TICRO 100 - Application Note - All
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1. Figure 14 red IRIG B ST Fiber disconnected Figure 15 RET670 IRIG B Figure 16 RET670 Event log Signal lost not synchronized When the connection between the RET670 and the TICRO 100 is re established and the synchronization works properly again the parameters in the display change back to normal operation See Figure 13 The same behavior can also be monitored in the internal event log of the RET670 Navigate to RET670 Diagnostics Internal events see Figure 16 Here all events including the time synchronization are monitored Figure 16 shows the synchronization events when the optical connection is established Off disconnected On and reconnected Off All Events are time stamped by the RET670 with an accuracy of 1 ms The advantage of the IRIG B synchronization compared to other synchronization methods is that a client only needs a few seconds to detect verify and lock to the IRIG B signal OMICRON E LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 12 of 19 5 Summary In this application note it was demonstrated how easy it is to integrate a non PTP compliant IED into an IEEE 1588 PTPv2 infrastructure using the TICRO 100 The TICRO 100 can be easily configured via its web interface It can be connected via RJ45 or the optical SFP Interface to the PTP network Additionally it is possible to configure the TICRO via USB without the need of any2. OMICRON as LAB TICRO 100 Application Note synchronize Protection Relays ABB RET6 70 to IEEE 1588 PTPv2 oe gt AN gt NY By Wolfgang Schenk 2014 by OMICRON Lab V1 00 Visit www omicron lab com for more information Contact support omicron lab com for technical support Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 2 of 19 Table of Contents 1 EXECUTIVE SUMMARY gscieveseceechecicscececccszcsaveccinsoseceretencdevateccasecsavetetsadcodecsnecaseteecancetausaiuctnedansetoassecstocsneceiecsweesvens 3 2 TECHNICAL BACKGROUND seeseoseeseossosessssessecsecsecsecsecsecsscsssessecsecsscsssscsecsecsecsecsecsscssosssessecsecsecsecsscsscsseesse 3 2 1 THE IRIG B TIME ree eee ae eet Penn tostor estro trn ee me an ene meen eee eee 3 2 2 PRECISION TIME PROTOCOL PTP IEEE 1588 2008 c cccccsssssseceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 3 2 3 WHY TO USE THE OPTICAL INPUT OF THE RE I 67O wwiivsiccccsctssccadcvacecieveced shacevnecncentecciacesasensdonountevteaccuceveneeneetourcsdcusseds 4 3 APPLICATION SETUP eco rcs sce cnc se cececs cece coe tscecezecuveceicesecestoeisoceiceceseetecacacessnecanetenccnnessnecescteecancesiucessesaee 5 IT ea DIORA ee E On en ee eR ne ne ene 5 3 2 CONNECTING THE RET670 TO THE TICRO 100 c cece cecccssccceccccccuscccecccuececeuccucecuucenscecueceuscccu
3. Address Conflict Detection B Software q External Memory E Fort Configuration Sync Lower Bound ns Sync Upper Bound ns Enable PTP Management Status Is Synchronized Max Offset Absolute ns 801 HT Boundary Clock EE Oe Transparent Clock H 4 Network Security 1 9 Switching H Diagnostics H Advanced H Hep PTF Time Jul 22 2014 11 57 17 AM Figure 20 Global PTP Settings of the PTP Switch RSP20 Smart Timing Solutions EE TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 16 of 19 Navigate to Section Time PTP Transparent Clock Global and apply the following settings Figure 21 Delay Mechanism P2P Primary Domain 0 Network Protocol IEEE 802 3 VLAN ID 0 VLAN Priority 4 Note The settings above represent the same settings as set for the OTMC 100 PTP Masterclock The delay mechanism P2P and the network protocol IEEE 802 3 are mandatory settings for the PTP profile Power Systems selected at the OTMC 100p The VLAN Priority need to set to the same value like the parameter Vlan PCP at the OTMC 100p Figure 19 Syntonize On Synchronize local clock On Remark The settings Syntonize and Synchronize local clock are necessary to check and debug the PTP network settings ARP Table LA P Address Conflict Detection 2 i Software fel Loaa Save e External Memory E Port Configuration D Network Protocol IEEE
4. LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 15 of 19 Tab Port Settings Figure 19 l Transport IEEE 802 3 E lt ECA oe General Settings Default Settings Port Settings Altern Vlan ID 0 Network Vian PCP 4 Transport IEEE 802 3 Vlan ID Note The Vlan PCP value represents the Priority Code Point It is equal to the vlan PCP Log sync interval o 2x5 Vlan priority Log min pdelay request interval p 2x5 Log announce interval g 2x5 Note All not mentioned parameters in the p Announce receipt timeout 3 figures above are not changed from their default values The setting of these parameters are optional Figure 19 Default Settings of OTMC 100 b PTP Settings of the Hirschmann RSP20 For this application note a RSP20 DIN rail switch from Hirschmann was used as PTP switch In addition to the time synchronization the switch is also used for common data traffic This switch needs to be configured to the same PTP profile as the OTMC 100 It needs to be configured as a transparent clock according to IEEE 1588 PTP Follow these steps to configure the correct PTP profile via the web interface of the switch Navigate to Section Time PTP Global and apply the following settings Figure 20 Operation IEEE1588 PTP On PTP Mode v2 trandparent clock 8 20 BRK Elly Basic Settings f system e PTP Global lM IP
5. Output muting O Output muted Figure 8 Sets the Fiber Output 5 of the TICRO 100 to 1PPS Remark The IRIG B pattern and the 1 PPS pulse are both in line with UTC Therefore the data acquisition of the merging unit will be in line with the system time of the IED OMICRON E LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 9 of 19 3 4 3 Output overview All settings can be monitored at Status Output Overview Figure 9 M TICRO 100 H PTP Time Terminal OMICRON N LAB Help Support Manual Logout Ey Overview G 1 BNC G 2 BNC G 3 0C G 4 Fiber G 5 Fiber Output G 10 Mrz Active G1 BNC IRIG B006 edit Overview AET KD G2 BNC 1PPs edit gt 3 OC 1PpPs edit PTP ed ae 4 Fiber IRIG B006 edit a G 5 Fiber iPPs edit far an Network Clock information Device status Locked Outputs active When locked or in hold over Current timezone Europe Berlin OCXO tuning value 45 46 aor Viewer Figure 9 Overview of the TICRO 100 output settings On the overview page the status of all outputs is visualized If an output is active a green indicator is shown In addition the Device status of the TICRO 100 is shown When all PTP settings match the device status will be Locked 3 5 IRIG B Settings at the RET670 from the fr
6. a ee ernel version 3 4 35 most likely some of the settings mentioned in the previous Hardware revision opaz section do not match to the grandmaster clock settings To uptime dds tiie Or ees overcome this situation follow the extended check explained below Figure 22 TICRO 100 Device status locked Extended check on the TICRO 100 Port First it needs to be verified if the used Grandmaster clock ig Port state locked to GPS and provides valid PTP packages If this is ta the case navigate to TICRO 100 Status PTP section Port ea ii and check Figure 23 Announce receipt timeout 3 Z Port State Slave _ nine i interval is 9 eer mean path delay i Peer mean path delay 3 nS Delay asymmetry Ons Profile ID 1 12 9d 00 00 00 An indication that the PTP settings match is when the ae is ee Joa VLAN ID parameter Peer mean path delay in section Port slightly Upee changes During PTP synchronization this value is never Ee a constant Figure 23 TICRO 100 Status PTP Port When the port state is Listening Unlocked or Uncalibrated i f f f OCK identity Ds CUNT Te 00 30 the following parameters Clock identity and Grandmaster rece ts PVN Lees identity should be checked Domain number 0 Navigate to TICRO 100 Status PTP and check Figure 24 etme inaccuracy Section Default Network time inaccuracy Ons Clock Identity 20 b7 c0 ff fe 00 3d ad Section Parent a 10 Port
