AI835 Analog input module

AI835 Analog input module

The AI835 is an analog input module. Specifically, it is a product under the ABB brand with thermocouple /mV measurement capabilities and offers 8 differential input channels. Each channel can be configured for measurement ranges from -30 mV to +75 mV linear, or TC types B, C, E, J, K, N, R, S, and T. In addition, one of the channels (channel 8) can be configured for “cold contact” (ambient) temperature measurement.
The application field of AI835 module is quite wide, it is widely used in industrial automation control, equipment, scientific research equipment, industrial control equipment, computers and computers, communication equipment, power equipment, instrumentation, semiconductor refrigeration and heating and other fields. Its powerful function and wide application make it has an important position in the industrial field.

The application areas of the AI835 module mainly cover industrial automation and process control systems. As an analog input module, the AI835 features thermocouple /mV measurement capabilities and offers multiple differential input channels that enable it to accurately process analog signals.
In the field of industrial automation, the AI835 module is often used for the acquisition and monitoring of analog signals such as temperature, pressure and flow on the production line. It is able to convert these analog signals into digital signals and transmit them to the control system for further processing and analysis. By monitoring and adjusting these analog signals in real time, the AI835 module helps to automate and intelligentize the production process, improving production efficiency and quality.
In addition, in the process control system, the AI835 module also plays an important role. It can be used to monitor and control analog signals in complex systems such as chemical reactions and physical processes. By accurately measuring and recording parameters such as temperature, level and concentration, the AI835 module helps the control system achieve accurate control and adjustment, ensuring process stability and safety.
In general, AI835 module has a wide range of application prospects in industrial automation and process control systems, and provides a strong support for industrial production and scientific research. However, the specific application areas and scenarios may vary depending on the industry, device and system requirements. Therefore, when selecting and using the AI835 module, it is necessary to configure and debug it according to specific application scenarios and requirements to ensure its normal operation and optimal performance.

The AI835 is an analog input module from ABB and its main parameters are as follows:
Resolution: 12 bits;
Input impedance: 290kΩ (voltage input), 230-275kΩ (current input);
A grouping isolated from the ground;
Below/out of range: -5% / +15%;
Error limit: 0.1%;
Temperature drift: typical voltage 70ppm/°C, maximum value 100ppm/°C; Current typical value 50ppm/°C, maximum 80ppm/°C;
Input filter (rise time 0-90%) : 140 ms;
Update cycle time: 8 ms;
Current limitation: Transmitter power can be limited by MTU current;
Field cable length: 600 meters (656 yards).