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Meinberg IMS-GNS181, Setup Manual

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1 Imprint

1 Imprint

Meinberg Funkuhren GmbH & Co. KG

Lange Wand 9, 31812 Bad Pyrmont / Germany

Phone:

+ 49 (0) 52 81 / 93 09 - 0

Fax:

+ 49 (0) 52 81 / 93 09 - 230

Internet: https://www.meinbergglobal.com
Mail:

[email protected]

Date:

2020-03-20

IMS-GNS181 Setup Guide

Date: 20th March 2020

1

Summary of Contents for IMS-GNS181

Page 1: ...MANUAL IMS GNS181 Setup Guide Hot Plug Module 20th March 2020 Meinberg Funkuhren GmbH Co KG...

Page 2: ......

Page 3: ...5 3 1 Important Hints for hot pluggable IMS Modules 6 4 GNSS Receiver 7 4 1 Configuration of IMS Modules via Web Interface 9 4 1 1 Clock 9 4 1 2 Front Display Root Menu 27 4 1 3 Menu Reference Time 29...

Page 4: ...unkuhren GmbH Co KG Lange Wand 9 31812 Bad Pyrmont Germany Phone 49 0 52 81 93 09 0 Fax 49 0 52 81 93 09 230 Internet https www meinbergglobal com Mail info meinberg de Date 2020 03 20 IMS GNS181 Setu...

Page 5: ...k to the manufacturer for maintenance Exchange of hot swap components Ensure that components which will be replaced during operation always be treated with the utmost care Avoid contact with live comp...

Page 6: ...on of high voltage devices 2 2 Supply Voltage WARNING This device is powered by a dangerous voltage Nonobservance of the safety instructions of this manual may lead to serious damage to persons and pr...

Page 7: ...r work done the connectors particularly when connectors are opened may never be carried out when the installation is energized All connectors must be covered to prevent from accidental contact to life...

Page 8: ...built in module Pull the module carefully out of the holding rail Note that the module is firmly anchored in the connector block of the housing You need a certain amount of force to release the module...

Page 9: ...operate your system with only one power supply a second power supply must be installed before removing replacing it to keep your system functioning I O ESI and MRI Slots hot swappable CLK1 CLK2 hot s...

Page 10: ...enna Cable shielded coax cable Belden H155 PE Cable Length max 70 m low loss cable Belden H155 Type of Connector female SMA connector Power Requirements 5 V max 100 mA via antenna cable Figure right G...

Page 11: ...e telegrams can be used NMEA RMC NMEA ZDA Meinberg Standard Uni Erlangen COM Pin Assignment of the optional XHE SPI Connectors A1 PPS In A2 PPS Out Pin 1 SCL_Out SPI Clock Pin 2 CS Chip Select Pin 3 M...

Page 12: ...on the design of the system which means whether it is a single reference clock or a system with two installed remote clocks and a changeover card the web interface builds up accordingly This also appl...

Page 13: ...onizes itself to the reference source Is accurate Basic accuracy of synchronization reached Offset Time difference of the reference clock to the specified time source Statistics Span If the difference...

Page 14: ...low in case that a master reference becomes unavailable The selection of signals in the list is automatically generated by the LANTIME according to the hardware configuration The priority list of inpu...

Page 15: ...es for available references To ensure that IRSA is working properly follow these steps 1 Configure a priority list of available reference signals in descending order from the superior to inferior one...

Page 16: ...the ToD The oscillator will be roughly adjusted until it reaches the highest level of accuracy that can be achieved by this reference After that the reference clock switches automatically to a more ac...

Page 17: ...ther positions should be left empty see chapter MRS Source Priority Second the IRSA Reference algorithm should be activated with corresponding precisions see chapter IRSA Intelligent Reference Selecti...

Page 18: ...thout a time step in case GPS becomes unavailable If PTP is then a primary sync source and an asymmetry step suddenly occurs in the network due to path rearrangements e g the occurring asymmetry step...

Page 19: ...compensated No constant offset can be set for GNSS references this can only be done indirectly with the antenna cable compensation time Limit Here you can configure a limit value If the reference sou...

Page 20: ...ion to a two digit year the offset to the UTC time the current daylight saving time status and announcements from the start and the end of the summer time as well as information about an upcoming leap...

Page 21: ...tures MRS PPS Plus String If the system has the MRS PPS plus string option the baudrate and framing for the incoming time string must be configured via this submenu Meinberg Capture only for specific...

Page 22: ...see chapter System Display 4 1 1 11 Enabling the Outputs Optionally the outputs of the reference clock can be set to always supply a signal when the device is switched on or only when the internal cl...

Page 23: ...a shutdown time for the output port so that in the case of an asynchrony of the reference clock no DCF mark is available at the output On Off Time For the Timer mode it is possible to configure start...

Page 24: ...frequency range By entering the frequency 0 Hz the synthesizer can be switched off Phase With phase you can enter the phase position of the set frequency in the range 180 to 180 with a resolution of 0...

Page 25: ...tenna cable can be compensated by this value The received time signal is delayed by approx 5ns m when using RG58U and 4ns m when using H155 antenna cable This time error is automatically compensated b...

Page 26: ...enu a warning message will appear in the browser window Please Note If the GPS receiver is configured to output GPS or TAI timescale instead of UTC the distributed time via NTP isn t based on UTC then...

