● Manufacturer :Triconex
● Product Number :3721
● Product type: Analog input module
Voltage :0 to 5 volts DC or 5 to + 5 volts DC C1, + 6%
● Number of input points :32, DC coupling
● Input update rate :10 ms
An analog input module is an electronic device that converts an analog signal into a digital signal that can be processed by a computer. It usually has multiple channels, can receive multiple analog signals at the same time, and convert these signals into digital data for processing and storage.
The principle of analog input module is to convert analog signal to digital signal, which is realized by sampling, quantization and coding. Sampling is to convert the analog signal into a discrete sample, quantization is to convert each sample into a certain value, and coding is to convert the quantized value into a binary digital signal.
The features of the analog input module include:
High precision: The analog input module can accurately collect analog signals and convert them into high-precision digital signals.
Wide range: The input range of the analog input module is wide, and it can adapt to different analog signal inputs.
High-speed response: The analog input module has a fast response time and can collect and process analog signals in real time.
Multi-channel: The analog input module usually has multiple channels and can collect multiple analog signals at the same time.
Programmability: Analog input modules can be programmed to be configured and controlled to meet different application requirements.
Analog input modules are widely used in many fields, such as industrial automation, medical equipment, energy monitoring, environmental monitoring and so on. In these fields, analog input modules are used to collect various physical quantities, such as temperature, pressure, current, voltage, etc., and convert these physical quantities into digital signals for processing and storage.
The working principle of the analog input module is to transform the analog signal into a digital signal after sampling, amplifying and converting, and then transmit it to the control system. Specifically, the analog input module is usually composed of a sensor, a signal conditioning circuit, and an analog-to-digital conversion circuit.
First, the sensor converts the physical quantity being measured into an electrical signal, which may be an analog signal such as voltage or current. Then, the signal conditioning circuit amplifies, filters, linearizes and so on the signal in order to better extract useful information. Finally, analog-to-digital conversion circuit converts analog signal into digital signal, which is realized by sampling, quantization and coding. Sampling is to convert the analog signal into a discrete sample, quantization is to convert each sample into a certain value, and coding is to convert the quantized value into a binary digital signal.
After these processes are completed, the digital signal is transmitted to the control system for processing and storage. The control system can be a computer, PLC (Programmable logic controller) or other digital system that is able to recognize and process these digital signals and control or monitor them as needed.
