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GE 

Grid Solutions 

 

Reason RT411 

Time Signal Distributor 

 

 

 
 
 
 

Technical Manual 

Platform Hardware Version: A 

Publication Reference: RT411-TM-EN-HWA-3v3 

 
 

 
 

imagination at work 

Summary of Contents for Reason RT411

Page 1: ...GE Grid Solutions Reason RT411 Time Signal Distributor Technical Manual Platform Hardware Version A Publication Reference RT411 TM EN HWA 3v3 imagination at work ...

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Page 3: ...uirements 14 Equipment Connections 14 Pre energization Checklist 15 Peripheral Circuitry 16 Upgrading Servicing 16 4 Decommissioning and Disposal 17 Chapter 3 Hardware Design 18 1 Equipment View 18 2 Power Supply 18 Chapter 4 Installation 20 1 Unpacking 20 Normal Use of the Equipment 20 2 Mounting 20 Connectors 21 Power Supply 21 Grounding Earthing 22 Electrical Optical Time Input 23 Selecting the...

Page 4: ... 32 8 Dimensions Weight 35 Chapter 7 Ordering Options 36 1 RT411 Cortec 36 Chapter 8 Appendixes 37 Appendix A IRIG B Standard Summary 37 Appendix B Application Examples 42 Application Example 1 Traditional and Modern Time Sync 42 Application Example 2 System Wide Grandmaster Clock 42 Application Example 3 Synchrophasor TWFL and Process Bus Applications 43 Application Example 4 IEEE 1588 in a PRP N...

Page 5: ...put Selection 23 Figure 11 Optical Outputs 24 Figure 12 Electrical Outputs 24 Figure 13 Euro Type label for connections 25 Figure 14 RT411 Dimensions 35 Figure 15 Traditional x Modern Time Synchronization 42 Figure 16 System Wide Grandmaster Clock 43 Figure 17 Synchrophasor devices synced by RT430 434 43 Figure 18 TWFL application using RT430 434 for Time Sync 44 Figure 19 Process Bus application ...

Page 6: ... Table 6 TTL Electrical Outputs specification 30 Table 7 Optical Outputs specification 31 Table 8 Environment specification 31 Table 9 Enclosure Protection IEC 60529 31 Table 10 EMC tests were performed according to IEC 60255 26 referring to the following standards 32 Table 11 Safety tests 33 Table 12 Environmental tests 34 Table 13 Dimensions and weight specification 35 Table 14 IRIG B standard s...

Page 7: ... hear from you if you discover any errors or have any suggestions for improvement Our policy is to provide the information necessary to help you safely specify engineer install commission maintain and eventually dispose of this product We consider that this manual provides the necessary information but if you consider that more details are needed please contact us GE Grid Solutions Worldwide Conta...

Page 8: ...fense Forces GND Abbreviation of the term Ground GNSS Global Navigation Satellite System GPS Global Positioning System GPZDA Serial Datagram format HTTP Hypertext Transfer Protocol HTTPS Hypertext Transfer Protocol Secure IEC International Electrotechnical Commission IED Intelligent Electronic Devices IEEE Institute of Electric and Electronic Engineers HMI Human Machine Interface IP Internet Proto...

Page 9: ...electrical utilities control systems RT411 multiplies IRIG B demodulated PPS or any signal with a voltage up to 5 Vdc and frequencies up to 5 MHz through the electrical and optical outputs The equipment s time accuracy is based on the accuracy of the time reference source been used The equipment has up to 10 electrical outputs with a 150 mA individual supply capacity and up to 10 optical outputs f...

Page 10: ...age Category II Environment IEC 60068 2 1 IEC 60068 2 2 IEC 60068 2 30 IEC 60068 2 14 IEC 60255 21 1 IEC 60255 21 2 The equipment is intended for indoor use only If it is required for use in an outdoor environment it must be mounted in a specific cabinet or housing which will enable it to meet the requirements of IEC 60529 with the classification of degree of protection IP20 R TTE Compliance Radio...

Page 11: ...erate the equipment Qualified personnel are individuals who are Familiar with the installation commissioning and operation of the equipment and the system to which it is being connected Familiar with accepted safety engineering practices and are authorized to energize and de energize equipment in the correct manner Trained in the care and use of safety apparatus in accordance with safety engineeri...

