Reading Data from Secure Premier 300 Meter by HashStudioz's DLMS-enabled IoT Gateway: A Technical Guide

In the modern era of energy management, energy meters have emerged as indispensable tools for safeguarding data integrity & ensuring accurate energy measurement both from consumption monitoring as well as billing. These advanced metering devices go beyond simply recording electricity consumption. They incorporate sophisticated security features to protect against unauthorized access, tempering, data manipulation & cyberattacks.

The Secure Premier 300 meter is a widely used single-phase energy meter that provides accurate energy consumption measurements. To effectively monitor and manage energy usage it is crucial to extract data from these meters that is where IoT gateways play a significant role i.e. to facilitate the data extraction process and push this data to the cloud. This article delves into the technical aspects of reading data from Secure Premier 300 meters using DLMS enabled IoT gateways.

Understanding Secure Premier 300

under secure premier 300

Product Overview

The Secure Premier 300 is a three-phase, CT/VT-operated energy meter that is part of Secure Meters’ Premier family of meters. They cover a broad range of power levels & offer flexible time-of-use tariff metering & communications capabilities. It is available in different accuracy classes & wiring configurations. It is a Revenue Protection Class 0.2 meter which means that it is accurate to within 0.2% of the actual energy consumption. The Secure Premier 300 is also a DLMS-compliant meter which means that it can communicate with a variety of metering & billing systems.

Features of Secure Premier 300

Four-Quadrant Metering: Provides accurate measurement in all four quadrants.

Import/Export and Forwarded Metering: Suitable for both Low-Tension (LT) and High-Tension (HT) systems.

Support for Distribution Transformer Metering Events: Monitors high/low voltage, under/overload situations.

Time of Day Metering: Records maximum demand enabling automatic billing based on time of use.

Backlit LCD Display: Shows critical events via annunciators for easy monitoring.

Scroll Lock Feature: Allows continuous display of selected parameters.

High-Resolution Energy Display: Offers precise energy measurement for dial testing.

Remote Meter Reading: Utilizes DLMS protocol through RS-232/RS-485 ports for remote monitoring.

Advanced Event Detection: Detects voltage, current & magnetic influences efficiently.

Metrology LEDs: Provides accuracy testing for different energy types.

Meter Reading during Mains Absence: Employs an internal battery for continued meter reading even without mains power.

Technical Specifications

1. Electrical

Connection Type: It can operate with either CT (Low Tension) or CT/VT (High Tension).

Wiring Configuration: Supports 3-phase 4-wire for CT and both 3-phase 3-wire & 3-phase 4-wire for CT/VT.

Voltage Range: For CT: 230/240 V (Phase-Neutral) and for CT/VT: 110 V (Phase-Phase), 63.5 V (Phase-Neutral).

Current Range: Ranges from -/5(10) A to -/1(2) A.

Accuracy: Class 0.2s, 0.5s for HT and class 0.5s for LT.

Mains Frequency: Operates at 50 Hz ± 5%.

Burden: Adheres to relevant standards.

2. Compliance

Meets standards such as IS 14697, IEC 62052-22, IEC 62053-24 and IS 15959.

3. Mechanical

Dimensions: Approximately 191 x 255 x 82 mm (Width x Height x Depth).

Weight: Around 1.2 kg.

Enclosure: Made of engineering plastic.

Sealing: Allows for sealing on both the main cover and terminal cover.

4. Environmental

Ingress Protection: Rated at IP 51.

Temperature: Operating range from -10°C to +55°C, storage range from -25°C to +70°C.

Humidity: Supports 95% non-condensing relative humidity

5. Features

Tariff Rate Registers: Can handle up to 8 rate registers for two energy channels.

Maximum Demand: Supports up to 2 types, configurable across 8 registers.

Load Survey: Records up to a 90-day load profile for 8 parameters with a 30-minute integration period.

Communication: Includes an optical port for local communication. Also offers optional RS-232/RS-485 ports on RJ-11 for remote communication & an optional RS-485 port with Modbus on RJ-11.

