HEDS-5120#A03

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As a well-known accessary in the automation industry, the HEDS-5120#A03 is widely used. This article will analyze its application field and working principle.

Applications:

The HEDS-5120#A03 is mainly used in computers, communications, and in industrial automated fields. As a accessory, it can be used for data transmission between controllers, like encoders, servo amplifiers, drive cards, components of robots, etc. The LSI chip of HEDS-5120#A03 is capable of transferring 2 MHz, and the operating voltage range is 1 - 3.6V DC. In addition, the connection between transmission lines can not exceed the segmented 500 meters. It also supports 10-bit serial data transmission, low power index, and the transmission speed can reach up to 2M bytes / s.

Working principle:

The working principle of HEDS-5120#A03 is based on a “Shift Register” principle, which is a bit-in, bit-out shift register. Its output is the combination of the data at the input. In addition, it adopts a “Synchronous Serial Protocol”. When transmitting data, the initiator sends the data word and then sends the “receive request bit”. The transmission can only start when there is a "receive request bit". When it arrives, the receiver will start the transmission process. Then, the transmission will be completed after the cycle of data receiving twice.

The main structure of the HEDS-5120#A03 is composed of three parts: the first part is the data I/O part, which is responsible for data reading and writing. The second part is the control logic, which controls the communication protocol between the transmission line and internal logic plus arbitration logic. The last part is the memory internal registers, including status and configuration information, such as start bit and end bit.

In conclusion, the HEDS-5120#A03 is a kind of accessary that is widely used in computers, communications, and other industrial fields. It mainly supports 10-bit serial data transmission, low power index, and the transmission speed can reach up to 2M bytes / s. Its working principle is based on a “Shift Register” principle and a “Synchronous Serial Protocol”.

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