Page 12: ...manual is the direct equivalent of the European term Earth 3 Installation Commissioning and Servicing Lifting Hazards Many injuries are caused by Lifting heavy objects Lifting incorrectly Pushing or pulling heavy objects Using the same muscles repetitively Plan carefully identify any possible hazards and determine how best to move the product Look at other ways of moving the load to avoid manual h...

Page 13: ...voltage discharge ESD to avoid damage to the equipment NEVER look into optical fibers or optical output connections Always use optical power meters to determine operation or signal level Testing may leave capacitors charged to dangerous voltage levels Discharge capacitors by reducing test voltages to zero before disconnecting test leads If the equipment is used in a manner not specified by the man...

Page 14: ...for the power supply which is only accessed by opening the product This does not remove the requirement for external fusing or use of an MCB as previously mentioned The ratings of the internal fuses are 2 Amp type T 250V Equipment Connections Terminals exposed during installation commissioning and maintenance may present a hazardous voltage unless the equipment is electrically isolated Tighten M3 ...

Page 15: ...w inductance and be as short as possible For best EMC performance ground the unit using a 10 mm 0 4 inch wide braided grounding strap All connections to the equipment must have a defined potential Connections that are pre wired but not used should be grounded or connected to a common grouped potential Pay extra attention to diagrams before wiring the equipment Always be sure that the connections a...

Page 16: ... might be situations in which the unit is operating within its environmental operational range but the computers equipment connected to them or nearby equipment are operating outside their operational range That situation can cause malfunctioning and or irreversible damage to those devices In that occasion the communication to the Reason equipment might be compromised but its operational and safet...

Page 17: ...uxiliary supply input may have capacitors in parallel which may still be charged To avoid electric shock discharge the capacitors using the external terminals before decommissioning Avoid incineration or disposal to water courses Dispose of the equipment in a safe responsible and environmentally friendly manner and if applicable in accordance with country specific regulations ...

Page 18: ...ows if the equipment is energized or not Figure 2 Front view of RT411 Figure 3 View from RT411 connectors The RT411 comprises One power supply AC DC high voltage or DC low voltage One electrical input one optical input and one input selection connection for time reference Ten TTL electrical outputs for synchronization been 8x using the Euro Type connector and 2x the BNC connectors Ten optical outp...

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Page 20: ...n or company receiving the unity can file a claim against the carrier for shipping damage We recommend you to keep the original packing materials for possible transport in the future Normal Use of the Equipment In order to maintain the equipment integrity levels of protection and assure user safety the RT411 must be installed in an enclosed panel with recommended ingress protection rating of IP54 ...

Page 21: ...ector F Electrical Input for time reference Euro Type connector G Optical Input for time reference ST connector Power Supply The unit can be powered from a DC or AC power supply within the limits specified The power connections must use insulated flameproof flexible cable with a 1 5 mm cross section 70 C thermal class and 750 V insulation voltage To reduce the risk of electrical shock pre insulate...

Page 22: ...strated below For compliance with IEC 61010 install a suitable external switch or circuit breaker in each current carrying conductor of RT411 power supply this device must interrupt both the hot L and neutral N power leads An external 10 A category C bipolar circuit breaker is recommended The circuit breaker should have an interruption capacity of at least 25 kA and comply with IEC 60947 2 The swi...

Page 23: ...be used respecting a minimum bend radius of 30 mm To synchronize the equipment using the electrical input it is recommended the use of twisted pair For distances over 3 m the use of an optical fiber cable is recommended to minimize the effects related to EMC The length of the optical fiber cables should not exceed 2 km Selecting the Type of Time Input An electrical jumper allows selecting the inpu...

Page 24: ...rs Figure 12 Electrical Outputs All optical and electrical outputs have the same signal as the one applied in the time reference input More than one device can be connected in parallel from one TTL output The maximum number of devices that can be connected to the TTL output depends on the current that each device s input uses As the maximum current supplied from each TTL output is 150mA the sum of...

Page 25: ...irm they are operating correctly GE products are designed for a life in excess of 20 years The devices are self supervising and so require less maintenance than earlier designs of protection devices Most problems will result in an alarm indicating that remedial action should be taken However some periodic tests should be carried out to ensure that they are functioning correctly and that the extern...

Page 26: ...ty even though the equipment data sheets may state wider ranges of minimum and maximum temperature and humidity for example 40 C to 55 C and 5 to 95 RH Continuous equipment operation at the minimum and maximum limits is not recommended Keep panel sealed to avoid dust and or animals and insects Inspect the installation site for moisture loose wires or cables and excessive dust Make sure that airflo...

