (alternative functions: UART, PWM out)
  • Rotary encoder with switch
  • 1 x user switch
  • 3 x dedicated SPI channels (2 x Chip selects per channel), 40-pin IDC connector (DIB v1.0)
  • Battery backup (CR2032 button cell type)
  • USB FS OTG
  • Ethernet PHY (10/100 Mbit/s)
  • 32 KiB I2C system EEPROM
  • 8 MiB SDRAM
  • 8 GiB Micro SD card
  • 4.3” TFT color resistive touchscreen display with brightness control
  • SWG/JTAG connector (optional)
  • Small on-board speaker
  • Four power relays for various power outputs coupling
  • Full range autoswitch AC input (115 / 230 Vac)
  • AC Soft-start (In-rush current limitation) and stand-by
  • AC IEC C14 inlet with two 20 x 5 mm fuse
  • AC power switch
  • AC power input protection and EMI filter
  • Standby LED indicator
  • Ø80 mm DC cooling fan with speed control
  • Kensington lock slot™
  • Compact size: 290 (W) x 123 (H) x 240 (D) mm
  • Weight (populated with 2 x DCP405 and 1 x DCM224): 4.05 kg
  • Remotely controlled by 400+ SCPI commands using the EEZ Studio of similar SCPI controllers, MQTT, Node-RED, etc.
  • EMC compliance (not applicable to kit version): EN61326-1:2013, EN IEC 61000-3-2:2019, EN 61000-3-3:2013+A1:2019
  • LVD compliance (not applicable to kit version): EN 61010-1:2010, EN 62311:2008