7. of the TICRO 100 since the TICRO 100 supports electrical opto coupler and optical outputs see 3 page 4 The main reasons to use the optical interface are its reliability and immunity against EMI The optical link can cover a cable length from a few meters up to 2 km using 62 5 125 um multimode fiber without any restriction regarding the signal quality In comparison an electrical IRIG B link is limited to 100 m using unmodulated signals or 300 m using modulated signals In a substation setup the optical fiber can cover any ordinary distance with a single link The optical fiber offers a perfect insulation between the transmitter and receiver of the time synchronization network There is only one restriction which should kept in mind The average signal delay across an optical or electrical link is about 5 ns m gt EMI Electro Magnetic Interference OMICRON N LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 5 of 19 3 Application Setup The following chapter covers a typical time synchronization setup with the TICRO 100 and the RET6 0 using the RET67 0 s optical time sync input It shows how to connect the relay to the TICRO 100 the necessary steps to configure the TICRO 100 and the RET670 3 1 Block diagram The used setup consists of an OMICRON Lab OTMC 100 PTP Masterclock a PTP compliant Ethernet switch a PC the TICRO 100 PTP time conv
8. 802 3 Synchronize local clock Current Master Offset To Master ns Delay To Master ns g Network Security 8 09 Switching Status IEEE1588 PTPy2 TC w Hj aosvPriority a Redundancy H E Diagnostics H Hep Figure 21 Transparent Clock Settings of the PTP Switch RSP20 Clock Identity ec eb 55 ff fe G7 Sc fe Note The mentioned switch settings need to correspond with the settings of the PTP Grandmaster clock If the settings of the network components in between the PTP Grandmaster clock and the connected PTP clients do not match the PTP clients will not lock to the grandmaster clock OMICRON N LAB Smart Timing Solutions EE TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 17 of 19 c Checking of successful PTP synchronization Use the web interface to find out if the TICRO 100 has been successfully synchronized via PTP When all settings have been applied correctly and the grandmaster clock is locked to GPS the TICRO 100 becomes a PTP slave and its device status is locked Check on the TICRO 100 Navigate to Overview General of the web interface and General check following settings Figure 22 Device status Device status Locked Pie ai _ PTP Slave UTC date time 2014 07 22T14 13 27 0000 Product name TICRO 100 Serial number AL108R When the TICRO 100 has the PTP status Listening or ee Unlocked and does not start with the locking procedure
9. TP and apply the following settings in the respective Tabs Tab General Figure 4 PTP profile Power systems l PTP profile Max GM inaccuracy Up to 1 us User description TICRO ABB RET670 optional Max GM recor pe ws O O OOOD Figure 4 General PTP settings of the TICRO 100 General I Default Port Remark The max GM inaccuracy can be set to ensure the TICRO 100 switches to its internal oscillator in case that the Grand master clock inaccuracy exceeds the set limit Tab Default Figure 5 General Default Port 7 domain number 0 Domain number Co gt Engineered network time inaccuracy 0 ns Local time inaccuracy 0 ns Figure 5 Default PTP settings of the TICRO 100 Tab Port Figure 6 Transport IEEE 802 3 General Default Port VLAN ld 0 ag 802 3 ee TA VLAN PCP r Log sync interval 0 2X5 Log min pdelay request interval 0 2X5 Log announce interval 0 2 s Announce receipt timeout 3 Figure 6 Port PTP settings of the TICRO 100 Note All not mentioned parameters in the figures above are not changed from their default values The setting of these parameter are optional OMICRON N LAB Smart Timing Solutions EE TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 8 of 19 3 4 IRIG B Settings of the TICRO 100 This section shows how to configure the opt
