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Wiki source code of 3. Metering Channels

Version 19.2 by Lana on 2025/11/27 22:04
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1 CONTENT
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3
4 == 1. INTRODUCTION ==
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6 CENTO is a multifunctional software platform for data collection, processing, and display. This Guide contains a description of setting up metering of electricity, energy resources, as well as other types of metering.
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8 It is assumed that the user, having read the instructions "User manual" and "Setup manual", is already familiar with the main elements of the interface and how to configure CENTO.
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10 == 2. ELECTRICITY METERING ==
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12 === 2.1. Device setup ===
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14 CENTO software can work with a variety of metering devices that have the ability to measure and store power and power profiles. The metering function is enabled by adding the metering protocol corresponding to the device on the **Device editing** page (Settings > Devices, tags, channels > Devices), then, similar to other polling protocols, the parameters of communication with the device (RTU address, TCP/UDP port, timeout and number of connection attempts) and scheduled polling parameters (cron of CENTO rules) are specified, to configure electricity metering, the file number is specified in the "File#" field,  which stores power and power profiles.
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16 We will consider the survey of historical data of interval values of accumulated electricity using the example of SATEC devices. For this purpose, the// SATEC (Modbus TCP)// protocol is used (see Fig 2.1).
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18 [[image:Screenshot 2025-11-27 at 18.53.58.png]]
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20 Figure 2.1. Settings of the E/E metering protocol
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22 Setting up the E/E metering protocol contains the following fields:
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24 [[image:Screenshot 2025-11-27 at 18.56.14.png]]
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26 Selection of the accounting protocol from the drop-down list and its inclusion in the survey.
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28 [[image:Screenshot 2025-11-27 at 18.56.53.png]]
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30 Setting up a poll according to the Cron rule (there can be several) with set attempts and timeouts.
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32 [[image:Screenshot 2025-11-27 at 18.57.26.png]]
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34 Specifying the network address of the device and the port for the TCP connection.
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36 [[image:Screenshot 2025-11-27 at 18.57.54.png]]
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38 Serial number of the E/E metering data file in the device's memory (for devices of the Satec type).
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40 [[image:Screenshot 2025-11-27 at 18.58.26.png]]
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42 Device administrator password.
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44 [[image:Screenshot 2025-11-27 at 18.58.55.png]]
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46 Coefficients of conversion of interval values of readings/power (depends on the type of metering device, as well as on the type of connection (direct or with measuring transformers).
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48 [[image:Screenshot 2025-11-27 at 18.59.34.png]]
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50 Transformation coefficients of current and voltage transformers, meter coefficient.
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52 [[image:Screenshot 2025-11-27 at 19.00.09.png]]
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54 Specifying the TCP connection number for parallel polling of one device (for example, if the device is connected via a Modbus TCP/Modbus RTU converter, then the number of the trunk to which the device is connected is specified).
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56 [[image:Screenshot 2025-11-27 at 19.00.46.png]]
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58 Selection of energy/power profile.
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60 [[image:Screenshot 2025-11-27 at 19.01.19.png]]
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62 Enabling/disabling the time synchronization of the device on the CENTO side, with the configured period of maximum time correction in seconds, as well as the permissible deviation.
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64 [[image:Screenshot 2025-11-27 at 19.01.49.png]]
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66 Enabling/disabling a particular channel.
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68 [[image:Screenshot 2025-11-27 at 19.02.20.png]]
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70 Serial number of the record (metering channel) in the E/E metering data file in the device's memory (for devices of the Satec type).
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72 [[image:Screenshot 2025-11-27 at 19.02.51.png]]
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74 When this option is enabled, the specified numbers of energy and power files are not taken into account.
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76 [[image:Screenshot 2025-11-27 at 19.03.24.png]]
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78 Enabling/disabling reading logs from the device.
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80 [[image:Screenshot 2025-11-27 at 19.03.56.png]]
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82 Rounding of channels.
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84 Viewing and changing the metering parameters in the memory of the metering device is carried out in accordance with the instructions of the operating manual for this device.
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86 2.2.