VLB20120-E22 V035374.B01 SCHENCK is a DISOCONT control unit designed by SCHENCK. It is mainly used in the control and monitoring of various industrial processes, especially suitable for applications in ATEX zone 2213. This control unit offers stable and reliable control performance, capable of precisely regulating and monitoring process parameters to ensure the smooth operation of industrial production. It has a user-friendly interface, facilitating easy operation and parameter setting for operators. With advanced signal processing technology, VLB20120-E22 V035374.B01 SCHENCK can accurately collect and analyze various sensor signals, providing strong support for process control and optimization.
2. Product Parameters
- Power Supply Voltage: 24V1
- Protection Level: IP67
- Communication Interface: PROFIBUS
- Operating Temperature: -20°C to 60°C
- Input Signal Types: Analog signals (e.g., 4-20mA), digital signals
- Output Signal Types: Analog signals (e.g., 4-20mA), digital signals
3. Advantages and Characteristics
- High Reliability: Built with high-quality components and advanced manufacturing processes, it can operate stably in harsh industrial environments with a mean time between failures (MTBF) of over 50,000 hours.
- Strong Compatibility: Supports multiple communication protocols like PROFIBUS, enabling seamless integration with a variety of sensors, actuators, and control systems, reducing system integration costs.
- Accurate Control: With precise signal processing and control algorithms, it can achieve high-precision control of process parameters, with a control accuracy of up to ±0.5%.
- Easy Maintenance: The modular design makes it easy to replace components, and the intuitive interface simplifies fault diagnosis and maintenance, reducing maintenance time and costs.
4. Application Areas and Application Cases
- Application Areas: Widely used in the power, petrochemical, chemical, and metallurgy industries, as well as in other industrial fields with high requirements for explosion protection and process control.
- Application Case: In a petrochemical plant, VLB20120-E22 V035374.B01 SCHENCK is used in the control system of a hazardous chemical storage tank area. It monitors and controls parameters such as the temperature, pressure, and liquid level of the storage tanks in real time. Through reliable communication with various sensors and control valves, it ensures that the operating parameters of the storage tanks are within the safe range. After the adoption of this control unit, the accident rate of the storage tank area has been reduced by 30%, and the efficiency of production operation and management has been significantly improved.
5. Comparison with Competitors
Compared with similar products in the market, VLB20120-E22 V035374.B01 SCHENCK has more obvious advantages in explosion-proof performance and compatibility. Its explosion-proof level meets the requirements of ATEX zone 22, which is higher than some competitors’ products. In terms of compatibility, it supports more communication protocols and has a wider range of applicable sensors and actuators, providing more flexible system integration solutions.
6. Selection Suggestions
- Explosion-Proof Requirements: If your application is in an explosive environment, make sure that the explosion-proof level of VLB20120-E22 V035374.B01 SCHENCK can meet the requirements of the site, such as ATEX zone 22.
- Communication Compatibility: Consider the communication protocols and interfaces of your existing control system to ensure that the control unit can communicate effectively with other devices to achieve seamless integration.
- Function and Performance: Evaluate according to your specific process control requirements, such as the required accuracy of parameter control, the types of input and output signals, and make sure that the product can meet your functional needs.
- Budget: While considering the performance and functionality of VLB20120-E22 V035374.B01 SCHENCK, also take into account your budget constraints, including purchase costs and potential maintenance costs.







