GPS时钟系统 "Times New Roman"">的信号接口
(1) 1个外部参考输入:GPS mso-hansi-font-family:"Times New Roman"">、北斗接收机;
(2) 时码输出接口:装置不仅实现了板卡全兼容,还提供了丰富的信号接口资源和开放式特殊接口设计平台,具备兼容能力。装置可提供多路脉冲信号(1PPS mso-hansi-font-family:"Times New Roman"">、1PPM "Times New Roman"">、1PPH、事件,空接点、差分、TTL mso-hansi-font-family:"Times New Roman"">、24V/110V/220V "Times New Roman"">有源、光)、IRIG-B "Times New Roman"">信号(TTL、422 mso-hansi-font-family:"Times New Roman"">、232 "Times New Roman"">、AC、光)、DCF77 mso-hansi-font-family:"Times New Roman"">信号(有源、无源)、时间报文(RS232 mso-hansi-font-family:"Times New Roman"">、RS422/485 "Times New Roman"">、光)、PTP "Times New Roman"">、NTP/SNTP "Times New Roman"">网络时间信号,可以满足电厂/ "Times New Roman"">变电站内不同设备的对时接口要求。
(3) 卫星失锁、电源中断告警干接点信号
GPS时钟系统 "Times New Roman"">的功能特点
1.时间精度高,达30nS mso-hansi-font-family:"Times New Roman"">。
2.装置采用全模块化即插即用结构设计,支持板卡热插拔,配置灵活,维护方便。为将来其它信号基准源( mso-hansi-font-family:"Times New Roman"">珈俐略卫星信号、上游地面链路的DCLS mso-hansi-font-family:"Times New Roman"">信号、PTP "Times New Roman"">、NTP时间基准信号等) mso-hansi-font-family:"Times New Roman"">的接入提供了方便,为今后建设三网合一的数字同步网打下基础。同时为将来现场改造扩建时增加或更改对时信号接口提供了方便。
3.高可靠性、高冗余度:GPS mso-hansi-font-family:"Times New Roman"">卫星、北斗卫星冗余组合校时
4.内置低相噪高稳双恒温槽晶振
5.高准确度、高稳定度、低相位噪声,无漂移
6.具有智能学习算法
7.驯服、保持工作模式自动切换
8.高性能守时和保持精度
9.显示
"Times New Roman"">指示灯:电源、GPS "Times New Roman"">北斗、1PPS "Times New Roman"">、锁定
"Times New Roman"">面板显示年月日时分秒和GPS
"Times New Roman"">北斗工作状态
GPS时钟系统 "Times New Roman"">的技术参数
1.GPS接收模块指标
(1) 并行12 mso-hansi-font-family:"Times New Roman"">通道,L1 "Times New Roman"">波段(1575.42MHz "Times New Roman"">),C/A码(1.023MHz码片速率)+载波跟踪(载波辅助跟踪)自动运行T- RAIM 功能;
(2) 同时跟踪12 mso-hansi-font-family:"Times New Roman"">颗卫星动态性能 速度1550 mso-hansi-font-family:"Times New Roman"">米/ "Times New Roman"">秒,加速度9g "Times New Roman"">~12g。
(3) 时间精度:1PPS mso-hansi-font-family:"Times New Roman"">秒脉冲输出,精度 30nsec mso-hansi-font-family:"Times New Roman"">(平均);
(4) 手动时区设置,GMT-12 mso-hansi-font-family:"Times New Roman"">至GMT+13 "Times New Roman"">;
2.北斗接收机性能指标
mso-hansi-font-family:"Times New Roman"">(1 "Times New Roman"">)冷启动时间:≤ 2 "Times New Roman"">秒
mso-hansi-font-family:"Times New Roman"">(2 "Times New Roman"">)失锁重捕时间:≤ 1 "Times New Roman"">秒
mso-hansi-font-family:"Times New Roman"">(3 "Times New Roman"">)自动时间:2 "Times New Roman"">分钟
mso-hansi-font-family:"Times New Roman"">(4 "Times New Roman"">)自动授时时间:1 "Times New Roman"">分钟
mso-hansi-font-family:"Times New Roman"">(5 "Times New Roman"">)数据更新率:1Hz "Times New Roman"">、 8Hz 、 16Hz mso-hansi-font-family:"Times New Roman"">可选
mso-hansi-font-family:"Times New Roman"">(6 "Times New Roman"">)精度:小于 100 "Times New Roman"">米 /95% "Times New Roman"">(输入高程误差 10 "Times New Roman"">米)
mso-hansi-font-family:"Times New Roman"">(7 "Times New Roman"">)授时1PPS "Times New Roman"">精度: 小于 20 mso-hansi-font-family:"Times New Roman"">纳秒
3.设备参数
(1)电源:ACDC220V±10% mso-hansi-font-family:"Times New Roman"">,20W
(2)工作环境:温度-20~70 mso-hansi-font-family:"Times New Roman"">℃,湿度0~90% "Times New Roman"">(不结露)
(3)存储条件:温度-30~80 mso-hansi-font-family:"Times New Roman"">℃,湿度0~95% "Times New Roman"">(不结露)
4.授时精度:脉冲、B mso-hansi-font-family:"Times New Roman"">码:0.1 "Times New Roman"">μS,串口:10 mso-hansi-font-family:"Times New Roman"">μS "Times New Roman"">,NTP/SNTP "Times New Roman"">:0.2-10ms "Times New Roman"">;
5.时间保持单元守时精度:时间保持单元晶体振荡器选用OCXO mso-hansi-font-family:"Times New Roman"">,守时精度优于7*10-9(0.42 "Times New Roman"">μS/min) "Times New Roman"">。
6.天线长度标配30m, mso-hansi-font-family:"Times New Roman"">可选50 "Times New Roman"">、60、70 mso-hansi-font-family:"Times New Roman"">、80 "Times New Roman"">、100、120 mso-hansi-font-family:"Times New Roman"">、150 "Times New Roman"">、200米。
GPS时钟系统 "Times New Roman"">的质量服务:
1.锐呈时钟同步产品,三年质保。
2.现场在线运行设备出现故障,维护人员24 mso-hansi-font-family:"Times New Roman"">小时内到达现场(特殊情况12 "Times New Roman"">小时内),维护时间一般不大于30 "Times New Roman"">分钟。
3.**工程师为您提供24 mso-hansi-font-family:"Times New Roman"">小时技术支持。
GPS时钟系统 "Times New Roman"">专业提供商!