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ABB AI610 – 32 Channel 12-bit Analog Input Module

From: | Author:Wang | Time :2025-04-27 | 90 visit: | Share:

ABB AI610 – 32 Channel 12-bit Analog Input Module

Core technical parameters

Electrical parameters

Input Signal Type: It supports a variety of common analogue input signals, including 4 - 20mA current signal, 0 - 10V voltage signal, ±10V voltage signal, etc., which can meet the output requirements of different types of sensors and transmitters. For example, in the temperature measurement system, with the 4 - 20mA output temperature transmitter, can accurately collect temperature analogue data.

Number of channels: With 32 independent analogue input channels, 32 analogue signals can be collected at the same time, which greatly improves the efficiency of data collection and the integration of the system, and is suitable for large-scale data collection in industrial scenarios, such as the production process monitoring system of large factories.

Resolution: The 12-bit resolution provides high measurement accuracy and converts analogue signals into 4096 (2^12) discrete digital values. Taking 0 - 10V voltage signal input as an example, the measurement accuracy can reach 10V / 4096 ≈ 2.44mV, which can meet the accuracy requirements of most industrial applications.

Sampling rate: the sampling rate of each channel can reach 1000Hz, which can quickly capture the changes of analogue signals and reflect the dynamic information of process parameters in a timely manner, which is suitable for industrial process control that is sensitive to the changes of signals, such as monitoring of fast-reacting chemical reaction processes.



Performance parameters

Accuracy and error: In the whole working temperature range (-40 ℃ - 70 ℃), the measurement accuracy of the module can reach ± 0.1% F.S. (full scale), to ensure the accuracy of the collected data. At the same time, with low drift characteristics, temperature drift coefficient of less than ± 50ppm / ℃, effectively reduce the temperature change caused by the measurement error, to ensure the stability of long-term operation.

Isolation characteristics: electrical isolation design between channels and between channels and the system, the isolation voltage can reach 500V AC, effectively preventing signal interference and electrical faults affect each other, improve the reliability and safety of the system. For example, in complex industrial electromagnetic environments, the isolation design can avoid signal crosstalk between different channels and ensure the accuracy of data acquisition.

Input impedance: For voltage input signal, the input impedance is more than 10MΩ, which reduces the loading effect on the signal source and ensures the authenticity of signal acquisition; for current input signal, the input impedance is less than 50Ω, which meets the requirements of the 4-20mA current loop and ensures the stable transmission of the current signal.



Communication and interface parameters

Communication protocols: It supports a variety of industrial communication protocols, such as Modbus RTU, Profibus DP, EtherCAT, etc., which is convenient for connecting and data interaction with different brands and types of controllers. Through Modbus RTU protocol, it can easily establish communication with PLC controller to achieve real-time transmission of analogue data and remote monitoring.

Communication interfaces: Equipped with standard communication interfaces, such as RS485 interface (for Modbus RTU communication), DP interface (for Profibus DP communication), Ethernet interface (for EtherCAT communication) and so on. These interfaces are industrial-grade design with good anti-interference ability and reliability to ensure stable and efficient data communication.

Wiring method: The detachable terminal block wiring method is convenient for users to connect and maintain the cables. The signal input port, power port and ground port of each channel are clearly marked on the terminal block, which makes the wiring operation simple and intuitive and reduces the difficulty of installation and commissioning.



Mechanical and environmental parameters

Size and installation: the module adopts a compact design with a small external dimension of only 25mm in width (for example, standard DIN rail mounting module), which can effectively save the internal space of the control cabinet. Support the standard 35mm DIN rail mounting, easy and fast installation process, easy to modular layout and expansion in the industrial control cabinet.

Protection level: IP20, suitable for installation in indoor control cabinets, distribution boxes and other environments, can prevent the entry of solid foreign objects with a diameter of more than 12mm. In practice, it should be installed in control cabinets with protective functions to ensure normal operation in industrial environments.

Working environment: the working temperature range is - 40℃ - 70℃, the storage temperature range is - 40℃ - 85℃, which can adapt to most of the harsh industrial environment conditions. In high temperature environments, the module's heat dissipation design ensures that the temperature of the internal electronic components remains within safe limits; in low temperature environments, it can also start and work normally. Relative humidity requirements of 5% - 95% (non-condensing), with good moisture-proof performance.



Functional characteristics

High-precision data acquisition

Advanced A/D conversion technology: Built-in high-performance A/D converter, combined with 12-bit resolution and high sampling rate, can achieve accurate acquisition and fast conversion of analogue signals. Whether it is a slowly changing process parameters (such as temperature, pressure), or rapidly changing signals (such as flow, vibration), can be accurately captured and converted to digital signals, providing a reliable data base for the control system.

Calibration and Compensation Function: With automatic calibration and manual calibration function, users can calibrate the module periodically to ensure the measurement accuracy. At the same time, it supports linear and non-linear compensation algorithms, which can correct the measurement data according to the characteristics of the sensor to further improve the measurement accuracy. For example, for sensors with non-linear output characteristics, the non-linear compensation function can make the collected data closer to the true value .



Powerful signal processing capability

Filtering function: Each channel has built-in digital filtering function, supporting a variety of filtering methods, such as mean filtering, median filtering, weighted average filtering and so on. Users can choose the appropriate filtering method and filtering parameters according to the actual application requirements, effectively suppressing the noise interference in the signal and improving the stability and reliability of the signal. In the case of electromagnetic interference or mechanical vibration in industrial sites, the filtering function can significantly improve the data quality.

Over-limit alarm function: the upper and lower alarm thresholds can be set for each channel, when the collected analogue data exceeds the preset threshold range, the module can send out an alarm signal in time and transmit the alarm information to the controller or host computer through the communication interface. Alarm mode supports hardware alarm (e.g. relay output) and software alarm (e.g. alarm flag bit in the communication protocol), which is convenient for users to discover and deal with abnormal situations in time.