Advantages

  • Accurate measurement across various power levels.
  • Enhanced event detection for voltage, current and magnetic influences.
  • Compatibility with a wide range of accuracy classes and wiring configurations.
  • Flexible tariff metering and communication capabilities.

The Premier 300 is equipped with advanced features & communication protocols ensuring reliable and precise metering across different power environments while offering convenience in monitoring & data retrieval.

DLMS Protocol

DLMS or Device Language Message Specification, is a commonly used standard in the world of energy metering and control systems. It facilitates interoperability and seamless data exchange by giving smart devices a common language to communicate with one another.

HashStudioz’s IoT Gateway Solution

HashStudioz offers a range of IoT gateway solutions that seamlessly integrate with Secure Premier 300 meters. These gateways provide a robust and reliable platform for data acquisition, communication and processing.

1. Multi-protocol Support

Support for various communication protocols including DLMS, Modbus and BACnet enabling compatibility with a wide range of devices.

2. Edge Computing Capabilities

Perform data processing and analysis at the edge, reducing data transmission requirements and improving response times.

3. Secure Data Transmission

Employ industry-standard encryption protocols to safeguard data security during transmission.

4. Flexible Connectivity Options

Support for various connectivity options such as Ethernet, cellular and WiFi ensures seamless data transfer.

5. Integration of Network Devices

It enables the integration of IEEE 802.11b/g/n network devices with both serial & Ethernet ports, thus bridging the gap between wireless & wired technologies.

6. Handling Data Protocols

The gateway is equipped to handle various communication protocols such as Virtual COM, TCP server/client, UDP server/client & HTTPS client.

7. Modbus Support

It supports Modbus RTU to Modbus TCP conversion. Modbus is a popular communication protocol used in industrial automation & the gateway’s support for it enables seamless interaction with Modbus-based devices.

8. Specific MQTT/SSL Firmware

This feature suggests that the device can be customized with firmware optimized for MQTT (a messaging protocol for IoT) with SSL encryption for secure communication.

9. Electrostatic Shielding

Built-in electrostatic shielding ensures robust signal integrity.

10. Heartbeat Packet Support

Maintain device connectivity with heartbeat packet functionality.

11. WebSocket Support

Enable efficient and real-time bidirectional communication.

12. Scheduling and Timeout Reset

Manage operations with scheduling and timeout reset capabilities.

IoT Products

Why is Gateway Required to Read Data from Secure Premier 300?

A gateway is a significant component for reading data from Secure Premier 300 meters. It provides the necessary security, protocol translation, data aggregation, data transformation and remote monitoring capabilities to ensure that meter data can be collected, analyzed and utilized effectively.

1. Data Aggregation

A gateway can aggregate data from multiple Secure Premier 300 meters reducing the number of connections required between the meters and the DMS. This can simplify network management & reduce costs.

2. Security

The Secure Premier 300 meter uses a secure communication protocol DLMS (Device Layer Management Standard) that requires encryption & authentication. A gateway can provide the necessary security features to establish a secure connection with the meter and protect the data from unauthorized access.

3. Remote Monitoring

A gateway can provide remote monitoring & troubleshooting capabilities for the Secure Premier 300 meters. This can help to identify and resolve problems quickly, reducing downtime & improving overall system reliability.

4. Protocol Translation

The Secure Premier 300 meter communicates using the DLMS protocol which is not directly compatible with most data management systems (DMS). A gateway can translate between the DLMS protocol and the protocols used by the DMS, allowing the DMS to read and interpret the meter data.

5. Data Transformation

A gateway can transform meter data into a format that is more compatible with the DMS. This may involve converting units of measurement, filtering out irrelevant data or calculating additional data points.

How to Read Data from SECURE Premier 300 Meter Using a DLMS enabled IoT Gateway?

