320-1026C Ensure the consistency of data transmission


Technical Parameters
◆ Integrated design of data acquisition and transmission.
◆ Micro-power consumption design, support battery, solar energy, utility power supply.
◆ IP68 protection level, waterproof, moisture-proof, anti-soaking.
◆ Supports two working modes: wake-up timer and real-time online.
◆ Provide 5V and 12V DC power supply for the transmitter.

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Simon Zhang
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320-1026C Ensure the consistency of data transmission

320-1026C in industrial plc control system, remote i/o is a kind of high-speed local area network, in fact, it is a solution to connect the input/output devices and the central controller (cpu) in the way of bus, so as to realise the remote control of input/output devices. There are a variety of bus methods, the major companies to develop products have their own characteristics, for example, some companies use profibus-dp fieldbus, the communication medium for the shielded twisted pair, some companies use 75ω coaxial cable and catv media technology. Although the application of the media are different, but the requirements of the system is basically the same, mainly in the following areas:

320-1026C Ensuring accurate and high-speed data transmission is a basic requirement for remote i/o. Most of the data is transmitted between the rio processor (at the front end of the plc) and the rio adapter (at the remote substation), which is less than 1 ms for the i/o remote substation. as a high-speed local area network, the remote i/o must support applications with stringent time requirements. the plc serves each node with a coherent communication method, and the i/o substation is always updated within a defined time range, and in the case of user logical programme segment number for that time range. To ensure that information does not conflict, each node transmits on the network only within a defined time range, rather than data from several nodes being transmitted at the same time.

The 320-1026C is very important in the design and implementation phase of the project. Because the remote i/o is connected to the equipment layer, and the information transmission between the plc and the remote station is carried out in a strict time period, any interference may cause the state and action commands of the input/output devices not to be transmitted and executed correctly, thus resulting in the system malfunctioning, or even equipment accidents.