Product Description
Overview
The ABB DSAO120 57120001-EY is a high-performance analog output module, playing a key role in ABB's diverse industrial automation product portfolio. Relying on ABB's profound technical heritage and years of practical experience in the field of electrical and automation, this module is specially designed for complex and harsh industrial environments. It aims to provide precise and stable analog signal output services for various industrial control systems, strongly promoting the industrial automation process towards efficiency and intelligence, and helping enterprises achieve optimization and upgrading of production operations.
Technical Parameters
Parameter Category | Details |
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Product Model | DSAO120 57120001-EY |
Product Type | Analog Output Module |
Brand | ABB |
Country of Origin | Sweden |
Output Channels | Equipped with 8 output channels, capable of providing analog signal output for multiple devices simultaneously to meet the diversified needs of complex systems |
Output Signal Types | Supports ±10V voltage output and ±20mA current output, compatible with different types of actuators and devices |
Accuracy | The output accuracy can reach 0.05%, ensuring highly precise analog signal output and providing a reliable data foundation for industrial production |
Resolution | 12-bit signed resolution, which can delicately present signal changes to meet application scenarios with high requirements for signal accuracy |
Operating Voltage | Adapted to common industrial power supplies, and can operate stably at the rated operating voltage (the specific rated value depends on the actual product power supply requirements) |
Isolation Method | Adopts reliable isolation technology (such as optoelectronic isolation, etc.), electrically isolating the output circuit from other parts of the system to effectively resist external electrical interference, ensure stable signal transmission, and prevent interference from affecting the system |
Isolation Voltage | Can withstand a certain intensity of isolation voltage (such as [X] V AC, refer to the product manual for specific values) for a specified time (such as 1 minute), enhancing the reliability of the module in complex electrical environments |
Output Load Capacity | Has good load driving capability, which can meet the startup and operation requirements of various actuators, ensuring that the signal output is not affected by load changes |
Communication Interface | Usually equipped with standard communication interfaces (such as RS485, etc.), supporting common industrial communication protocols (such as Modbus RTU protocol), facilitating data interaction and remote control with devices such as PLCs, DCS systems, and other upper computers |
Communication Rate | The communication rate is high (such as up to [X] Kbps, the specific rate depends on the product specifications), ensuring fast and stable data transmission and timely response to system control commands |
Protection Level | The standard protection level reaches IP20, which can effectively prevent dust; if the application scenario has special protection requirements, versions with higher protection levels such as IP30 and IP40 can be customized to adapt to harsher environments |
Operating Temperature Range | Can work normally in the temperature range of -20°C to +60°C, adapting to industrial applications in different temperature environments such as high-temperature workshops and cold warehouses, and ensuring the stable operation of the module under complex working conditions |
Storage Temperature Range | -40°C to +85°C, ensuring that the module's performance is not affected under various storage conditions and extending the service life of the product |

Functional FeaturesPrecise Analog Output
Using advanced signal processing and conversion technology, it can accurately convert digital signals into high-precision analog signal output. The output signal fluctuation is extremely small, and the deviation is controlled within 0.05%, providing stable and accurate control signals for various actuators in the industrial production process, and ensuring the accuracy and stability of the production process. For example, in scenarios such as temperature control of chemical reactors and motor speed regulation, it ensures that the control signals are accurate, improving product quality and production efficiency.
Diverse Signal Adaptation
Supports ±10V voltage signals and ±20mA current signal output, and can flexibly adapt to most industrial actuators, control valves, regulating valves and other devices in the market. Whether it is a precision instrument requiring voltage drive or a high-power device relying on current signal control, it can be seamlessly connected, which greatly improves the versatility and compatibility of the module in different industrial automation systems and reduces the difficulty and cost of system integration.
Efficient Communication Interaction
Through the RS485 communication interface and Modbus RTU protocol, it establishes a high-speed and stable data connection with other devices, can quickly receive control commands sent by the upper computer, and timely transmit the analog output signals generated by internal operations to the execution equipment, realizing efficient collaborative work between devices. At the same time, it can also real-time feedback its own working status and output signal parameters, which is convenient for operators to carry out remote monitoring and fault diagnosis, and improves the overall operation efficiency and intelligent management level of the system.
Reliable Electrical Isolation
Adopting high-quality optoelectronic isolation technology, it electrically isolates the analog output circuit from other parts of the system, effectively blocks external electrical interference signals from entering, avoids problems such as signal distortion and misoperation caused by electromagnetic interference, and can prevent voltage and current abnormalities caused by internal module faults from damaging other devices, significantly enhancing the stability and safety of system operation, and ensuring stable and reliable operation in industrial environments with strong electromagnetic interference, such as steel plants and substations.
Flexible Configuration Function
Users can flexibly configure the module's output signal range, calibration parameters, communication baud rate, etc. according to actual industrial application needs with the help of professional programming software or upper computer control systems, so as to achieve personalized customization and meet the requirements of diversified control strategies and complex production processes. For example, in different production stages or different product production processes, the output signal characteristics can be quickly adjusted to improve the application flexibility and adaptability of the module in different industrial scenarios.
High Reliability Assurance
In terms of component selection, high-quality electronic components are carefully selected, and through strict screening, aging testing and quality inspection processes, the stable performance of the module during long-term use is ensured. At the same time, the circuit design has perfect protection functions such as overvoltage, overcurrent and overheat. When abnormal conditions occur, it can quickly and automatically cut off the circuit to protect the module and backend equipment from damage, effectively reducing the equipment failure rate, reducing maintenance costs and downtime, and providing a strong guarantee for the continuity of industrial production.

Application FieldsIndustrial Automation Production Lines
In automated production lines such as automobile manufacturing, electronic device production, and food and beverage processing, it is used to precisely control the actions of various actuators, such as controlling the movement trajectory of robotic arms, adjusting the running speed of conveyor belts, and controlling the filling volume of filling equipment. Through stable and accurate analog signal output, it ensures that all links of the production line work closely and efficiently, improves production efficiency and product quality, reduces the reject rate and production costs, and realizes the precise control and efficient operation of automated production.
Power Systems
In power facilities such as power plants and substations, this module can be used to control the output parameters of power equipment, such as adjusting the excitation current of generators to stabilize the output voltage, and controlling the input and cut-off of reactive power compensation devices to optimize the power factor of the power grid. At the same time, it can also collect analog data in the power system, such as voltage, current, power, etc., and upload them to the power monitoring system through the communication interface, providing data support and precise control means for the safe and stable operation of the power system, ensuring reliable power supply, and improving the operation efficiency and stability of the power grid.
Intelligent Building Control Systems
In intelligent buildings, it is used to control the brightness adjustment of the lighting system, the temperature and humidity control of the air conditioning system, and the running speed and stop floor setting of the elevator system. Through analog signal output, it realizes the intelligent management and precise control of various electromechanical equipment in the building, automatically adjusts the equipment operation status according to the actual environmental needs and user settings, reduces energy consumption, improves the intelligent management level of the building, and creates a more comfortable, convenient and energy-saving living and working environment for users.