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Summary of Contents for GE Reason RT411
- Page 1 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: Table Of Contents
Contents Table of Figures List of Tables Chapter 1: Introduction Foreword Target Audience Acronyms and abbreviations Product Scope Functional Overview Standards Compliance Chapter 2: Safety Information Health and Safety Symbols Installation, Commissioning and Servicing Lifting Hazards Electrical Hazards Fusing Requirements Equipment Connections Pre-energization Checklist Peripheral Circuitry... - Page 4 Power Indicator Off Act Indicator Off Cleaning Instructions Equipment Return Chapter 6: Technical Specification Power Supply TTL Electrical Input Optical Input TTL Electrical Outputs Optical Outputs Environment Type Test Dimensions, Weight Chapter 7: Ordering Options RT411 Cortec Chapter 8: Appendixes Appendix A –...
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Page 5: Table Of Figures
Table of Figures Figure 1: Functional Overview of RT411 Figure 2: Front view of RT411 Figure 3: View from RT411 connectors Figure 4: Connectors of RT411 Figure 5: Pre-insulated tubular pin terminals Figure 6: Supply connector assembly Figure 7: RT411 power connection Figure 8: RT411 Grounding Strap Figure 9: Electrical/Optical Time Input Figure 10: Input Selection... -
Page 6: List Of Tables
List of Tables Table 1: RT411 connectors Table 2: Jumper Selection of Time Input Table 3: Power supply specifications Table 4: TTL Electrical input specification Table 5: Optical input specification Table 6: TTL Electrical Outputs specification Table 7: Optical Outputs specification Table 8: Environment specification Table 9: Enclosure Protection IEC 60529 Table 10: EMC tests were performed according to IEC 60255-26 referring to the... -
Page 7: Chapter 1: Introduction
RT411 Time Signal Distributor. Foreword This technical manual provides a functional and technical description of GE Reason RT411 Time Signal Distributor, as well as a comprehensive set of instructions for using the devices. The level at which this manual is written assumes that you are already familiar with protection engineering and have experience in this discipline. - Page 8 RT411 Chapter 1 – Introduction ACEB NEMEA - Acronyms and Abbreviations; ASCII - American Standard Code for Information Interchange; BMC - Best Master Clock; BNC - Bayonet Neil Councilman connector; Bps - Bytes per second; bps - Bits per second; CAT5 - Network Cable;...
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Page 9: Product Scope
Chapter 1 – Introduction RT411 SNMP - Simple Network Management Protocol; SNTP - Simple Network Time Protocol; ST - Bayonet-lock connector; TCP - Transmission Control Protocol; TMARK - Daily pulses with programmable time; TTL - Transistor-to-Transistor logic; TX - Data transmission; UDP - User Datagram Protocol;... - Page 10 RT411 Chapter 1 – Introduction • EMC Compliance: Compliance with IEC 60255-26:2013 was used to establish conformity. • Product Safety: Compliance with IEC 61010-1:2010 was used to establish conformity. • Protective Class: Protective Class I. This equipment requires a protective conductor (ground) to ensure user safety.
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Page 11: Chapter 2: Safety Information
Chapter 2 – Safety Information RT411 Reason RT411 Time Signal Distributor Chapter 2: Safety Information This chapter provides information about the safe handling of the equipment. The equipment must be properly installed and handled in order to maintain it in a safe condition and to keep personnel safe at all times. -
Page 12: Installation, Commissioning And Servicing
RT411 Chapter 2 – Safety Information Caution: Refer to equipment documentation. Failure to do so could result in damage to the equipment Risk of electric shock Ground terminal. Note: This symbol may also be used for a protective conductor (ground) terminal if that terminal is part of a terminal block or sub-assembly. - Page 13 Chapter 2 – Safety Information RT411 Consult the equipment documentation before installing, commissioning, or servicing the equipment. Always use the equipment as specified. Failure to do so will jeopardize the protection provided by the equipment. Removal of equipment panels or covers may expose hazardous live parts.