High reliability and stability

Redundancy design: Some models of AI610 modules support redundancy configuration to improve the reliability of the system by means of dual-module redundancy or power supply redundancy. In dual-module redundancy configuration, when the main module fails, the standby module can automatically switch over and take over the data acquisition task, ensuring uninterrupted operation of the system and reducing the risk of production interruption caused by module failure.

Anti-interference design: Multi-layer circuit board design and shielding technology are adopted to effectively suppress electromagnetic interference and radio frequency interference. At the same time, the power supply circuit inside the module has been optimised and designed with good power filtering performance, which can resist the influence of grid voltage fluctuation and power supply noise and ensure stable operation in the complex industrial electromagnetic environment.

Self-diagnostic function: Built-in perfect self-diagnostic mechanism can monitor the working status of the module in real time, including power supply status, communication status, channel faults, etc. When a fault is detected, the module can detect it. When a fault is detected, the module can output fault information through the indicator or communication protocol, which is convenient for users to quickly locate and troubleshoot, reducing maintenance costs and downtime.



Precautions

Installation and wiring

Installation environmental requirements: it should be installed in a dry, well-ventilated environment without corrosive gases and dust, and avoid installing it in places with high temperature, humidity and strong electromagnetic interference. The installation location should be far away from heat and vibration sources to ensure the normal operation of the module.

Wiring specification: When connecting the cables, it should be operated in strict accordance with the wiring diagram and manual of the module. Analogue signal lines should be shielded cables, the shield should be reliably grounded to reduce electromagnetic interference. Different types of analogue signals (such as voltage signals and current signals) should be wired separately to avoid signal crosstalk. At the same time, ensure that the power line is connected correctly to avoid reverse or short circuit .



Use and Operation

Parameter setting: Before using the module, the parameters of the module should be set correctly according to the actual application requirements, such as input signal type, range, filtering mode, alarm threshold, etc.. Improper parameter setting may lead to data acquisition errors or system failure, so the parameters should be carefully checked and verified after setting.

Communication Configuration: When the module communicates with the controller, it should ensure that the communication protocol and communication parameters (such as baud rate, address, data format, etc.) are set consistently. In the communication process, if there is an abnormal data transmission, you should check whether the communication cable connection is firm, whether the communication interface is damaged, and troubleshooting through diagnostic tools .

Maintenance

Daily maintenance: Clean the module regularly, wipe the module surface with a clean soft cloth to remove dust and stains. Check the status of the module's indicator lights to ensure that the module operates normally. If the indicator light is found to be abnormally flashing or always on, you should check the fault information of the module in time and carry out troubleshooting .

Regular calibration: In order to ensure the measurement accuracy of the module, the module should be calibrated regularly. The calibration period can be determined according to the actual application requirements and the use of the module environment, it is generally recommended to carry out calibration once a year. During the calibration process, standard calibration equipment should be used and operated in accordance with the calibration procedures.

Spare parts management: In order to reduce the production interruption caused by module failure, it is recommended that users reserve a certain number of spare parts. When choosing spare parts, it should be ensured that the models and specifications of spare parts are consistent with the original module and purchased from regular channels to ensure the quality and compatibility of spare parts .



Other Models

Performance Upgrade Models

ABB AI620 - 32 Channel 16-bit Analog Input Module: Based on AI610, the resolution is increased to 16-bit, and the measurement accuracy is further improved to ±0.05% F.S. Meanwhile, the sampling rate is increased to 2000 bits. At the same time, the sampling rate is increased to 2000Hz, which can capture signal changes more quickly, and is suitable for industrial applications that require higher accuracy and real-time performance, such as high-precision laboratory measurements and precision instrument control.

ABB AI630 - 64 Channel 12-bit Analog Input Module: The number of channels has been increased to 64 to meet the needs of large-scale data acquisition systems. While maintaining 12-bit resolution, it optimises the communication interface and data processing algorithms to improve data transmission efficiency and system response speed, which is suitable for the integrated automation monitoring system of large-scale factories.



Function Expansion Models

ABB AI611 - 32 Channel 12-bit Analog Input Module with HART: On the basis of AI610, it adds the support for HART communication protocol, which can communicate with smart meters with HART protocol and realise remote configuration and diagnosis of instrument parameters. It is suitable for industrial application scenarios that require in-depth management and monitoring of smart meters, such as petrochemical, natural gas transmission and other industries.

ABB AI612 - 32 Channel 12-bit Analog Input Module with Isolated Outputs: In addition to all the functions of the AI610, the AI612 also has an isolated output function that provides independent analogue output signals for each channel. These output signals can be used to drive external devices or as inputs to other control systems, enabling the secondary use of data and system expansion, suitable for industrial automation systems that require signal distribution and conversion.



Special Application Models

ABB AI610 - EX - 32 Channel 12-bit Analog Input Module (Explosion-proof): Designed for hazardous environments such as chemical industry, oil and gas, it has passed the relevant explosion-proof certifications (e.g. Ex certification). Special explosion-proof measures have been taken in the structural design and material selection to ensure safe operation in flammable and explosive environments, and can be used for analogue data acquisition in hazardous locations.

ABB AI610 - IP67 - 32 Channel 12-bit Analog Input Module (High Protection): The protection level has been increased to IP67, which is able to completely prevent the entry of dust and can be immersed in a certain depth of water without affecting the normal operation, and is suitable for use in wet, watery, dusty and other harsh environments, such as mines, mines, mines, mines, and mines. It is suitable for humid, watery and dusty environments, such as mines, tunnels, outdoor equipment monitoring and so on.



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