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Shandong Weishang Electronics Co., Ltd

E-mail
2646605907@qq.com
Phone
15314106850
Address
67 Huayang Road, Jinan City, Overseas Chinese Entrepreneurship Park

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Beidou network synchronous clock

NegotiableUpdate on 02/14

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Beidou Network Synchronous Clock is a solution that provides accurate, standard, secure, reliable, and multifunctional time services for network devices. It can provide accurate synchronous clock signals, support standard NTP and SNTP network timing protocols, use secure MD5 protocol and certificate encryption method, and has complete logging and USB port download functions. It can support NTP network timing, serial timing, 10MHz frequency signal, 1PPS pulse signal output, dry contact alarm signal and other functions.

Product Details

Beidou network synchronous clockIt has dual functions of master clock and expansion device, and adopts a flexible plug-in card design. The specific functional features are as follows:

Flexible configuration, supporting hot swapping function;

Equipped with clock control and high-precision holding function, optional addition of rubidium atomic clock:

support4The input board can be configured as a Beidou satellite receiving boardGPSReceiving boardBCode input board orNTPNetwork board, etc;

Dual power redundant waste heat backup;

support7Circuit output board, capable of supporting up to84Road school time interface;

Device Network Management: ThroughWEBThe method enables remote management of devices, managing satellite reception status, device operating status, parameter settings, and user information.

Beidou network synchronous clocktechnical indicators

GPSreceive

Receiving frequency:1575.42MHz

Receiver sensitivity: Capture<-130dBmTracking<-130dBm

Simultaneous tracking: Under normal conditions, it can be tracked simultaneously12pieceGPSsatellite

When the device is cold started, it should not be less than4Satellite;

When the device is hot started, it should not be less than1A satellite.

Capture time: less than when the device is cold started5minWhen the device is hot started, it is less than1min

Power consumption: ≤15W

Average * Interval Time(MTBF)≥50000Hour, average maintenance time of master clock（MTTR）Generally not greater than30The service life shall not be less than20Year. Under normal usage conditions, no maintenance is required.

GPSOutput time and Coordinated Universal Time（UTC）Time synchronization accuracy: ≤100ns

Equipped with a constant temperature crystal oscillator timing function, the clock accuracy of the time keeping unit is better than7×10-9

Time message

Interface standard:RS-232C, default baud rate9600

Data bit:8Position, starting position:1Position, stop position:1Bit, checksum: None

Message sending time method: Output once per second (frame).

Serial data channel interfaceRS-232/RS485

interfaceRS-232Electrical characteristic symbolsGB/T6107-2000（ITU-TsuggestionV.28）；

interfaceRS-422Electrical characteristic symbolsGB-11014-90（CCITTsuggestionV.11）；

interfaceRS-485Electrical characteristic symbolsEIA/485（CCITTsuggestionV.28）.

Serial communication speed:1200bpsThe2400bpsThe4800bpsThe9600bpsOptional.

NTPnetwork interface

network protocol

NTP v2, v3 & v4 (RFC1119& 1305)

NTP broadcast mode

SNTP Simple Network Time Protocol

（RFC2030）

Telnet

（RFC854）

DHCP

（RFC2132）

Time accuracy (first level network time server)

per secondNTPrequest volume	Time marking accuracy	Capable of handling user terminal requests
0～1000	1~10ms	48,000
1000～10000	10~100ms	96,000

Network interface:10/100Adaptive Ethernet interface;RJ－45

The fully modular structure design allows for flexible configuration of inputs, outputs, power supplies, etc., and offers a wide range of modules and boards for selection (customized services can be provided for special needs). The types and quantities of timing signals can be flexibly configured according to needs.

alarm output	When system abnormalities or signal loss occur, there will be alarm information displayed or jump time protection. In addition to its own alarm indication (front panel alarm menu), the device also provides relay contact alarm signals, making it convenient for users to access the centralized monitoring system when necessary. Interface type: relay idle contact; Alarm type: Provide device power lossBCode source, Beidou sourceGPSAlarm outputs such as source anomalies; Voltage resistance value:≤250V.
1PPS 1PPM 1PPH	On time edge: rising edge, rising time≤ 100ns； Time accuracy: better than200 ns； Pulse width:200ms	RS485level output	≤84road
	On time edge: rising edge, rising time≤ 1 μs； Time accuracy: better than3 μs； allowVcevoltage:：300 VDC； allowIceelectric current:50 mA. Pulse width:200ms	Static air contact output	≤84road
	On time edge: rising edge, rising time≤ 100ns； Time accuracy: better than200 ns； Pulse width:200ms	fiber optic output	≤84road
IRIG-B（DC）Code	Pulse rise time:≤100ns(RS485And fiber optics) 800ns(Empty contact point)Shake range:≤200 ns； Time accuracy of seconds on time edge: better than1 μs；	RS485level output	≤84road
IRIG-B（DC）Code		Static air contact output	≤84road
IRIG－B(AC)code	carrier frequency1 kHzSignal amplitude (peak to peak): The high amplitude is3V～12VAdjustable, typical values are10 V； Low amplitude compliance2: 1～6 : 1Modulation ratio requirement, output impedance:600ΩTransformer isolation output; Time accuracy on time: superior to10 μs；	communicationBCode output	≤84road
Serial port time message	Data format:xxxx,n,8,1, support1200~19200Baud rate, default9600； Message format: customized by the user;	RS232terminal	≤84road
Serial port time message		RS485terminal	≤84road
NTPNetwork timing	LAN:<10msWide Area Network10ms～100ms	RJ45	≤7road

Can provide timing services for the following devices: LAN time synchronization, plant wide computer monitoring system, protection devices, fault recorders Event sequence recording device, safety automatic device, remote controlRTUAnd various levels of energy management systems, dispatch automation systems, distribution network automation systems, power load management systems, electric energy billing systems, grid frequency second assessment systems, synchronous phasor measurement devices（PMU）Line fault traveling wave distance measuring device, various information management systemsMISPower Plant Electrical Monitoring and Management System(ECS)TheDCSSystem, coal transportationPLCAsh removalPLCChemical waterPLC, desulfurizationPLCSynchronize the waiting time to make the power plant/Each equipment in the substation has a unified time reference.