Reading data from a SECURE Premier 300 meter using a DLMS-enabled IoT gateway involves establishing communication between the meter, the gateway and subsequently sending it to the cloud using MQTT. The general process typically involves the following:

1. Establish DLMS Communication

Connect the Secure Premier 300 Meter to the IoT Gateway: Use the appropriate communication interface such as serial or Ethernet to physically connect the meter to the IoT gateway. This may involve using cables, adapters or other hardware components.

Configure the IoT Gateway for DLMS Communication: Set up the DLMS enabled IoT gateway to communicate with the Secure Premier 300 meter. This involves specifying parameters such as the server address, physical address, logical address & authentication credentials. These parameters guarantee that the IoT gateway can identify and communicate with the specific meter.

Verify DLMS Connection: Validate that the IoT gateway can successfully establish a DLMS connection with the Secure Premier 300 meter. This verification may involve testing the connection using diagnostic tools or sending text messages to confirm communication.

2. Configure MQTT Data Transmission

Configure MQTT Publishing: Set up the IoT gateway to publish DLMS data to an MQTT broker using the MQTT protocol. Specify the MQTT broker address which is the network address of the broker that will receive the data. Define the topic name which is the identifier for the data stream being published. Set the QoS level which determines the reliability of data delivery.

Ensure MQTT Broker Readiness: Verify that the MQTT broker is properly configured and running. Check that the broker is accessible on the specified network address and that it is configured to accept incoming MQTT messages.

Validate MQTT Publishing: Confirm that the IoT gateway is successfully publishing DLMS data to the MQTT broker. Monitor the broker’s message queue or use a debugging tool to observe the published DLMS data.

3. Integrate with Cloud Platform

Create a Cloud Platform Account: Set up an account on the chosen cloud platform such as Amazon Web Services (AWS), Microsoft Azure or Google Cloud Platform (GCP). This account will provide access to the cloud platform’s services and resources.

Set Up Cloud Device or Application: Create a device or application within the cloud platform that will receive and process the MQTT messages from the IoT gateway. This device or application will act as the endpoint for the MQTT data stream.

Configure MQTT Broker Forwarding: Configure the MQTT broker to forward the MQTT messages from the IoT gateway to the cloud platform. Specify the cloud platform’s MQTT endpoint as the destination for the forwarded messages.

Verify Cloud Platform Reception: Validate that the cloud platform is receiving MQTT messages from the IoT gateway. Monitor the cloud platform’s message queue or use a logging mechanism to confirm message reception.

4. Visualize Data on the Dashboard

Connect Dashboard Application: Establish a connection between the dashboard application and the cloud platform. This connection may involve using APIs, SDKs or other tools provided by the cloud platform.

Subscribe to MQTT Topic: Configure the dashboard application to subscribe to the MQTT topic containing DLMS data. This subscription ensures that the dashboard application receives the data stream from the cloud platform.

Create Visualizations: Design and implement visualizations such as charts, graphs or gauges to represent the DLMS data. These visualizations should effectively display the energy consumption, voltage, current, or other relevant parameters.

Monitor Dashboard: Continuously observe the dashboard to monitor the real-time data from the Secure Premier 300 meter. The dashboard should provide an intuitive representation of energy usage and other electrical parameters.

Looking to remotely monitor and analyze energy consumption from Secure 300 meters? We offer expert data reading and cloud integration services. Get a free consultation today!

Conclusion

HashStudioz’s DLMS-enabled IoT Gateway to read the data from Secure 300 meters marks a significant milestone in the world of IoT development. Its ability to capture diverse data securely over a considerable range coupled with the use of DLMS and MQTT protocols positions it as a robust and versatile solution for industries seeking reliable and efficient IoT solutions. As we continue to witness the evolution of IoT technologies, milestones like this pave the way for smarter, more connected and sustainable systems.

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Yatin Sapra

By Yatin Sapra

Yatin is a highly skilled digital transformation consultant and a passionate tech blogger. With a deep understanding of both the strategic and technical aspects of digital transformation, Yatin empowers businesses to navigate the digital landscape with confidence and drive meaningful change.