GPS卫星对时装置(GPS mso-hansi-font-family:"Times New Roman"">电力授时产品, "Times New Roman"">北斗网络校时,GPS "Times New Roman"">卫星时钟)以GPS mso-hansi-font-family:"Times New Roman"">北斗卫星系统为时间基准,输出与UTC mso-hansi-font-family:"Times New Roman"">时间高度同步的秒(1PPS "Times New Roman"">)、分(1PPM "Times New Roman"">)、时(1PPH "Times New Roman"">)等脉冲信息,以及标准的北京时间时、分、秒、公历年、月、日信息,还可实现工频量的测量,并按照相应的格式经串行口分别输出日期、时间、周波钟、工频量等信息。装置有标准RS232 mso-hansi-font-family:"Times New Roman"">、RS422/RS485 "Times New Roman"">、IRIG-B "Times New Roman"">、DCF77、NTP/SNTP、IEEE1588协议等接口形式。接口数量可根据要求扩展,并可多路输出秒、分、时等脉冲(可随意转换),方便与相关设备的驳接,实现单向或双向通讯。
"Times New Roman"">上海锐呈电气有限公司产品采用SMT
"Times New Roman"">表贴技术生产,以高速芯片进行控制,具有精度高、稳定性好、功能强、无积累误差,不受地域、气候等环境条件限制、性价比高和操作方便等特点。广泛应用于电力系统、网络同步、通讯、交通管理及国防等需要对时、记时、守时等领域。
GPS卫星对时装置 "Times New Roman"">的功能特点
1. 可提供多路脉冲信号、时间报文(RS232 mso-hansi-font-family:"Times New Roman"">、RS422/485 "Times New Roman"">、光)、IRIG-B "Times New Roman"">信号(422、TTL mso-hansi-font-family:"Times New Roman"">、AC "Times New Roman"">、光)、DCF77 "Times New Roman"">信号、NTP/SNTP "Times New Roman"">协议网络时钟同步信号、PTP "Times New Roman"">(IEEE1588 "Times New Roman"">)协议信号、10MHz "Times New Roman"">频率时间同步信号,可以满足不同设备的校时接口要求。
2.面板显示北京时间、日期和可视卫星数,4 mso-hansi-font-family:"Times New Roman"">组脉冲的编程状态、波特率。
3.并行12 mso-hansi-font-family:"Times New Roman"">通道GPS "Times New Roman"">接收机;6通道北斗卫星接收可选配。
4.1PPS(GPS mso-hansi-font-family:"Times New Roman"">)秒脉冲和1PPM "Times New Roman"">分脉冲输出各一路TTL "Times New Roman"">电平,供测试。
5.四个按键设置或修改工作参数,查看内部数据,设置的工作参数掉电不丢失。
6.网络授时功能RJ45 mso-hansi-font-family:"Times New Roman"">以太网接口与客户端校时软件可选配。
7.脉冲空接点数量与IRIG mso-hansi-font-family:"Times New Roman"">-B "Times New Roman"">码输出的接口数量可再扩展。
8.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,同时为将来电厂/
mso-hansi-font-family:"Times New Roman"">变电站改造扩建时增加或更改对时信号接口提供了方便。
GPS卫星对时装置 "Times New Roman"">的技术参数
mso-hansi-font-family:"Times New Roman"">物理及环境参数
"Times New Roman"">尺寸: 19英寸1U/2U mso-hansi-font-family:"Times New Roman"">机箱
"Times New Roman"">重量: <3.6Kg
"Times New Roman"">电源:交流或直流,110/220V "Times New Roman"">±20% ,可定做双电源
"Times New Roman"">工作温度:-10 "Times New Roman"">℃~ 50℃
"Times New Roman"">存贮温度:-25 "Times New Roman"">℃~ 85℃
"Times New Roman"">湿度: 95%无冷凝
"Times New Roman"">功耗: <15W
mso-hansi-font-family:"Times New Roman"">输出信号
mso-hansi-font-family:"Times New Roman"">设备采用全模块化结构设计,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。可提供多路脉冲信号(1PPS/M/H,TTL mso-hansi-font-family:"Times New Roman"">、空接点、差分、24V/110V/220V "Times New Roman"">有源、光)、时间报文(RS232 "Times New Roman"">、RS422/485 "Times New Roman"">、光)、IRIG-B "Times New Roman"">信号(422、TTL mso-hansi-font-family:"Times New Roman"">、AC "Times New Roman"">、光)、DCF77 "Times New Roman"">信号、NTP/SNTP "Times New Roman"">协议网络时钟同步信号、PTP "Times New Roman"">(IEEE1588 "Times New Roman"">)协议信号、10MHz "Times New Roman"">频率时间同步信号,可以满足不同设备的校时接口要求。
GPS接收机
"Times New Roman"">高精度授时型GPS "Times New Roman"">接收机,授时精度优于30ns
"Times New Roman"">捕获时间:冷启动<45 "Times New Roman"">秒 温启动<38 mso-hansi-font-family:"Times New Roman"">秒热启动<5 "Times New Roman"">秒 重新捕获<1 mso-hansi-font-family:"Times New Roman"">秒
"Times New Roman"">接收L1,C/A "Times New Roman"">码信号-1575.42MHz "Times New Roman"">,BNC接口
"Times New Roman"">跟踪/捕获灵敏度:-173dBW /-185dBW
mso-hansi-font-family:"Times New Roman"">抗干扰
"Times New Roman"">在雷击过电压、一次回路操作、开关场故障、二次回路操作及其它强干扰作用下,装置不误动作。
GPS卫星对时装置 "Times New Roman"">的硬件规格
1、机箱:面板成形,喷涂高温烘漆保护
2、面板:高强度铝合金面板,表面拉丝氧化处理
3、安装:19 mso-hansi-font-family:"Times New Roman"">英寸机架
4、输出接口:
a) 1PPS、1PPM mso-hansi-font-family:"Times New Roman"">脉冲信号(空接点)或5V "Times New Roman"">有源脉冲输出
b) 1PPS、1PPM mso-hansi-font-family:"Times New Roman"">脉冲信号(差分信号,即RS-422 "Times New Roman"">电平)
c) 时间日期报文串口(RS232 mso-hansi-font-family:"Times New Roman"">、RS422/RS485 "Times New Roman"">)输出
d) IRIG-B(DC RS mso-hansi-font-family:"Times New Roman"">-422 "Times New Roman"">)时码输出
e) IRIG-B(DC TTL "Times New Roman"">)时码输出
f) IRIG-B(AC)时码输出
g) DCF77信号输出
h)NTP/SNTP网络对时信号
5、输入接口:1 mso-hansi-font-family:"Times New Roman"">路GPS "Times New Roman"">信号输入,BNC "Times New Roman"">接头
6、调试口:板载10 mso-hansi-font-family:"Times New Roman"">针端子排
7、可靠性:平均无故障工作时间≥10000h mso-hansi-font-family:"Times New Roman"">,抗冲击:10g "Times New Roman"">加速度,11ms "Times New Roman"">周期。
8、电磁兼容性
"Times New Roman"">以上是GPS
"Times New Roman"">卫星对时装置的简介