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Meinberg IMS-TCR, Руководство по установке

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7 System Installation

7.3 Use of Coaxial Cable as Signal Conductor

The TCR180 module provides two BNC connectors for providing time code signals to synchronize the system.

Your system must be connected to the TCR180 signal inputs using coaxial cable with the proper character-
istic impedance and adequate shielding.

A mismatched cable impedance will result in signal distortion, while poor shielding can cause signal inter-
ference.

IMS-TCR180

Date: December 17, 2021

17

Содержание IMS-TCR

Страница 1: ...SETUP GUIDE IMS TCR180 Hot Plug Module December 17 2021 Meinberg Funkuhren GmbH Co KG ...

Страница 2: ......

Страница 3: ...d Input 12 5 4 AM Time Code Modulated Input 12 6 Before you start 13 6 1 Contents of Delivery 13 6 2 Disposal of Packaging Materials 14 6 3 Adjusting Input Impedance 14 7 System Installation 15 7 1 Important Information Regarding Hot Pluggable IMS Modules 15 7 2 Installation of Hot Pluggable IMS Modules 16 7 3 Use of Coaxial Cable as Signal Conductor 17 8 Configuration and Status Monitoring 18 8 1...

Страница 4: ...n 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 Website https www meinbergglobal com Email info meinberg de Date December 14 2021 Manual Version 1 01 IMS TCR180 Date December 17 2021 1 ...

Страница 5: ...2 Change Log Version Date Revision Notes 1 0 06 03 2021 Initial version 1 01 12 17 2021 Addition of change log troubleshooting chapter minor corrections 2 Date December 17 2021 IMS TCR180 ...

Страница 6: ...e An optional OCXO MQ or OCXO HQ oscillator is available for higher accuracy Functionality The automatic gain control within the modulated code receiver circuit allows IRIG A B G AFNOR C37 118 or IEEE1344 signals to be decoded with a carrier amplitude of 600 mVpp to 8 Vpp The input stage is electrically isolated and has an impedance of either 50 Ω 600 Ω default or 5 kΩ se lectable using a jumper s...

Страница 7: ...g systems in the IMS product family and can be used in the following slots PWR CLK CPU MRI ESI I O M500 M1000 M1000 S M2000 S M3000 M3000 S M4000 System Compatibility IMS TCR180 IMS System Compatible Compatible IMS Slot Slot Compatibility IMS TCR180 4 Date December 17 2021 IMS TCR180 ...

Страница 8: ... fully before setting up the device for use This device may only be used for the purpose described in this manual In particular the specified operat ing limits of the device must be heeded The person setting up the device is responsible for safety matters in relation to any larger system in which the device is installed Failure to observe these instructions may have an adverse impact on device saf...

Страница 9: ...to an uncoated non conductive metal part of the system Use only tools and devices that are free of static electricity When transporting devices Devices must only be touched or held by the edges Never touch any pins or conductors on the device When dismantling or installing devices Avoid coming into contact with persons who are not grounded Such contact may compromise your connection with the earth...

Страница 10: ...d personnel 4 4 Handling of Batteries WARNING The lithium battery on the receiver modules has a life of at least ten years Should it be necessary to replace it please note the following Improper handling of the battery can lead to an explosion or to a leakage of flammable liquids or gases Never short circuit the battery Never attempt to recharge the battery Never throw the battery into a fire The ...

Страница 11: ...r may be observed in the reference clock The reference clock may have the wrong date or wrong date upon power up The reference clock repeatedly starts in Cold Boot mode Some of the configurations saved for the reference clock may be lost 4 5 Cabling WARNING Danger of death from electric shock Never work on the system while the power is live Always disconnect the cables from the devices at both end...

Страница 12: ...Connectors and Indicators IMS TCR180 5 Module Connectors and Indicators IMS TCR180 1 2 3 4 The numbering in the drawing above relates to the relevant subsection in this chapter IMS TCR180 Date December 17 2021 9 ...

Страница 13: ...ut Red IRIG receiver has not received a valid code at the input Yellow TCR180 is synchronized against an external source MRS Yellow green flashing Holdover mode MRS IRIG code available Yellow red flashing Holdover mode MRS IRIG code not available Tele LED Green Telegram consistent Red Telegram not consistent Yellow flashing Jitter too high Fail LED Red Clock is running on oscillator holdover mode ...

