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详情描述
Stainless Steel Lab Bench
Experimental Bench Control System: Main Functions and Design Scheme
1. Utilizing a closed-loop control system, information from the system operation is collected via sensors and other acquisition systems. The collected data is then input into the computer via a data acquisition card, where it is displayed and calculated according to control requirements. The control signals are output, processed by the data acquisition card into signals recognizable by the actuator, and finally, system control is achieved through the actuator's movement.
2. Utilizing a centralized computer control system with PLC hardware and the WINDOWS software platform. During the signal acquisition process, we collect both digital and analog signals. Consequently, we first need to convert the acquired analog signals into digital signals that the PLC can process. After processing by the PLC, some of the output signals must be converted back into analog signals to control the experimental bench. This requires both A/D and D/A conversions. Therefore, a data acquisition card integrating both functions is needed to perform the A/D and D/A conversions.
询价单