Page 27: ...th the technical specifications required 3 Cleaning Instructions Before cleaning the equipment make sure that the primary voltage is removed If it is necessary cleaning the exterior of the equipment use only a dry cloth Internally it is not required any cleaning 4 Equipment Return All parts and components comprising Reason devices must be repaired exclusively by GE Grid Solutions In case of equipm...

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Page 29: ...1 Power Supply Table 3 Power supply specifications Operating nominal voltage 100 250Vdc 110 240Vac 24 48Vdc Operating voltage range 80 300Vdc 88 264Vac 18 75Vdc Frequency 50 60 Hz 3 Hz N A Power Consumption MAX 20 VA MAX 15 W 2 TTL Electrical Input Table 4 TTL Electrical input specification TTL Voltage Level 5 Vdc High Level 4 8 Vdc Low Level 0 2 Vdc Impedance 220 Ω Connector Euro Type ...

Page 30: ...ode 50 125 µm 62 5 125 µm 100 140 µm or 200 µm HCS Power Sensitivity 24 0 dBm 4 TTL Electrical Outputs Table 6 TTL Electrical Outputs specification Number of Outputs 10 TTL Voltage Level 5 Vdc High Level 4 8 Vdc Low Level 0 2 Vdc Impedance 5 Ω Maximum current 150 mA Time Difference between Input and Outputs mean 73 ns Connectors 8x Euro Type 2x BNC ...

Page 31: ...µm 14 0 dBm 62 5 125 µm 8 5 dBm 100 140 µm 5 7 dBm 200 µm HCS Time Difference between Input and Outputs mean 73 ns 6 Environment Table 8 Environment specification Operating temperature range 40 C 55 C or 40 F to 131 F As tested per IEC 60068 2 1 40 C As tested per IEC 60068 2 2 85 C Maximum operating altitude 2000 m 6560 ft Relative humidity 5 95 non condensing Table 9 Enclosure Protection IEC 605...

Page 32: ...0 4 3 2006 10 V m IEC 61000 4 4 2012 2 kV 5 kHz IEC 61000 4 5 2005 Differential mode 1 kV Common mode 2 kV IEC 61000 4 6 2008 10 V IEC 61000 4 8 2009 30 A m continuous 300 A m 1 s IEC 61000 4 11 2004 IEC 61000 4 29 2000 A C and D C voltage dips Test level 0 residual voltage Duration time A C 1 cycle D C 16 6 ms Test level 40 residual voltage Duration time A C 12 cycles D C 200ms Test level 70 resi...

Page 33: ...m Start up ramp 60 s CISPR11 2009 Radiated emission 30 to 230 MHz 50 dB μV m quasi peak at 3 m and 230 to 1000 MHz 57 dB μV m quasi peak at 3 m CISPR22 2008 Radiated emission The definition of the limit frequency is based on the maximum internal frequency of the equipment On RT411 the maximum internal frequency is 5 MHz For this case the levels of CISPR 11 satisfy the normative IEC 60255 26 Conduc...

Page 34: ... kVdc Insulation 100 MΩ Table 12 Environmental tests IEC 60068 2 1 40 C 16 hours Cold IEC 60068 2 2 85 C 16 hours Dry heat IEC 60068 2 30 95 no condensation 55 C Damp heat IEC 60068 2 14 40 C to 85ºC 9 hours 2 cycles Change of temperature IEC 60255 21 1 Class 2 Vibration IEC 60255 21 2 Class 1 Shock ...

Page 35: ...on RT411 RT411 35 8 Dimensions Weight Table 13 Dimensions and weight specification Height 44 3 mm 1 7 in Width body 430 mm 16 9 in Depth 180 mm 7 1 in Weight 2 3 kg 5 0 lbs RT411 dimensions are shown below Figure 14 RT411 Dimensions ...

Page 36: ...RT431 Chapter 9 Cortec 36 RT431 Reason RT411 Time Signal Distributor Chapter 7 Ordering Options This chapter describes the CORTEC number formation from RT411 1 RT411 Cortec Issue C ...

