GPS時(shí)鐘系統(tǒng) "Times New Roman"">的信號(hào)接口

(1) 1個(gè)外部參考輸入：GPS mso-hansi-font-family:"Times New Roman"">、北斗接收機(jī)；

(2) 時(shí)碼輸出接口：裝置不僅實(shí)現(xiàn)了板卡全兼容，還提供了豐富的信號(hào)接口資源和開放式特殊接口設(shè)計(jì)平臺(tái)，具備兼容能力。裝置可提供多路脈沖信號(hào)（1PPS mso-hansi-font-family:"Times New Roman"">、1PPM "Times New Roman"">、1PPH、事件，空接點(diǎn)、差分、TTL mso-hansi-font-family:"Times New Roman"">、24V/110V/220V "Times New Roman"">有源、光）、IRIG-B "Times New Roman"">信號(hào)（TTL、422 mso-hansi-font-family:"Times New Roman"">、232 "Times New Roman"">、AC、光）、DCF77 mso-hansi-font-family:"Times New Roman"">信號(hào)（有源、無(wú)源）、時(shí)間報(bào)文（RS232 mso-hansi-font-family:"Times New Roman"">、RS422/485 "Times New Roman"">、光）、PTP "Times New Roman"">、NTP/SNTP "Times New Roman"">網(wǎng)絡(luò)時(shí)間信號(hào)，可以滿足電廠/ "Times New Roman"">變電站內(nèi)不同設(shè)備的對(duì)時(shí)接口要求。

(3) 衛(wèi)星失鎖、電源中斷告警干接點(diǎn)信號(hào)

GPS時(shí)鐘系統(tǒng) "Times New Roman"">的功能特點(diǎn)

1．時(shí)間精度高，達(dá)30nS mso-hansi-font-family:"Times New Roman"">。

2．裝置采用全模塊化即插即用結(jié)構(gòu)設(shè)計(jì)，支持板卡熱插拔，配置靈活，維護(hù)方便。為將來(lái)其它信號(hào)基準(zhǔn)源( mso-hansi-font-family:"Times New Roman"">珈俐略衛(wèi)星信號(hào)、上游地面鏈路的DCLS mso-hansi-font-family:"Times New Roman"">信號(hào)、PTP "Times New Roman"">、NTP時(shí)間基準(zhǔn)信號(hào)等) mso-hansi-font-family:"Times New Roman"">的接入提供了方便，為今后建設(shè)三網(wǎng)合一的數(shù)字同步網(wǎng)打下基礎(chǔ)。同時(shí)為將來(lái)現(xiàn)場(chǎng)改造擴(kuò)建時(shí)增加或更改對(duì)時(shí)信號(hào)接口提供了方便。

3．高可靠性、高冗余度：GPS mso-hansi-font-family:"Times New Roman"">衛(wèi)星、北斗衛(wèi)星冗余組合校時(shí)

4．內(nèi)置低相噪高穩(wěn)雙恒溫槽晶振

5．高準(zhǔn)確度、高穩(wěn)定度、低相位噪聲，無(wú)漂移

6．具有智能學(xué)習(xí)算法

7．馴服、保持工作模式自動(dòng)切換

8．高性能守時(shí)和保持精度

9．顯示

?? "Times New Roman"">指示燈：電源、GPS "Times New Roman"">北斗、1PPS "Times New Roman"">、鎖定

?? "Times New Roman"">面板顯示年月日時(shí)分秒和GPS "Times New Roman"">北斗工作狀態(tài)

GPS時(shí)鐘系統(tǒng) "Times New Roman"">的技術(shù)參數(shù)

1.GPS接收模塊指標(biāo)

(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碼（1.023MHz碼片速率）＋載波跟蹤（載波輔助跟蹤）自動(dòng)運(yùn)行T- RAIM 功能；

(2) 同時(shí)跟蹤12 mso-hansi-font-family:"Times New Roman"">顆衛(wèi)星動(dòng)態(tài)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) 時(shí)間精度：1PPS mso-hansi-font-family:"Times New Roman"">秒脈沖輸出，精度 30nsec mso-hansi-font-family:"Times New Roman"">（平均）；

(4) 手動(dòng)時(shí)區(qū)設(shè)置，GMT-12 mso-hansi-font-family:"Times New Roman"">至GMT+13 "Times New Roman"">；

2.北斗接收機(jī)性能指標(biāo)

mso-hansi-font-family:"Times New Roman"">（1 "Times New Roman"">）冷啟動(dòng)時(shí)間：≤ 2 "Times New Roman"">秒

mso-hansi-font-family:"Times New Roman"">（2 "Times New Roman"">）失鎖重捕時(shí)間：≤ 1 "Times New Roman"">秒

mso-hansi-font-family:"Times New Roman"">（3 "Times New Roman"">）自動(dòng)時(shí)間：2 "Times New Roman"">分鐘

mso-hansi-font-family:"Times New Roman"">（4 "Times New Roman"">）自動(dòng)授時(shí)時(shí)間：1 "Times New Roman"">分鐘

mso-hansi-font-family:"Times New Roman"">（5 "Times New Roman"">）數(shù)據(jù)更新率：1Hz "Times New Roman"">、 8Hz 、 16Hz mso-hansi-font-family:"Times New Roman"">可選

mso-hansi-font-family:"Times New Roman"">（6 "Times New Roman"">）精度：小于 100 "Times New Roman"">米 /95% "Times New Roman"">（輸入高程誤差 10 "Times New Roman"">米）

mso-hansi-font-family:"Times New Roman"">（7 "Times New Roman"">）授時(shí)1PPS "Times New Roman"">精度： 小于 20 mso-hansi-font-family:"Times New Roman"">納秒

3.設(shè)備參數(shù)

(1)電源：ACDC220V±10% mso-hansi-font-family:"Times New Roman"">，20W

(2)工作環(huán)境：溫度-20~70 mso-hansi-font-family:"Times New Roman"">℃，濕度0~90% "Times New Roman"">（不結(jié)露）

(3)存儲(chǔ)條件：溫度-30~80 mso-hansi-font-family:"Times New Roman"">℃，濕度0~95% "Times New Roman"">（不結(jié)露）

4．授時(shí)精度：脈沖、B mso-hansi-font-family:"Times New Roman"">碼：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．時(shí)間保持單元守時(shí)精度：時(shí)間保持單元晶體振蕩器選用OCXO mso-hansi-font-family:"Times New Roman"">，守時(shí)精度優(yōu)于7*10-9(0.42 "Times New Roman"">μS/min) "Times New Roman"">。

6．天線長(zhǎng)度標(biāo)配30m, mso-hansi-font-family:"Times New Roman"">可選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時(shí)鐘系統(tǒng) "Times New Roman"">的質(zhì)量服務(wù)：

1．銳呈時(shí)鐘同步產(chǎn)品，三年質(zhì)保。

2．現(xiàn)場(chǎng)在線運(yùn)行設(shè)備出現(xiàn)故障，維護(hù)人員24 mso-hansi-font-family:"Times New Roman"">小時(shí)內(nèi)到達(dá)現(xiàn)場(chǎng)（特殊情況12 "Times New Roman"">小時(shí)內(nèi)），維護(hù)時(shí)間一般不大于30 "Times New Roman"">分鐘。

3．**工程師為您提供24 mso-hansi-font-family:"Times New Roman"">小時(shí)技術(shù)支持。

GPS時(shí)鐘系統(tǒng) "Times New Roman"">專業(yè)提供商！

?

?