Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. The ABB DSAO120 57120001 - EY is a high-performance analog output board. It serves as a crucial link in industrial control systems, converting digital signals from controllers into analog signals that can be used to drive a wide range of actuators. This conversion process is essential for achieving accurate control over variables such as flow, pressure, and temperature in industrial plants.
DATA SHEET
ABB DASO120 57120001-EY.pdf
Technical Specifications
Channel Configuration: The DSAO120 is equipped with 8 channels. This multi - channel design allows for the simultaneous control of multiple devices, enhancing the efficiency and flexibility of industrial control systems. Whether it's regulating the speed of multiple motors or adjusting the opening of several valves, the 8 - channel setup provides the necessary capacity.
Output Signals
It has the capability to output 2 x ±10V and ±20mA signals with an impressive accuracy of 0.05%. These output signals are suitable for driving a variety of analog - controlled devices. For example, the ±10V signal can be used to control the position of a servo - motor, while the ±20mA signal is commonly used in industrial instrumentation for transmitting control signals over long distances.
Resolution
With a resolution of 12 bits (including the sign bit), the DSAO120 can provide a high - level of precision in signal output. This means that it can represent a large number of different output levels, resulting in smooth and accurate control. In applications where fine - tuning is crucial, such as in chemical processes where precise control of reactant flow rates is required, the 12 - bit resolution ensures that the control system can make very small adjustments.
Accuracy
The board offers an accuracy of ±0.1% full - scale. This high level of accuracy is vital for maintaining the integrity of industrial processes. In industries like power generation, where even small deviations in control can lead to significant inefficiencies or equipment damage, the ±0.1% full - scale accuracy of the DSAO120 helps in ensuring stable and reliable operation.
Operating Temperature Range
Designed to withstand harsh industrial environments, the DSAO120 can operate within a temperature range of - 20℃ to +60℃. This wide temperature tolerance makes it suitable for use in various geographical locations and industrial settings, from cold storage facilities to hot and humid industrial plants.
Power Supply
It operates on a 24VDC power supply. This standard power requirement makes it easy to integrate into existing industrial control systems, which often use 24VDC as a common power source.
Communication Protocol
The board supports the standard Modbus RTU protocol. This protocol is widely used in industrial automation for communication between different devices. By supporting Modbus RTU, the DSAO120 can easily communicate with other Modbus - compatible devices, such as programmable logic controllers (PLCs) and human - machine interfaces (HMIs), enabling seamless integration into larger control networks.
Physical Dimensions and Weight
The dimensions of the DSAO120 are approximately 1.0" x 10.0" x 10.0" (2.5 cm x 25.4 cm x 25.4 cm), and it has a net weight of 0.46 kg. Its compact size and relatively light weight make it easy to install in control panels, even in applications where space is limited.
Product Features
High-Precision Output
The combination of high - resolution and accuracy ensures that the analog output signals are of the highest quality. This precision is crucial for applications that demand tight control over process variables. In a pharmaceutical manufacturing process, for instance, accurate control of temperature and pressure is essential to ensure the quality and consistency of the products. The DSAO120's high - precision output helps in maintaining these critical parameters within the required tolerances.
Isolation Design
The input and output channels of the DSAO120 are isolated. This isolation provides several benefits, including enhanced protection against electrical interference. In industrial environments, where there are often large amounts of electromagnetic interference from motors, transformers, and other electrical equipment, the isolation design of the DSAO120 helps in ensuring that the output signals remain stable and accurate. It also protects the board and other connected devices from electrical surges and faults, improving the overall reliability of the control system.
Flexible Configuration
The board offers a high degree of flexibility in configuration. Users can set the output range according to their specific application requirements. For example, in some applications, a different voltage or current range may be more suitable for driving the connected actuators. Additionally, it may also support features such as filtering, which can be configured to remove noise from the output signals. This flexibility allows the DSAO120 to be customized for a wide variety of industrial applications.
Reliability
Built with industrial - grade components, the DSAO120 is designed to operate reliably in harsh industrial environments. It can withstand vibrations, electrical noise, and temperature fluctuations, making it a durable choice for long - term use in industrial control systems. In a mining operation, where the equipment is exposed to dust, vibrations, and extreme temperatures, the DSAO120's reliability ensures that the control system continues to function smoothly, minimizing downtime and maintenance costs.
Applications
Process Control
In industries such as chemical, petrochemical, and power generation, the DSAO120 plays a vital role in process control. It is used to control valves, which regulate the flow of fluids and gases. For example, in a chemical plant, the DSAO120 can control the opening and closing of valves to ensure the correct ratio of reactants in a chemical reaction. It is also used to control the speed of motors, which may be driving pumps or compressors. In a power generation plant, the board can be used to control the steam turbine's speed, which is crucial for maintaining the stability of the electrical grid.
Industrial Automation
In manufacturing industries, the DSAO120 is an integral part of industrial automation systems. It can be used to control robotic arms, which perform tasks such as pick - and - place operations in an assembly line. The accurate analog output signals from the DSAO120 enable precise control of the robotic arm's movement, ensuring high - quality and efficient production. It can also be used to control the speed and position of conveyor belts, optimizing the flow of materials through the production process.
Water Treatment
In water treatment plants, the DSAO120 is used to control various processes. It can control the dosage of chemicals used in water treatment, such as chlorine for disinfection or flocculants for sedimentation. By accurately controlling the amount of chemicals added, the water treatment plant can ensure that the treated water meets the required quality standards. The board can also be used to control the operation of pumps and valves in the water treatment process, ensuring the smooth flow of water through the treatment system.
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