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Page 14: Fusing Requirements
RT411 Chapter 2 – Safety Information The equipment shall have all their rear connectors attached even if they are not being used, in order to keep their levels of ingress protection as high as possible Never manipulate liquid containers near the equipment even when it is powered off. -
Page 15: Pre-Energization Checklist
Chapter 2 – Safety Information RT411 Ground the equipment with the supplied PCT (Protective Conductor Terminal). Do not remove the PCT. The PCT is sometimes used to terminate cable screens. Always check the PCT’s integrity after adding or removing such ground connections. The user is responsible for ensuring the integrity of any protective conductor connections before carrying out any other actions. -
Page 16: Peripheral Circuitry
RT411 Chapter 2 – Safety Information Check voltage and current rating of external wiring, ensuring it is appropriate for the application. Peripheral Circuitry Where external components such as resistors or voltage dependent resistors (VDRs) are used, these may present a risk of electric shock or burns if touched. -
Page 17: Decommissioning And Disposal
Chapter 2 – Safety Information RT411 Decommissioning and Disposal Before decommissioning, completely isolate the equipment power supply (both poles of any dc supply). The auxiliary 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. -
Page 18: Chapter 3: Hardware Design
RT411 Chapter 3 – Hardware Design Reason RT411 Time Signal Distributor Chapter 3: Hardware Design This chapter demonstrates the main hardware characteristics from RT411 Equipment View The front panel of the RT411 comprises two indicators. The Act indicator shows if the time reference is detected, and the Power indicator simply shows if the equipment is energized or not. -
Page 20: Chapter 4: Installation
Check the contents against the packing list that goes with the product. If any of the content listed is missing, please contact GE Grid Solutions (see contact information in Maintenance chapter). Examine the unit for any shipping damage. If the unit is damaged or fails to operate, notify the shipping company without delay. -
Page 21: Connectors
Chapter 4 – Installation RT411 Connectors Components and connectors of RT411’s rear panel are shown in figure below. Figure 4: Connectors of RT411 Table 1: RT411 connectors Indicator Description Power supply, high voltage AC/DC or low voltage DC 10 optical outputs, ST connectors 8 electrical TTL outputs, Euro Type connectors 2 electrical TTL outputs, BNC connectors Jumper to select the type (electrical or optical) of input signal for time... -
Page 22: Grounding (Earthing)
RT411 Chapter 4 – Installation Figure 6: Supply connector assembly A 1.5 mm² ground lead must be connected to the terminal marked with the protective ground symbol for EMC purposes. Figure 7: RT411 power connection For AC power connection, the phase conductor must be applied to terminal (+/L), neutral conductor to terminal (-/N) in the supply terminals identified as illustrated below. -
Page 23: Electrical/Optical Time Input
Chapter 4 – Installation RT411 Figure 8: RT411 Grounding Strap Electrical/Optical Time Input The RT411 has one optical input and one electrical input for time reference. Both accepts IRIG-B00X, PPX, DCF77, or any signal with frequency up to 5 MHz. The electrical input support up to 5 Vdc signals. -
Page 24: Optical Outputs
RT411 Chapter 4 – Installation Table 2: Jumper Selection of Time Input Closed Jumper Electrical Input Opened Jumper Optical Input The jumper connections must use insulated flameproof flexible cable with a 1.5 mm² cross section, 70 °C thermal class, and 750 V insulation voltage. Optical Outputs The RT411 has 10 outputs for multimode optical fiber as shown below. -
Page 25: Powering Up
See Maintenance chapter for additional suggestion for problem diagnosis. Preventive Maintenance Actions In view of the critical nature of the application, GE products should be checked at regular intervals to confirm they are operating correctly. GE products are designed for a life in excess of 20 years. - Page 26 RT411 Chapter 4 – Installation Keep temperature and humidity at adequate levels inside the panel. The American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) recommends operating network equipment within the following ranges of temperature and relative humidity (see the ASSHRAE TC9.9 “2011 Thermal Guidelines for Data Processing Environments –...