10. additional software The TICRO 100 has 5 outputs which can be configured independent from each other The big advantages of the synchronization provided by the TICRO 100 are Easy Integration of PTP and its advantage into existing installations The TICRO 100 enables the introduction of PTP to existing installations without exchanging existing IEDs This allows to benefit from the enhanced redundancy offered by the Best Master Clock Algorithm BMCA and the possible redundancy of a ring network topology Enhanced monitor possibilities for all devices integrated into the timing network All advantages of Ethernet can be used Independent from the physical layer optical or electrical it is possible to check the status of all devices via their web interfaces Holdover capability of the TICRO 100 The TICRO 100 is equipped with an integrated OCXO so it can still provide a highly accurate signal even when the connection to the PTP network is broken for some time Depending on the used OCXO the drift of the TICRO 100 in case of PTP signal loss is less than 25us in 24 hours Galvanic insulation between PTP Network TICRO 100 IED and Merging Unit The possibility to connect the devices via optical fiber allows a full galvanic isolation between the used devices Enhanced EMC of the Ethernet data connection The use of optical fiber for the data communication and time synchronization ensure that no electromagnetic emissions are caused by t
11. bed in IEEE C37 238 201 1 a PTP Settings of OTMC 100p The PTP Grandmaster clock defines the settings for all other devices inside the PTP system For this application note an OTMC 100p antenna integrated PTP Grandmaster clock was used Follow these steps to configure the PTP profile Power Systems via the web interface of the OTMC 100p Navigate to Configuration PTP and apply the following settings in the respective Tabs Tab General Settings Figure 17 PTP profile Power Systems a Operation mode One step clasp Default Settings Port Settings PTP profile Operation mode One step T Note Operation mode One step is the recommended mode since this mode produces less network traffic User description ABB Substation PTP management interface W Enabled Figure 17 General Settinas of OTMC 100 Tab Default settings Figure 18 Domain number 0 See Donne Grandmaster ID 4 Priority 1 128 Priority 2 128 Note The Grandmaster ID value 4 is a default value and was not changed It can be Domain number Grandmaster ID changed but need to be changed at all Network time haana i other PTP network components Engineered network time inaccuracy 0o ns Local time inaccuracy Qo ns Offset from master limit Qo ns Figure 18 Port Settings of OTMC 100 8 IEEE Standard Profile for use of IEEE 1588 Precision Time Protocol in Power System Applications OMICRON E
12. by IRIG B Table 3 RET670 Settings Time Synchronisation TIMES YNCHGEN 1 IEC61850 9 2 Figure 12 HWSyncSrc Hardware time synchronization source AppSynch Synch Time synchronization OT modeTorappieaton SyncAccLevel Class T5 Wanted time oe us syntonaton aceuraey Table 3 settings of the optional parameter group TIMESYNCHGEN IEC61850 9 2 see 4 page 81 Figure 12 Settings of IEC61850 9 2 at the HMI For details on additional IED features refer to the Technical reference manual 4 of the RET670 OMICRON N LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 11 of 19 4 Checking successful synchronization Once the parameters of the TICRO 100 and the RET670 are set the time synchronization can be checked as follows at the HMI of the RET670 Navigate the HMI of the RET670 to the menu RET670 Diagnostics IED status General Figure 13 lf the time synchronization via IRIG B works correctly you will see INT Warning Off Time Synch Ready More Details described at the Technical Reference Manual of the RET670 See 4 page 69 figure 24 Figure 13 RET670 synchronized to IRIG B Time Source To test the synchronization the optical connection between the RET670 and the TICRO 100 is disconnected See Figure 14 After some seconds the parameter at the display will change to Figure 15 INT Warning On Time Synch Fail
