Modbus BTU Meter as System Profile

3 Minute Read

| Introduction

BTU meters are devices that measure the energy consumption of any liquid heating or cooling system in British Thermal units from which it derives its name. BTU meters are used in chilled water systems for both commercial and industrial and office buildings. They are an efficient way to measure the performance of energy conservation measures or any loss of system efficiency.

| Connecting to the Modbus BTU Meter

From the CCU zone page.

• Click the settings icon.

The floor layout screen is displayed.

• Select the System Config option.

• Click the BTU meter icon.

• Click Pair BTU Meter.

The BTU meter configuration screen displays.

• Select the model from the Hayloft.

The model is fetched and the configuration paramteres are displayed for confirguration.

| Setting up the BTU Meter Profile

• Set the port for the BTU meter configured
• Set the slave ID for the BTU meter.
• Enable/Disable the required parameters.
• Click Set to confirm configuration.

| Accessing the System Monitoring Page

Once the BTU meter is configured on the CCU and the Modbus register parameters selected for visibility on 75F Setting screens then it will be available in system monitoring page. In the System page below system user intent parameters, BM system profile details can be viewed.

The system monitoring page should display Company name of BM, Model number, device ID and parameters selected to be displayed in UI.  Below is an example of a system monitoring page with the displayed parameters.