Characteristics of high precision unified clock reference

With the continuous progress of society and the rapid development of science and technology, the accuracy of time requirements for all trades and professions is getting higher and higher. The time synchronization between industries is also more important. Especially in the fields of aviation, aerospace, military equipment, precision instruments and other fields, Zhong Jizhun needs to be used as a time signal to ensure the time synchronization of equipment. High precision unified clock reference is a clock device with higher accuracy as a time benchmark. Generally, a unified time benchmark should be established in the power grid, power plants and other fields.

The clock server receives the satellite signal through the antenna as the time reference, then outputs the time signal through the network port or serial port, and transmits the time signal to the device, so that the time between the equipment and the satellite is synchronized. At present, the NTP network clock server is based on the NTP network protocol to transmit time information. The device can also provide time service, which is more convenient and simple to operate. So it is widely used, but the NTP protocol can not meet the requirements. When the timing synchronization accuracy between devices is low or the accuracy of clock devices is low, it is necessary to have high-precision unified clock devices, such as SYN2151 NTP time synchronization server or SYN2401 PTP precision master clock.

The clock server plays a key role in the operation of all devices, and is also an important part of the communication support network. However, there are some problems in the application of some clock devices, such as low accuracy, inconsistent time and large errors. At present, there are many kinds of clock equipment on the market, but few can meet the requirements of products. When buying, consumers should pay attention to the types of satellite signals, the types of output signals, the accuracy range of time service, the accuracy range of time keeping, firewall protection, software monitoring and so on.

      Xi'an synchronous Electronic Technology Co., Ltd. specializes in the production of time and frequency products. The clock equipment has high accuracy and small error. The SYN2151NTP time synchronization server, the equipment has high timing accuracy, the network output can reach Gigabit, the built-in high precision constant temperature crystal oscillator ensures the punctual accuracy, and rubidium atomic clock, tame constant temperature crystal oscillator module and tame rubidium clock module can be selected. Support a variety of operating systems, various protocols, provide firewalls to protect the security of the internal network, support WEB, SSH encryption communication and software monitoring settings of the parameter management mode, provide SNMP network management functions, and so on. The SYN2401 PTP precision master clock supports IEEE1588-2008 PTP V2 master clock, supports nanosecond time transmission accuracy, and supports thousands of PTP slave clocks. The device outputs IRIG-B, 1PPS, 10MHZ, serial port and other signals, supports end to end or peer to peer mode, supports Pre-Master mode, main clock hot backup and hot switch function.

In recent years, the high-precision unified clock is the key technology for the development and popularization of the power industry. The high-precision unified clock is applied to the power grid, power plants, substations, control centers, dispatching centers, etc., and can establish a unified time benchmark to provide users with quality services.

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