13. ck in August 2003 visualized how painful and time consuming it can be to align data whose time stamps are derived from inaccurate time references As a result the task force investigating the blackout demanded a regulation that ensures a minimum absolute accuracy for time stamped disturbance event data With the adoption of the NERC Standard PRC 018 1 in 2006 it is now a legal obligation that all recorded data has to have an accuracy of 2 ms or better in relation to UTC see 1 page 1 Especially with the integration of Smart Grids the standard IEC 61850 becomes important In the IEC 61850 9 5 standard the time accuracy requirements for time tagging of events and time synchronized measurements are summarized in five time performance classes T1 to T5 which range from 1 ms to 1 us see 1 page 2 2 1 The IRIG B Time code The IRIG Time Codes were developed in 1960 by a working group of the US Military to allow standardized time distribution and synchronization of technical equipment The IRIG B Code transmits the time information in a 100 bit telegram every second A synchronization accuracy between 1 ms to 10 us can be achieved For optical links unmodulated IRIG B signals are used 2 2 Precision Time Protocol PTP IEEE 1588 2008 The Precision Time Protocol PTP was developed in 2002 to achieve a higher synchronization accuracy over Ethernet than the one so far provided by NTP With NTP synchronization accuracies in the range from 10 ms
14. ed at the rear side of the IED as shown in Figure 3 For this application the first optical output of the TICRO 100 was connected with a 62 5 125 um multimode fiber with red marking to the RET670 The second optical output was used to provide a 1pps signal to synchronize a merging unit See Figure 2 Figure 3 Time Synchronization Figure 2 Connecting RET670 with TICRO 100 Input of RET670 3 38 PTP Settings of the TICRO 100 To ensure proper operation all PTP components in the network including the TICRO 100 need to be configured to the same PTP Mode In this section all PTP settings for the TICRO 100 are shown Setup information for the remaining PTP components like the PTP switch and the PTP master clock can be found in Appendix A The PTP master clock defines the settings for all other components inside the PTP system A typical PTP Mode for applications in substations is the PTP profile for power systems described in IEEE C37 238 2011 The TICRO 100 can be easily set up via its web interface as shown on the next page 8 IEEE Standard Profile for use of IEEE 1588 Precision Time Protocol in Power System Applications For the PTP settings applied to the TICRO 100 default settings where chosen this values might be different for other PTP networks OMICRON E LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 7 of 19 Navigate to Configuration P
15. erter and the RET670 protection relay The PTP Masterclock receives its reference time from GPS and maintains an accuracy of 100 ns in comparison to UTC while locked to GPS All connected PTP compliant equipment like the PTP switch and the TICRO 100 are synchronized via Ethernet The achieved accuracy for a simple setup like this is in the range of better than 200 ns The TICRO 100 generates the IRIG B signal to synchronize the RET670 and a 1PPS Signal to synchronize a merging unit NS Satellite Control Laptop PTP Masterclock OPTICAL SFP OPTICAL ST PTP Time Converter gt A PTP IRIG B electrical RJ45 aA PoE PTP Switch Injector Merging Unit IED ABB RET670 Figure 1 Block Diagram of PTP setup The PoE Injector the PTP Switch the TICRO 100 and the RET670 are isolated from each other since the data connection is done by optical fiber The PoE Injector supplies the OTMC 100 PTP Masterclock outside the building with electrical power via an electrical RJ45 Ethernet connection The distance between PoE Injector and OTMC 100 can be up to 100 m the distance between PoE Injector and PTP Switch is optical and could be up to 2 km without any restrictions OMICRON N LAB Smart Timing Solutions EE TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 6 of 19 3 2 Connecting the RET670 to the TICRO 100 The optical time synchronization input of the RET670 is locat