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Page 27: Chapter 5: Maintenance
Equipment Return All parts and components comprising Reason devices must be repaired exclusively by GE Grid Solutions. In case of equipment malfunction the customer must get in contact with GE’s Contact Centre and never attempt to repair the device by his own. -
Page 29: Chapter 6: Technical Specification
Chapter 8 – Technical Specification RT411 Reason RT411 Time Signal Distributor Chapter 6: Technical Specification This chapter describes the technical specifications of the product. Power Supply Table 3: Power supply specifications Operating nominal voltage 100-250Vdc, 110-240Vac 24/48Vdc Operating voltage range... -
Page 30: Optical Input
RT411 Chapter 8 – Technical Specification Optical Input Table 5: Optical input specification Connector Wavelength 820 nm Multimode 50/125 µm, 62.5/125 µm, Fiber Type 100/140 µm or 200 µm HCS Power Sensitivity - 24.0 dBm TTL Electrical Outputs Table 6: TTL Electrical Outputs specification Number of Outputs TTL Voltage Level 5 Vdc... -
Page 31: Optical Outputs
Chapter 8 – Technical Specification RT411 Optical Outputs Table 7: Optical Outputs specification Number of Outputs Connector Wavelength 820 nm Multimode 50/125 µm, 62.5/125 µm, Fiber Type 100/140 µm or 200 µm HCS - 17.8 dBm (50 / 125 µm) - 14.0 dBm (62,5 / 125 µm) Power Emission - 8.5 dBm (100 / 140 µm) -
Page 32: Type Test
RT411 Chapter 8 – Technical Specification IP20 (due to live connection on the Product safety protection terminal block) Type Test Table 10: EMC tests were performed according to IEC 60255-26 referring to the following standards IEC 61000-4-2:2008 6 kV contact / 8 kV air IEC 61000-4-3:2006 10 V/m IEC 61000-4-4:2012... -
Page 33: Table 11: Safety Tests
Chapter 8 – Technical Specification RT411 Test level: 0% residual voltage Duration time A.C.: 300 cycles D.C.: 5 s Test level: 15% of rated DC value IEC 61000-4-17:1999 Test frequency: 120 Hz, sinusoidal waveform. Voltage oscillation frequency: 1 MHz IEC 61000-4-18:2006 Differential mode: 1 kV peak voltage;... -
Page 34: Table 12: Environmental Tests
RT411 Chapter 8 – Technical Specification Impulse: 5 kV IEC 60255-5 Dielectric withstand: 3.3 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... -
Page 35: Dimensions, Weight
Chapter 8 – Technical Specification RT411 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 RT411... -
Page 36: Chapter 7: Ordering Options
RT431 Chapter 9 - Cortec Reason RT411 Time Signal Distributor Chapter 7: Ordering Options This chapter describes the CORTEC number formation from RT411. RT411 Cortec Issue C RT431... -
Page 37: Chapter 8: Appendixes
Chapter 10 - Appendixes RT411 Reason RT411 Time Signal Distributor Chapter 8: Appendixes Appendix A – IRIG-B Standard Summary Table 14: IRIG-B standard summary reference bit (P + 10 ms seconds 1 seconds (0 ... 59 or 60) + 20 ms... - Page 38 RT411 Chapter 10 - Appendixes + 150 ms minutes 10 + 160 ms minutes 20 + 170 ms minutes 40 + 180 ms index bit (0) + 190 ms position identifier 2 (P + 200 ms hours 1 hours (0 ... 23) + 210 ms hours 2 + 220 ms...
- Page 39 Chapter 10 - Appendixes RT411 + 370 ms days 40 + 380 ms days 80 + 390 ms position identifier 4 (P + 400 ms days 100 + 410 ms days 200 + 420 ms index bit (0) + 430 ms index bit (0) + 440 ms index bit (0)
- Page 40 RT411 Chapter 10 - Appendixes + 590 ms position identifier 6 (P + 600 ms index bit (0) + 610 ms index bit (0) 1 during the minute before beginning or end + 620 ms Daylight Saving Pending (DSP) of DST + 630 ms Daylight Saving Time (DST) 1 during DST...
- Page 41 Chapter 10 - Appendixes RT411 + 790 ms position identifier 8 (P + 800 ms time-of-day 1 seconds of the year (0 ... 86399) + 810 ms time-of-day 2 + 820 ms time-of-day 4 + 830 ms time-of-day 8 + 840 ms time-of-day 16 + 850 ms time-of-day 32...
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Page 42: Appendix B - Application Examples
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 PTP Grandmaster clock, which commonly will be the Best Grandmaster Clock for the local IEDs. -
Page 43: Application Example 3: Synchrophasor, Twfl And Process Bus Applications
Chapter 10 - Appendixes RT411 Figure 16: System Wide Grandmaster Clock Application Example 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. -
Page 44: Application Example 4: Ieee 1588 In A Prp Network
RT411 Chapter 10 - Appendixes Figure 18: TWFL application using RT430/434 for Time Sync Figure 19: Process Bus application using PTP via the Station Bus network. Application Example 4: IEEE 1588 in a PRP Network RT430 offers 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. -
Page 45: Application Example 5: Time Sync Expansion Using Rt411 And Rt412
Chapter 10 - Appendixes RT411 Figure 20: Process Bus application using PTP via the Station Bus network. Application Example 5: Time Sync Expansion using RT411 and RT412 In applications where a higher number of TTL or ST outputs are required for IRIG-B/PPS, the RT411 is a cheap solution to expand the number of outputs from clocks. - Page 46 RT411 Chapter 10 - Appendixes RT411...
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