Configuring Modbus TCP/IP

  • You are in the Modbus Connector user interface.
  1. Go to Configuration.
  1. Select Add.
  • The Devices pane displays.
  1. Select the device.
  • The Device pane and Data points pane display.
  1. In the Device pane, fill out the fields as follows:
  • Enter the External ID for the Modbus device. This ID must be unique for every configuration and should not be updated once the connector is started. Updating the ID would lead to duplication of points on the cloud.
  • Enter the Unit ID for the Modbus device or server.
  • Enter the IP Address of the Modbus device.
  • For Port, enter the Port of the Modbus device.
  • Enter the Name for the Modbus device.
  • (Optional) Enter a Description for the Modbus device.
  • Enter the Serial Number of the Modbus device.
  • (Optional) Enter the Model name of the Modbus device.
  1. Confirm with Save.
  1. Continue with adding data points.
  1. Select Start in Configuration to start the Modbus Connector.

Configuring Modbus RTU

  • You are in the Modbus Connector user interface.
  1. Go to Configuration.
  1. Select Add.
  • The Devices pane displays.
  1. Select the device.
  • The Device pane and Data points pane display.
  1. In the Device pane, fill out the fields as follows:
  • Enter the External ID for the Modbus device. This ID must be unique for every configuration.
  • Enter the Unit ID for the Modbus device or server.
  • Enter the IP Address of the Modbus device for RTU is 127.0.0.1.
  • For Port, enter the Port of the Modbus device. Port setting for COM1 is 9001, port setting for COM2 is 9002.
  • Enter the Name for the Modbus device.
  • (Optional) Enter a Description for the Modbus device.
  • Enter the Serial Number of the Modbus device.
  • (Optional) Enter the Model name of the Modbus device.
  1. Confirm with Save.
  1. Continue with adding data points.
  1. Select Start in Configuration to start the Modbus Connector.