Elecnova/Sfere intelligent control cabinet can complete equipment automation and process automation control. The product has stable performance, scalability, strong anti-interference ability. It can be customized according to user needs and equipped with a human-machine interface to achieve intelligent control.

The intelligent control cabinet supports communication protocols such as Modbus and Profibus, and is connected to the DCS system through the network to achieve automation control. It is widely used in industries such as intelligent manufacturing, new energy, water treatment, warehousing and logistics, and building materials and chemical engineering.

Main Function

1. The system is flexible in composition and easy to expand; it can perform PID loop control of continuous processes; and it can be combined with the host computer to form a complex control system, such as DDC and DCS, to achieve comprehensive automation of the production process.

2. Easy to use, simple to program, using concise programming languages such as ladder diagrams, logic diagrams, or statement tables. The program can be modified online to change the control scheme without disassembling the hardware.

3. Able to adapt to various harsh operating environments, with strong anti-interference ability and high reliability.

4. Able to achieve the following control:

Motion control: The control cabinet can perform closed-loop control on linear or circular motion. Widely used in high-precision applications such as CNC machine tools, robots, metal processing, elevator control, etc;

Process control: Through the analog I/O module, continuous changes in analog variables such as temperature, flow rate, and pressure can be controlled. Widely used in industries such as constant pressure water supply, air compressors, fans and pumps, central air conditioning, boilers, etc;

Logic control: used to replace traditional relay control systems. Widely used in security, transportation, smart homes, etc.

Application Scenario

01 Application of intelligent production line

Manufacturing is the cornerstone of modern industry, and with revolutionary breakthroughs and cross integration in important fields and cutting-edge directions such as information technology, new energy, and new materials, a new round of industrial transformation has been triggered. However, traditional industrial production lines are gradually phasing out of contemporary production systems due to their single functionality and independent systems, and are increasingly unable to meet the needs of modern enterprises for improving production efficiency and product quality.

Solution

The intelligent control cabinet adopts large and medium-sized programmable units as controllers, connecting various sensors and actuators on the production line to achieve real-time data collection of various equipment on the production line.

The controller is flexible and can make timely and flexible adjustments to the flow of production line equipment to ensure the continuity of production. The control cabinet improves the accuracy and speed of data input through automated data collection (scanning).

At the same time, it joins the production management system through industrial field bus interfaces such as PROFIBUS, PROFINET, and CC-Link, and through docking with MES and ERP systems, it can provide real-time feedback and adjustments on planned and executed data to achieve intelligent control of the production line.

The application of intelligent control cabinets can achieve paperless production on the entire production line. All real-time production data, including various quality data, production capacity data, demand data, production order data, etc., are displayed online in the production management system to assist management in monitoring and scheduling the production line.

02 Application of large boilers

Boiler is an important thermal energy supply equipment in the national economy. It needs to display real-time signal data such as temperature, pressure, and flow rate of each pipeline in the device during operation.

At the same time, it is also necessary to timely adjust the gas flow, burner load, fan frequency, water pump frequency and other actuator parameters according to the load conditions. In the face of increasingly severe energy and air quality issues, energy conservation and emission reduction are particularly important. Therefore, high requirements have been put forward for the stability and control accuracy of boiler control systems.

Solution

The intelligent control cabinet adopts S7-200smart, S7-1500 series or CP1H series programming controllers as the control unit, and connects PT100 platinum resistance sensors, S-division, K-division thermocouple sensors, pressure transmitters and other instruments through the wiring connector to collect temperature, pressure and other signals of the equipment.

The control cabinet displays the collected data through the human-machine interface and records the equipment operation, faults, temperature, pressure, and other data. It analyzes the relationship between the condensation rate of water vapor in the flue gas and the exhaust temperature.

Based on the calculation of the condensation rate and thermal efficiency, it outputs analog signals such as 4-20mA and 0-10V to control the frequency of the fan/water pump, the load of the burner, and the opening of the regulating valve to achieve stable operation of the boiler. The control cabinet exchanges data with the cloud platform through a gateway to achieve remote monitoring and intelligent management of equipment.

03 Application of large central air conditioning systems

Large central air conditioning, as a necessity for daily production and life, has a wide range of applications in various industries. Due to the inherent characteristics of the air conditioning industry, high control accuracy and complex control processes are required, which places stricter demands on the control system of air conditioning units. Traditional control methods are no longer able to meet these requirements.

Solution

The intelligent control cabinet adopts S7-1500 series or CJ2M series programming controller as the control unit, collects equipment temperature, pressure and other signals through I/O module, collects flow, heat and other data through RS485 interface, calculates the optimal control curve for the required load, and uses the programmable controller analog output module to control the melt pump and regulating valve.

To ensure the cooling and heating effects, reduce energy consumption, save energy and reduce emissions, the modular programmable controller is suitable for various models. The human-machine interface of the intelligent control cabinet displays the operating data in real time, records operating events and fault records, draws temperature and pressure trend charts, and exchanges data with the cloud platform through the gateway to achieve remote monitoring and intelligent control.

About Elecnova/Sfere Electric

Elecnova / Sfere Electric a leading manufacturer and solution provider of Power quality analyzer / Energy analyzer / kWh energy meter / Multi circuit power monitoring system / EV charger metering / Digital power meter / Motor controller / Busway temperature sensor / Harmonic Filter / Power factor correction / Low Voltage power distribution panel / Cloud view Power monitoring system / Energy Storage System.