16. eseceuceuseeeancenseees 6 3 3 PTP SETTINGS OF THE TICRO TO a serecceracecesats coset ecinccitecacosesatecindaniptaciesatiatacinnceantsewos econ auotendednot nade anctenteanssandesnsianteanes 6 3 4 IRIG B SETTINGS OF THE TICRO TOO pre sicdessietectectctren sce lcheswiedictuarnccewauancinncsuacsaen Guu sien teense beeasnee Rooascebassccexcneadsexbaaoseubes 8 3 4 1 OI Or CII FIDEI sccsessenciteuaisasonen oisenatencatara cienciiong teucalaeiencitongteucilandsiecnsmepenensosecasnmesieuensosrcanmerenensercannmreasee 8 eE eel ake UIE OI E E E ste a led E otra T E EE EE EE E 8 FA DO VOW eea a E N E E TO A A E N A NAE A 9 3 5 IRIG B SETTINGS AT THE RET670 FROM THE FRONT PANE L sscsscceccccesccecceccusccecceccesececcscesecescescusceecceseusceeseass 9 4 CHECKING SUCCESSFUL SYNCHRONIZATION Quin cc tcccccccccssccssccsscccscccsscccsccocscccsccccsccsscoescceescosceacs 11 BN rece ceccn cea Secs eee ese eee ce AA 12 Fe a access ee sconce vse een e seu ee accede cette sevecacececiosee eet untieetieoeth neue eene dew aneaseseusaueuaecesoaueccuseessecedescamenaccameceaecuccesecee 13 Y 3 2 2 Be Gases am om ea om wm Oe et Rs OE sn as 14 A PTP SETTINGS OF THE TIME SYNCHRONIZATION SYSTEM cccceeccscceccsccecceccesccucceccececsecuecesecsccuscascesecuscaseatecusens 14 PVF CUIOS OF OIG FOOD reise teres ecincotisee totaici oct oansien cova ne taperisen navi sneriaoaseueessseae se ueecaueeseacae te aensaeeseseeeuee 14 PTP Settings of the Hirschmann RSP 20sir
17. he data communication In addition the optical Ethernet links are immune against electromagnetic disturbances OMICRON N LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 13 of 19 References 1 2010 IEEE1588 IMPLEMENTATION TRANSITION by B Baumgartner C Riesch M Rudigier OMICRON electronics GmbH Klaus Austria htto www omicron lab com otmc 100 knowledge applications articles use cases ieee 1 588ptp the future of time synchronization in the electric power industry html 2 2004 IRIG SERIAL TIME CODE FORMATS Range Commanders Council U S Army White Sands Missile Range New Mexico 88002 5110 www irigo com pdf wp irig 200 04 paf 3 2013 TICRO 100 Brochure V1 1401 OMICRON Lab OMICRON electronics GmbH Klaus Austria http www omicron lab com fileadmin assets TICRO_100 Brochures TICRO 100 Brochure V1 1401 LR pdf 4 2010 Transformer protection RET670 Technical reference manual ABB Document ID 1MRK 504 113 UEN OMICRON es LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 14 of 19 Appendix A PTP settings of the time synchronization system To ensure proper operation all PTP devices in the network all devices need to be set to the same PTP Mode A typical PTP Mode for applications in Substations is the PTP profile Power Systems as descri
18. i i eni n i E anire sa EE aaor EES 15 c Checking of successful PTP synchronization 0 cccctssssssssssssssssssseesseseeeeeeeeseeeseeseseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 17 Note Detailed settings of the TICRO 100 are explained in the TICRO 100 user manual Download the TICRO 100 user manual at http Awww omicron lab com ticro 100 downloads html Note All SW settings are done with TICRO firmware version ticro100 1 01 0013 or higher Download the latest firmware at htip www omicron lab com ticro 100 downloads html 2 Note The Grandmaster clock and the infrastructure have to be IEEE 1588 PTPv2 capable We used the OTMC 100 as PTP Grandmaster clock Download additional information at http www omicron lab com otmc 100 product description html OMICRON E LAB E Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 3 of 19 1 Executive Summary This Application Note shows how to integrate non PTP compliant IEDs into IEEE 1588 PTPve2 time synchronization infrastructures In detail it shows how to synchronize ABB Protection Relays with optical synchronization inputs using the TICRO 100 PTP Time Converter The following topics are covered Basic settings at the TICRO 100 and the RET670 Verification if the relay has been successfully synchronized Selection of the correct PTP network settings 2 Technical Background The North American Blackout ba
