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Core Module

Core module
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DESCRIPTION

The Gooee Core Module provides all of the key features required to make a device or driver Gooee enabled in a small modular package for easy integration.

The Core comes with a fully approved Gooee Bluetooth SmartMesh module, tested with options for either an integrated or external antenna.  The integrated Gooee application processor provides a range of standard electronic interfaces enabling core functions such as power switching, dimming, power monitoring and integration of the Gooee Sensor platform into devices or drivers.

Additionally, the use of standard interfaces allows for future extensions and other applications.

 

The interfaces are arranged along both sides of the Core Module. For convenience, the typical interfaces used in smart lighting applications are presented in one easy to use edge connector with a wide pitch to allow simple integration into products.  

The second side carries interfaces more commonly used for further expansion, testing and debugging and has a narrower pitch.

The Core Module can either be soldered flat onto a parent or daughter board if all interfaces are required or, if only the primary smart lighting interfaces are needed, it can be soldered vertically in a slot prepared in the base board providing a compact and easy to integrate solution.

FEATURES

  • Gooee Bluetooth SmartMesh
  • Connector for an external antenna
  • Integrated Gooee application processor
  • Standard electronic interfaces
  • Power switching, dimming, power monitoring and DALI control functions
  • Interfaces required for integration of the Gooee Sensor platform into devices or drivers
  • Enables connection to Gooee Building Operation System (BoS) platform and services
  • Communication via Gooee Bluetooth SmartMesh
  • Supports power switching via the relay interface
  • Controls interfaces for integration of either DALI or analogue dimming
    • 3 x PWM output (for multi-channel analog dimming) at 4 kHz frequency of operation providing a duty cycle between 0% and 100%. The PWM output is linear
    • 1 x DALI output (supporting legacy DALI drivers)
  • Power monitor interface (I2C to MCP39F521 or compatible device) giving real-time collection of:
    • Active power (W)
    • Apparent power (VA)
    • Frequency
    • Voltage
    • Current
  • Supports over-the-air updates
  • Integrated interface for the Gooee Sensor platform
  • Secure architecture (each Gooee Core is encrypted and carries a unique identification code)

TECHNICAL SUMMARY

Identification

Each GC2 is identified with a universally unique identification (UUID) which is pre-provisioned in the Gooee platform during manufacturing, The UUID is related to the Core ID which is included in the label.

Label Details

The label includes the Core ID which is issued when manufactured. This is a unique code used to identify the Core through its full lifetime from manufacture, pre-provisioning to integration into a product and on into the lighting installation.

TEST / RUN Interface

The core provides a test mode during manufacture to enable specific test functions within the firmware to be run.

When mounted horizontally the TEST pin on the core should be brought out to a test pad to allow the device to be run in test mode during production.

If mounted vertically provision should be made in manufacture to reach and activate the test pin unless testing is provided by other means.

Under normal operation, the TEST pin can be connected to electrical ground (best practice) or left unconnected and the core firmware will run normally bypassing test mode.

Power Supply Specifications

DC supply voltage: 3.3V nominal (minimum 1.98V – maximum 3.6V)

Environmental Conditions

Intended for indoor use only!
Ambient temperature -20°C to +85°C

DALI

A single DALI command from the controller to the driver is Manchester encoded consisting of one start bit (1), eight address bits, eight data bits and two stop bits (idle) (MSb first). Data rate = 1200bps.

GC2 uses DALI broadcast messaging to set dimming level

   0xFF: Indicates a broadcast of command type

   0xFE: Indicates a broadcast of Direct Arc Power Level type

   0xA3: This ‘special’ command is used to indicate a write to the DTR0 register (for defining fade times)

The following commands (data byte) are used after the FF address byte:

   0x2E: Sets the fade time (based on value stored in DTR0)

The following commands (data byte) are used after the FE address byte:

   0x00 (OFF) – 0xFF: 0-100% dimming, based on curve

The following fade times are set as the data byte value after the A3 address byte:

  0x00 = 0s    0x08 = 8s
  0x01 = 0.7s    0x09 = 11.3s
  0x02 = 1s    0x0A = 16s
  0x03 = 1.4s    0x0B = 22.6s
  0x04 = 2s    0x0C = 32s
  0x05 = 2.8s    0x0D = 45.2s
  0x06 = 4s    0x0E = 64s
  0x07 = 5.6s    0x0F = 90.5s

The DALI signal from the Core is logic level (0-3.3V) and has to be interfaced to the DALI bus to enable it to read from and write to the DALI Bus.