1 Electrical Wiring
Isolate unused RS485 cable wires before powering up the Octopus to avoid unexpected shorts.
Switch on the resistor for daisy chain installations.
Write down your meter's Modbus/rs485 settings: Modbus address / baud rate / number of bits / parity / stop bits
For more information check the following links:
1 – Installing your Wattics Octopus
2 – Connecting RS485 Modbus devices to the Wattics Octopus
2 Octopus Software Configuration
2.1 Download the Octopus Software Tool (Windows)
2.2 Connect your Octopus to your computer
Connect your computer running the Octopus Software Tool to the same network as the Octopus.
2.3 Configure your deployment setup
Launch the WatticsTool.exe Software Tool and create a new Branch, using the “+” button.
Fill the “Branch Name” field with a short name for your project, and insert the serial number of your Octopus Gateway.
Select the correct timezone in the Timezone dropdown menu. If you cannot find your city select the closest city to your site location which is in the same timezone.
Click on Network Configuration to enable Internet access for your Octopus. You will need to get network parameters from your IT department if the Octopus’ IP Address must be registered with your IT department for Internet access. Otherwise you can enable DHCP to get the Octopus to connect to the Internet automatically.
If you use a GPRS sim card for Internet access, you must enter your APN name and APN credentials here.
You must click OK to create the Branch.
You must now set up the Wattics URL where data collected will be sent to. Navigate to Output>Services from the top menu, and do the following:
- Enable Service 1
- Set Wattics as Service Name
- Enter octopus.wattics.com as Service Host Address (
IMPORTANT:When using GPRS Sim cards or when your firewall does not support the use of URLs, you must enter 126.96.36.199 as Service Host Address.)
- Set 4401 as Port
- Click OK.
Once back to the Octopus Software Tool landing page, you can select your Branch and click the “Add” button on the right side to register the Carlo Gavazzi EM21 meter connected to Octopus.
Find your meter in the drop-down menu, and select one of the two drivers available:
- 21 Cumulative kWh: to collect demand data (W, Var, VA, A, V, PF) and energy (total kWh from start)
- 21 Interval kWh: to collect demand data (W, Var, VA, A, V, PF) and energy (kWh during time interval)
At the next screen, you must enter the meter name, its Modbus address, and whether it is connected to the Octopus Gateway via RS485 or via the LAN (Modbus RTU or Modbus TCP).
The device name must be a unique name identifier. Unless instructed otherwise, we ask you to use the following naming convention for choosing your unique name identifier, and to write this unique identifier in your Installation Report:
Make sure to insert a space between OctopusID-counter and nameofdevice
For RS485 connections, you must set the same serial line settings registered within your meter and click OK.
IMPORTANT: Set the response time to 200 if using multi-channel meters or daisy chain configuration, to allow all the Modbus devices to return measurement in time.
For LAN connections, you must enter your Modbus device’s IP address and click OK.
The next screen shows you all the parameters available for that Modbus device. You may unselect some parameters if you are not interested in all measurements. Click OK to save your configuration.
The Modbus device now appears in the list of devices registered within your branch.
You can now add more meters or sensors with other brand/model if you have a daisy chain.
Once you have all your devices created, you must deploy your configuration onto the Octopus Gateway. Select your branch and click on the Deploy button.
On the next screen, leave the default settings and click on Deploy.
Your Octopus Gateway is now configured for data collection from all the devices connected. You must then save your project before you close the application, the project will be saved in the /Workspace folder.
5 – Check that the Octopus is collecting data from the meter
Launch the CDT.exe Software Tool, enter your Octopus serial number and click on Connect.
Once connected, click on the Real-Time tab, and verify that you are getting new event logs for the various electrical parameters every few seconds. This confirms that the Octopus is getting the readings from the meter via Modbus. You can then close the CDT tool. Verify your project file settings if you don’t see any data coming in.
5 – Submit your Octopus project to Wattics
Submit your Octopus .iwtx project file to Wattics via:
Wattics will use your project file to double check that the setup is correct and that data is being received from your Octopus Gateway unit and correctly showing in your dashboard. You will then receive access to your Wattics dashboard, and from then on you will be able to log in to your Wattics Dashboard at http://dash.wattics.com and get started!
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