Page 37: ...ference bit Pr 1 Pr 10 ms seconds 1 seconds 0 59 or 60 2 Pr 20 ms seconds 2 3 Pr 30 ms seconds 4 4 Pr 40 ms seconds 8 5 Pr 50 ms index bit 0 6 Pr 60 ms seconds 10 7 Pr 70 ms seconds 20 8 Pr 80 ms seconds 40 9 Pr 90 ms position identifier 1 P1 10 Pr 100 ms minutes 1 minutes 0 59 11 Pr 110 ms minutes 2 12 Pr 120 ms minutes 4 13 Pr 130 ms minutes 8 14 Pr 140 ms index bit 0 ...

Page 38: ...0 23 21 Pr 210 ms hours 2 22 Pr 220 ms hours 4 23 Pr 230 ms hours 8 24 Pr 240 ms index bit 0 25 Pr 250 ms hours 10 26 Pr 260 ms hours 20 27 Pr 270 ms index bit 0 28 Pr 280 ms index bit 0 29 Pr 290 ms position identifier 3 P3 30 Pr 300 ms days 1 day of the year 1 365 or 366 31 Pr 310 ms days 2 32 Pr 320 ms days 4 33 Pr 330 ms days 8 34 Pr 340 ms index bit 0 35 Pr 350 ms days 10 36 Pr 360 ms days 20...

Page 39: ... index bit 0 44 Pr 440 ms index bit 0 45 Pr 450 ms index bit 0 46 Pr 460 ms index bit 0 47 Pr 470 ms index bit 0 48 Pr 480 ms index bit 0 49 Pr 490 ms position identifier 5 P5 50 Pr 500 ms year 1 The last 2 digits of the year 00 99 51 Pr 510 ms year 2 52 Pr 520 ms year 4 53 Pr 530 ms year 8 54 Pr 540 ms index bit 0 55 Pr 550 ms year 10 56 Pr 560 ms year 20 57 Pr 570 ms year 40 58 Pr 580 ms year 80...

Page 40: ...ffset 8 69 Pr 690 ms position identifier 7 P7 70 Pr 700 ms Time Offset 0 5h 0 none 1 Additional 0 5h time offset 71 Pr 710 ms Time Quality bit 1 4 bit code representing approx clock time error 0000 Clock is locked 0001 0010 1010 1011 Time within 10 9s 10 8s 1s 10s of UTC 1111 Fault time not reliable 72 Pr 720 ms Time Quality bit 2 73 Pr 730 ms Time Quality bit 3 74 Pr 740 ms Time Quality bit 4 75 ...

Page 41: ...0 ms time of day 32 86 Pr 860 ms time of day 64 87 Pr 870 ms time of day 128 88 Pr 880 ms time of day 256 89 Pr 890 ms position identifier 9 P9 90 Pr 900 ms time of day 512 91 Pr 910 ms time of day 1024 92 Pr 920 ms time of day 2048 93 Pr 930 ms time of day 4096 94 Pr 940 ms time of day 8192 95 Pr 950 ms time of day 16384 96 Pr 960 ms time of day 32768 97 Pr 970 ms time of day 65536 98 Pr 980 ms i...

Page 42: ... a legacy IED needs to be included in a modern architecture the RT431 acts as a PTP translator converting PTP to IRIG B or PPS Figure 15 Traditional x Modern Time Synchronization Application Example 2 System Wide Grandmaster Clock Using the RT430 along with GE JunglePAX is a great way to have PTP over a wide network The next figure exemplifies an architecture which a given application has a local ...

Page 43: ...xample 3 Synchrophasor TWFL and Process Bus Applications Requiring 1 µs time accuracy this third example demonstrate the best way to synchronize devices used for Synchrophasor PMU Travelling Waves Fault Locators TWFL and Process Bus devices Figure 17 Synchrophasor devices synced by RT430 434 ...

Page 44: ...fers the highly accurate IEEE 1588v2 Precision Time Protocol PTP combined with the Parallel Redundancy Protocol IEC 62439 3 2016 ensuring 100 ns accuracy and high availability in time synchronization over Ethernet networks In case of failure in one of the redundant networks the recovery time for the PTP is zero In other words the PRP architecture overcomes any single network failure without affect...

Page 45: ... required for IRIG B PPS the RT411 is a cheap solution to expand the number of outputs from clocks Furthermore the RT412 can convert optical signals to electrical and vice versa which is a great solution to distribute time synchronization The next figure demonstrates an IRIG B time distribution using only one clock plus a RT411 and many RT412 used in Automation Control architectures Figure 21 Time...

Page 46: ...RT411 Chapter 10 Appendixes 46 RT411 ...

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