19. ical outputs of the TICRO 100 to provide the signals required by the connected equipment 3 4 1 Setup of Output 4 Fiber The Output 4 Fiber connected to the RET670 needs to be configured as IRIG B output Navigate to Configure Output and apply the following settings in the respective Tabs 4 Fiber Figure 7 Time base UTC Mode IRIG B Code expressions Control functions Off Straight binary seconds Off BCDyear On These settings represent IRIG B 006 G 1 BNC G 2 BNC G 3 0c G 4 Fiber G 5 Fiber Time base UTC Mode IRIG B Coded expressions O Control functions O Straight binary seconds W BCDYEAR Output muting O Output muted Figure 7 Sets the Fiber Output 4 of the TICRO 100 to IRIG B Note Select the check boxes for straight binary seconds and or control functions to select different IRIG BOOx codes 3 4 2 Setup of Output 5 Fiber The merging unit connected to Output 5 Fiber requires a 1PPS pulse In the following example a pulse width of 10 ms is used Navigate to Configure Output and apply the following settings in the respective Tabs 5 Fiber Figure 8 Time base UTC Mode PPX Pulses per second 1 PPS Pulse width 10000000 ns Time reference Rising edge G 1 BNC G 2 BNC G 3 0C G 4 Fiber G 5 Fiber Time base UTC v Mode PPX v Pulses per second 1 PPS Pulse width 10000000 ns Time reference Rising edge
20. identity 1 20 b7 c0 ff fe 00 23 34 Grandmaster identity 20 b7 c0 ff fe 00 23 34 Grandmaster identity 0 b7 c0 ff fe 00 23 34 Grandmaster clock class PRIMARY_REF_PTP 6 When both values are identical the PTP settings of one or oe pn os Grandmaster clock variance more components in the network do not match Grandmaster priority 1 128 In section Parent the parameter Grandmaster identity AERE o y it ae IEEE C37 238 grandmaster ID 3 need to the same like the Clock identity of the Grandmaster time inaccuracy Ons Grandmaster clock This clock identity can be checked at AEE ER AANA i the Web interface of Grandmaster clock Figure 24 TICRO 100 Status PTP Default amp Parent The value depends on the network structure and slightly changes in a range of several ns 10 Value is different when other HW is used OMICRON E LAB E Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Extended check on the Grandmaster OTMC 100 The clock identity of the OTMC 100 can be checked via its web interface Navigate to Status PTP tap Default Figure 25 Clock Identity 20 b7 cO0 ff fe 00 23 34 Page 18 of 19 Port Default Parent Time Two step Clock identity Clock class PRIMARY _REF_PTP 6 Clock accuracy Figure 25 OTMC 100 clock identity WITHIN_1_US 0x23 In this example the TICRO 100 displays the same Grandmaster identi
21. ntists engineers and teachers engaged in the field of electronics It simplifies measurement tasks and provides its customers with more time to focus on their real business OMICRON Lab was established in 2006 and is meanwhile serving customers in more than 40 countries Offices in America Europe East Asia and an international network of distributors enable a fast and extraordinary customer support OMICRON Lab products stand for high quality offered at the best orice value ratio on the market The products reliability and ease of use guarantee trouble free operation Close customer relationship and more than 25 years in house experience enable the development of innovative products close to the field Europe Middle East Africa Asia Pacific Americas OMICRON electronics GmbH OMICRON electronics Asia Limited OMICRON electronics Corp USA Phone 43 59495 Phone 852 3767 5500 Phone 1 713 830 4660 Fax 43 59495 9999 Fax 852 3767 5400 Fax 1 713 830 4661 info omicron lab com mm www omicron lab com
