- 型号:
- W9006C
- 规格:
- 1U19英寸机箱
- 重量:
- 5KG
School time server
Jinan Weishang Electronics Co., Ltd. has many years of research and development experience in the field of time synchronization. It responds to the network and inter-city time unified systems of the vast number of financial, public security, meteorological and other public departments. requirements, from the perspective of ensuring national security, using the current advanced circuit integration and software programming technology, combined with the respective technical characteristics of global satellite navigation systems such as the United States and China's Beidou, to achieve multi-source input
(Network
/,
, Beidou, high-precision timing
), multi-standard output (
, air contact,
B, differential, serial port, network, optical fiber etc.), applicable to multiple devices
(The system output can be expanded arbitrarily and can meet the time signal requirements of any scale and in any way
), suitable for power, finance, rail transit, meteorology, waterway water transportation, post and telecommunications and Related fields provide high-precision, high-stability, high-security, and high-reliability network time reference signals. The device is embedded with internationally popular
/ protocols to synchronize all computer servers, controllers and other equipment in the network to achieve network time synchronization
, which is to provide accurate, standard, safe and reliable clock synchronization for network equipment. Best choice for service.
The time correction server
can be expanded through Ethernet,
infinite cascading, and uses the second synchronization signal and Time information provides accurate time information and time synchronization signals to various systems and automation devices. It can fully meet the various requirements of the "Technical Specifications for the Unified Clock System of East China Power Grid", "Technical Principles and Operation Management Regulations for Time Synchronization System of Shanghai Power Grid" and "Technical Specifications for Time Synchronization of Power Systems", and is especially suitable for applications distributed in different Unified timing for different systems in different locations. Since its launch on the market, the product has withstood numerous on-site operation tests and has been recognized and trusted by the majority of users.
The equipment is produced using surface mount technology, controlled by high-speed chips, and has no hard disk or fan design. It has high precision, good stability, strong functions, no accumulated errors, is not restricted by environmental conditions such as regional climate, and is cost-effective. , simple operation, fully automatic intelligent operation, maintenance-free and other characteristics, suitable for unattended operation. The device can provide precise standard time signals and time stamp services for computer networks, computer application systems, process control management systems, e-commerce systems, online BB systems, and database storage and maintenance systems.
Characteristics of time correction server
High-precision time synchronization, signal output and timekeeping technology
) High synchronization accuracy with external synchronization clock signal, synchronization accuracy is better than
b) Using multi-synchronization self-adaptive synchronization technology, the synchronization accuracy is better than
) Time message output adopts dual
parallel processing technology, and the serial port message sending time is on the right edge of seconds , the error is not greater than
+
) The pulse output adopts a pulse large current generating circuit, so that the photoelectrically isolated empty contact can output a high-precision pulse signal, the error is not greater than
) It adopts no overshoot
B() code generation technology produces high-precision
B() codes with accuracy up to
). Supports network protocols:
,
,
, and
, the accuracy can reach
~
Convenient and fast way to build a networked system
) with multiple physically isolated mutually independent
/network ports (each port With independent
address),
the address can be configured flexibly, and supports different subnets or different physically isolated networks
b) Supports obtaining the time of the superior time server through network protocol
As a local benchmark, the signal also provides
R services, providing time signals for tens of thousands of clients, servers, and workstations, achieving accurate and unified time for large-scale network systems
) support
/,< br/>,
,
R,
,
- and other operating systems and network devices such as routers, switches, intelligent controllers and other network devices that support the
protocol
Stable and reliable operation guarantee mechanism
) supports simultaneous access
, Beidou, and network
and seamless switching between different signals, ensuring the safety and reliability of the timing system
b) Supports dual-machine hot standby function and safety redundancy through network interface
) The chassis is treated with anti-magnetic treatment and has strong anti-interference ability
) All signal output ports are optically isolated and electromagnetic The anti-interference reaches the level
standard. A short circuit of one output signal will not affect other output signals
) The receiving antenna adopts a lightning protection design and has high signal reception reliability. It is not restricted by the regional conditions and environment of the power plant/substation. There are roof and window antennas to choose from. (Must be specified when ordering)
) And use high-performance, wide-range switching power supply to ensure stable and reliable operation.
A variety of time synchronization format output and interface methods to meet the needs of different users
) The device can provide multiple pulse signals (
,
,
, events, Null contact, differential,
,
active),
signal (
,
,
), time message (
R/ ),
Network time signal.
b) Using
or
standard chassis, the screens can be grouped separately for easy maintenance and management.
Friendly human-machine interface, convenient maintenance method
) Beautiful LCD screen and practical menu interface, with up to six operation buttons, you can easily view information and set parameters
b) A variety of working status indicators reflect the operating status of the device in real time, facilitating daily inspections by operation personnel
) Supports power interruption and lost dry contact signal alarms (must be stated when ordering)
/>)The operating status of the device can be uploaded to the dispatch center through the
protocol.
Technical parameters of the time correction server
Network time synchronization interface:
The multi-channel network (
R) port uses Ethernet to output
service as a time synchronization server Unify the timing of other computers and network devices in the network. The address of the device can be set to act as a secondary time server in the event of signal loss. This device currently uses protocols:
(
r),
(
r),
protocol
(r) and serial port custom protocol (
code). Can provide software installation and use based on multiple operating systems.
Serial interface:
R3/R(R) output, baud rate
(,) can be set
B format output:
.DC bias output< br/>,B. Sinusoidal modulation output
Programmable pulse output:
The output pulse can be programmed as second pulse
, minute pulse
, and hour pulse
through the panel. >Wait, signal pulse width
Empty contact output:
pieces
(can be set
) Level output:
pieces
(can be set)
Mean time between failures (B) hours, average maintenance time (R): generally not more than 3 minutes, service life not less than years. No maintenance is required under normal use conditions.
Time to obtain data:
First local boot:
seconds
Reboot after location change:
Seconds
Reboot without changing location:
Seconds
Instantaneous power outage and restart:
Seconds
Position accuracy:
.' Time accuracy:
Output port characteristics:
Null External voltage between contacts
:
<
Allowable current between empty contacts
:
<
Typical performance of time calibration server:
Shenzhen Leader Step Technology, Beijing Taiji Computer, Hikvision, Datang Mobile, Hubei Digital Certification Management Center, Shandong Liyan Power Plant, China Post, Shenyang Huidong Pipeline, Nanning Power Supply Company, Zhaoqing Power Supply Company, Zhangzhou Power Supply Company