Страница 14: ... Default Pin Layout Pin 2 RxD receive Pin 3 TxD transmit Pin 5 GND ground Connector Type D Sub Male 9 Pin Cable Data Cable Shielded PC Connector 1 1 Synchronization using PPS String Pin 1 PPS Signal Type TTL Pulse Length 5 µs Active High Pin 2 String The following time strings can be used NMEA RMC NMEA ZDA Meinberg Standard Uni Erlangen IMS TCR180 Date December 17 2021 11 ...

Страница 15: ...220 Ω Max Input Current 60 mA Connector Type BNC Female Insulated Cable Coaxial Cable Shielded TC DCLS In 5 4 AM Time Code Modulated Input Input Signal Unbalanced Sine Wave Signal Signal Level 600 mVpp 8 Vpp MARK SPACE 600 Ω Termination Insulation Voltage 3000 V DC Connector Type BNC Female Insulated Cable Coaxial Cable Shielded TC AM In 12 Date December 17 2021 IMS TCR180 ...

Страница 16: ...einberg de Check that the product has not been damaged in transit If the product is damaged or fails to operate upon installation please contact Meinberg immediately Only the recipient the person or company receiving the system may file claims or complaints against the forwarder for damage caused in transit Meinberg recommends that you keep the original packaging materials in case the product need...

Страница 17: ...arbitrary values which in turn means that not all devices are compatible with one another For example if the time code generator has a large output impedance and the time code receiver has a low input impedance the signal level at the receiver input may be too low to read This is why the IMS TCR180 has been equipped with an input impedance jumper which can be used to adjust the module to a variety...

Страница 18: ...ving or replacing it in order to keep your system on I O ESI and MRI Slots Hot Pluggable CLK1 CLK2 Hot Pluggable When a clock module is replaced or installed it is important to rescan Slots the reference clocks Rescan Refclocks in the System menu of the Web Interface RSC SPT Slots Hot Pluggable It will not be possible for your IMS system to switch between signal generators while the RSC SPT is not...

Страница 19: ... must be pulled carefully out of the guide rail Note that the module will be securely seated in the connector block inside the chassis a certain amount of force must be applied to release the module Once the module has been detached from the connector block in the system backplane the module can be easily pulled out 4 Please note when installing modules Ensure that the module is correctly inserted...

Страница 20: ... code signals to synchronize the system Your system must be connected to the TCR180 signal inputs using coaxial cable with the proper character istic impedance and adequate shielding A mismatched cable impedance will result in signal distortion while poor shielding can cause signal inter ference IMS TCR180 Date December 17 2021 17 ...

Страница 21: ...e to be provided via output modules can be set Open the Clock menu the Status Configuration submenu and select the IRIG Settings TAB Parameters to be configured Input Code Select the input code to which the module should synchronize UTC Offset If the applied timecode is impinged with a constant time offset to UTC this time offset must be configured here so that the clock can convert the received t...

Страница 22: ...r redundant receiver configurations via the switchover card menu The time codes for the signal outputs can be provided for example by a BPE module of the 2000 series which has time code outputs Time Scale The output of the selected time code can be done with UTC or the local time When LOCAL TIME is used it refers to the configuration of the menu point Time zone IMS TCR180 Date December 17 2021 19 ...

Страница 23: ... and select the MRS Settings TAB Now select IRIG from the drop down menu of the 1st source 8 3 MRS Status Open the menu Clock Status Configuration and select the MRS Status TAB The TAB MRS Status provides an overview of the most important parameters of all previously configured MRS sources Among other things the current status and offset of the reference signal can be read 20 Date December 17 2021...

Страница 24: ...tly flush with the metal plates of the other slots and the screws should be straight Your IMS device s firmware may Using the instructions in the chapter not be up to date Firmware Updates in your IMS device manual check whether the latest version of the LANTIME OS Firmware is installed and install the latest version if necessary Even though a valid signal The incoming time code signal does Ensure...

Страница 25: ...figuration and status monitoring Be a part of the ongoing improvement of the information contained in this manual Please contact our Technical Support team if you have any suggestions for improvements or technical questions that are relevant to the manual Meinberg Technical Support Phone 49 0 5281 9309 888 Email techsupport meinberg de 22 Date December 17 2021 IMS TCR180 ...

Страница 26: ... polybrominated biphenyls PBBs polybrominated diphenyl ethers PBDEs bis 2 ethylhexyl phthalat DEHP benzyl butyl phthalate BBP dibutyl phthalate DBP or diisobutyl phthalate DIBP above the legal limits WEEE status of the product This product is handled as a B2B Business to Busi ness category product To ensure that the product is disposed of in a WEEE compliant fashion it must be returned to the manu...

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