22. ont panel To set up the RET670 the HMI Human Machine Interface on the front panel of the IED can be used It is also possible to use the remote software PCM600 to set the parameter for time synchronization After startup of the RET670 navigate to the following menus and change the parameters as stated in the following tables Table 1 Table 2 RET670 Settings Time Synchronisation TIMES YNCHGEN 1 General Figure 10 Parameter Name Value_ Description CoarseSyncSrc Coarse time synchronization source FineSyncSource Fine time synchronization source SyncMaster Activate IED as synchronization master TimeAdjustRate Adjust rate for time eomas r Sonano Table 1 settings of the parameter group TIMESYNCHGEN General See 4 page 81 Figure 10 Settings of TIMESYNCHGEN 1 at the HMI OMICRON N LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 10 of 19 RET670 Settings Time Synchronisation SYNCHIRIG B 1 Figure 11 SynchType Type of eee OP Jromonzaion IRIG B Type of encoding _ Type of encoding encoding TimeZoneAs1344 PlusTZ Time zone as ae S Table 2 Settings of the parameter group SYNCHIRIG B of the RET670 See 4 page 83 Figure 11 Settings of SYNCHIRIG B 1 at the HMI To use the full functionality of the synchronization inside the IED the following parameters can be set to process additional data information given
23. to 1 ms can achieved This is not sufficient for the synchronization of all technical equipment in a substation Therefore protection equipment is currently controlled and monitored via Ethernet but synchronized via a parallel system like IRIG B 1 In particular an ABB RET670 is used NERC North American Electric Reliability Cooperation 3 UTC Universal Coordinated Time Scale IRIG B Inter Range Instrumentation Group Format B 2 page 4 1 Figure 4 1 OMICRON E LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 4 of 19 PTP distributes the time synchronization information also via Ethernet the achievable accuracy is in the 100 ns range Contrary to IRIG B no additional wiring is required PTP uses Ethernet and therefore has the advantage that all redundancy features of Ethernet networks can be used Using two grandmaster clocks is an easy and effective method to increase the availability of the time synchronization to all clients Additionally the best master clock algorithm BMCA offered by PTP ensures that always the best available master clock in the network is used to synchronize the connected equipment More details can be found in 1 page 5 6 2 3 Why to use the optical input of the RET6 0 There are different reasons to use the optical input of the IRIG B time synchronization module of the RET670 All of this reasons are independent of the use
24. ty like the clock identity displayed by the OTMC 100 Extended check on the PTP Switch RSP 20 When it has been verified that the settings at the TICRO 100 and the Grandmaster clock OTMC 100 are correct the next switch upstream of the TICRO 100 has to be checked In this application note a Hirschmann DIN rail switch RSP20 was used This switch allows to check the grandmaster clock identity via its web interface Navigate to Time PTP Transparent Clock Global and apply following setting Figure 26 Syntonize On Synchronize local clock On Check following parameter Current Master 20 b7 c0 ff fe 00 23 34 00 01 Offset To Master ns 9 ns The last two Bytes 00 01 are added by the switch So the Current Master is equal to the OTMC 100p 11 Value is different when other HW is used Synchronize local clock Current Master Offset To Master ns g Delay To Master ns 0 Status IEEE1588 PTPv2 TC Clock Identity ec e5 55 ff fe 87 9c fe Figure 26 RSP20 PTP Master Clock identity 12 The value Offset To Master ns will slightly change when the Reload button is clicked OMICRON E LAB Smart Timing Solutions TICRO 100 Application Note Synchronize Protection Relays ABB RET670 to IEEE 1588 PTPv2 Page 19 of 19 lt lt i I l JE Hg a OMICRON Lab is a division of OMICRON electronics specialized in providing Smart Measurement Solutions to professionals such as scie
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