Time service module is agreed to accurate time of PTP in electric power time service

• Main Authors: ZHANG CHUNLING, YANG NA, SHI ZHANQIANG
• Format: Patent
• Language: Chinese; English
• Published: 08.08.2017
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MULTIPLEX COMMUNICATION

The utility model relates to a time service module is agreed to accurate time of PTP in electric power time service, which comprises a master control chip, time stamp PHY chip, JTAG debugs the chip, a transformer, status indicator lamp, the clock, the pilot lamp, the ARM chip passes through the time information that the main control unit was received to the RS232 interface, through reaching information second time after resolving, after the main control unit sends 1PPS, the ARM chip is with during the information write time stabbed the PHY chip second time, synchronous local zone time source, the clock provides the operation clock for respectively the ARM chip, provide RMII the clock source of communication for time stamp PHY chip, utilize JTAG debugging program's the operation and the setting of breakpoint, real -time analysis, the output debugging information of ARM chip is obtained through the PC, when ARM operation PTP agreement operation task, time stamp PHY chip outwards sends the agreement message thro