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3.6 Connectivity

Version 4.1 by Admin on 2025/02/26 17:32

Settings

Connectivity

CAN

To change the parameters of the CAN bus, designed to configure the device and interact with a upper-level system, select the "Connectivity → CAN" section:

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In this section:

  • Enable – a flag to enable the CAN bus transceiver;
  • Node ID – an identifier of the device in the CANopen network;
  • Bus speed, kbit/s – CAN bus baud rate;
    • 125;
    • 250;
    • 500;
    • 1000;
  • Send TPDO messages – a flag to enable sending TPDO messages on each Sync message;
  • Send Sync messages – a flag to enabled sending Sync messages (CANID = 0x80, no data);
  • Sync period – a period of sending Sync messages, ms;
  • Send Heartbeat messages – a flag to enable sending Heartbeat messages;
  • Heartbeat period – a period of sending Heartbeat messages, ms;
  • Ignore NMT messages – a flag to ignore NMT messages;
  • Ignore SDO messages – a flag to forbid communication using the CANopen SDO protocol.

To apply new settings restart the BMS Mini device.

Modbus (RS-485)

The BMS Mini device support the Modbus RTU protocol over the RS-485 bus.

To change the parameters for connecting to the RS-485 bus, select the “Connectivity → Modbus (RS-485)” section:

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In this section:

  • Enable – a flag to enable the RS-485 transceiver;
  • Address – a network address of the device;
  • Baud rate – RS-485 bus baud rate.

To apply new settings restart the BMS Mini device.

Wi-Fi

With the help of the BMS Wi-Fi module, the BMS Mini device supports connection to a Wi-Fi network.

To change the settings for connecting to a Wi-Fi network, select the "Connectivity → Wi-Fi" section:

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In this section:

  • Enable – a flag to enable connection to a Wi-Fi network;
  • Module – version of BMS Wi-Fi module:
    • V1 (CC3100MOD);
    • V2 (ESP32-C3);
  • SSID – a name of the Wi-Fi network;
  • Password – a password to connect to the Wi-Fi network;
  • Security type – a secure connection type.

Cellular

The BMS Mini device can connect to a cellular network if the BMS GSM communication module is installed on the device.

To change the settings for connecting to a cellular network, select the "Connectivity → Cellular" section:

In this section:

  • Enable – a flag to enable connection to a cellular network;
  • Module – version of BMS GSM module:
    • V1 (SIM7070G);
  • Use APN – a flag to enable APN;
  • APN: Name;
  • APN: User;
  • APN: Password;
  • Use PIN – a flag to enable the PIN code;
  • PIN number;

To apply new settings please restart the BMS Main 3 device.