Page 27: ...1 1 15 Initialize Receiver Warm Boot Mode only for GNSS receiver This menu allows the user to switch the receiver to WARMBOOT MODE This may be necessary if the satellite data in the battery buffered...

Page 28: ...horizon at its geographic position and can potentially be tracked All these satellites are called to be in view However even some the satellites that are in view may be shielded by buildings mountains...

Page 29: ...system the order of the active and the reserve system is exchanged at every change over For example if the active system switches to the free running mode while the reserve system is operating synchr...

Page 30: ...ATION MODE option is enabled an will be shown behind the time The multicolor LEDs will reflect the current state of the device Ref Time green the reference clock produce valid time red the reference c...

Page 31: ...Network System Info REFCLK Setup REFCLK Set Outputs Setup MRS external NTP Local Strat Restart NTP PTP IEEE1588 Ref Time Time Service Network System Interfaces Global Cfg Services Ref Time Time Servic...

Page 32: ...stem YES NO MRS System Select Clock YES NO MRS Set MRS Info IRIG Receiver Setup REFCLK Set Outputs Info REFCLK Setup MRS REFCLK GPS GLN PZF MSF WWVB JJY The Reference Clock menu and all its sub menus...

Page 33: ...LK1 CLK2 If the second clock is not connected or in free running mode the display shows CLK2 0 If there is no power connected on PSU1 you can see the status PSU1 0 on the display of the LANTIME With t...

Page 34: ...tus of the MRS All possible reference clocks will be shown with the number of priority the name of the reference clock and the current offset to the inter nal reference clock OCXO The current master w...

Page 35: ...e The hold over time will be recalculated if the status of the reference clocks will change MRS Status Priorities Fix Offsets Precisions 0 GPS 30s 1m54 1 NTP 6 000us 2 PPS n a 3 PTP n a OK 4 1 3 3 Men...

Page 36: ...stance Ref Time Time Service Network System GNSS Refclock MSF WWVB JJY PZF OK Status Version Trans Distance OK OK Info TCR Setup TCR Version Info Recv State OK IRIG Galileo BeiDou GPS GLONASS In this...

Page 37: ...ATE CORR 1 State check FIELD 94 PZF STATE CORR 97 State fine FIELD 94 OK Status Version Tran Distance Status Version Tran Distance OK REF STATE State SYNC FIELD 100 REF CLOCK REF vX XX State SYNC S N...

Page 38: ...eeded Bit is set TCAP exceeded is cleared if the measured jitter is below 100us Lock on Lock On is set whenever the receiver is in synchronous mode and the internal oscillator correc tion value has se...

Page 39: ...st be entered here The GPS and GLONASS reference clocks can be run in simulation mode Meinbergs PZF correlation receivers can be operate in simulation mode as well In addition to that the distance to...

Page 40: ...the initialisation starts The system starts operating in the COLD BOOT mode and seeks for a satellite to read its actual parameters GNSS Cold Boo GNSS Warm Boo Set Position Set GNSS Time INITIATE COL...

Page 41: ...clock keeps a wrong time the receiver is unable to compute the satellites correct elevation angles and Doppler This submenu enables the user to change the receiver s system time for initialisation Aft...

Page 42: ...user configure at which time after power up the serial ports and pulse frequency outputs are to be enabled Outputs which are shown to be enabled always will be enabled immediately after power up Outpu...

Page 43: ...the on request is activated you have to send the character to get the timestring Defaultsettings COM0 Speed Framing Mode Signal Type 19200 baud 8N1 per second Meinberg Standard This topic is used to...

Page 44: ...OK Beginning and ending of daylight saving may either be defined by exact dates for a single year or using an algorithm which allows the receiver to re compute the effective dates year by year The fi...

Page 45: ...o be generated by internal reference clock Most IRIG Codes do not carry any time zone information hence UTC is selected for output by default If desired the clocks local time can be output by selectin...

Page 46: ...tive high or low Cyclic Pulse mode generating of periodically repeated pulses The value of Time determines the time between two consecutive pulses This cycle time must be entered as hours minutes and...

Page 47: ...All Sync Three different modes are selectable for output of the clocks synchronization state The Mode Position OK activates the output when the receiver has sufficient satellites in view to calculate...

Page 48: ...least significant range has been selected valid fractions of the frequency are 0 1 displayed as 1 8 3 displayed as 1 3 5 and 6 displayed as 2 3 Selection of 1 3 or 2 3 means real 1 3 or 2 3 Hz not 0 3...

Page 49: ...tionary Installation The Multi GNSS Antenna is an active GNSS antenna which can receive the signals of the GPS GLONASS Galileo and Beidou satellite systems It is very well suited for stationary instal...

Page 50: ...tive anti fall equipment WARNING Working on the antenna system during thunderstorms Danger to life due to electrical shock Do not carry out any work on the antenna system or the antenna cable if there...

Page 51: ...stallations Figure Installation drawing RV 76G antenna WARNING Antenna mounting without effective anti fall protection Danger to life due to fall Pay attention to effective working safety when install...

Page 52: ...Normal Operation If no valid data can be found in the battery buffered memory e g because the battery has been discon nected or replaced the receiver has to scan for satellites and collect the current...

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