GE Reason RT430 Manuale utente

Grid Solutions

Reason RT430/RT434

GNSS Precision-Time Clock

Technical Manual

Platform Hardware Version: B

Platform Software Version: 08

Publication Reference: RT430-RT434-GNSS-TM-EN-HWB-8v1

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Contents 
Table of Figures 7 
List of Tables 9 
Chapter 1: Introduction 11 
1Foreword 11 
Target Audience 11 
Accronyms and abbreviations 11 
2Product Scope 13 
3Available Models 13 
4Key Features 14 
GNSS 15 
PTP / SNTP / NTP 15 
Parallel Redundancy Protocol (PRP) 15 
Stationary Mode 15 
Time Sync Flexibility 16 
Environmental Robustness 16 
5Functional Overview 17 
6Standards Compliance 17 
Chapter 2: Safety Information 18 
1Health and Safety 18 
2Symbols 18 
3Installation, Commissioning and Servicing 19 
Lifting Hazards 19 
Electrical Hazards 19 
Fusing Requirements 21 
Equipment Connections 21 
Pre-energization Checklist 22 
Peripheral Circuitry 23 
Upgrading/Servicing 23 
4Decommissioning and Disposal 23 
Chapter 3: Hardware Design 24 
1Front View 24 
2Rear View 24 
3Network Ports 25 
4Power Supply 25 
Chapter 4: Installation 26 
1Unpacking 26 
Normal Use of the Equipment 26 
External Indications 26 
2Mounting 27 
Power Supply 27 
Grounding (Earthing) 28 

GNSS Antenna Terminal 28 
TTL Electrical Outputs 30 
Open-Collector Electrical Outputs 30 
Optical Outputs 31 
Amplitude Modulated Output 32 
Serial Port (RS232, RS422/485) 32 
Dry-Contact Relay 33 
Event Input 33 
Euro Type Connections 34 
3Ethernet Communication 34 
Factory default settings 35 
Network port and communication protocols 36 
Equipment access 36 
4Powering Up 36 
5Preventive Maintenance Actions 37 
Preventive Actions 37 
Chapter 5: Operation 40 
1Local Interface (HMI) 40 
2Web Interface (Remote Access) 41 
Web Interface Language 41 
3Monitoring Menus –Web Interface 42 
Status 42 
General Information 43 
Event Log 43 
Chapter 6: Configuration 45 
1Web Interface 45 
User Name and Password 45 
Sending Configuration 45 
2Ethernet 46 
PRP (only in RT430) 46 
Ethernet Ports 47 
Default Gateway 47 
DNS Server 47 
Ethernet - Configuration Summary 47 
3Time Settings 48 
Time Parameters 48 
Time Settings - Configuration Summary 49 
4Time Signals 50 
Outputs 50 
Serial datagram 51 
Customizable datagrams 52 
Time Signals - Configuration Summary 53 
5PTP Configuration 55 
Profile 55 
Comparison between PTP Power Profiles 57 
Domain number 57 

Network protocol 57 
Operation mode 57 
Delay mechanism 58 
Grandmaster Priority 58 
PTP Messages 58 
PTP - Configuration Summary 58 
6Setup 60 
Configuration Management 61 
Password configuration 61 
Reset Satellites Almanac 61 
Stationary Mode 61 
Demo mode 61 
Log Files 62 
Reboot System 62 
Chapter 7: Maintenance 63 
1Time Synchronization Failure (Locked Signaling) 63 
Locked indicator (HMI) 63 
Remote monitoring (Web Interface) 64 
Dry-contact relay (Locked) 64 
IRIG-B Signal 64 
PTP Protocol 64 
NTP Protocol 64 
SNTP Protocol 64 
2Firmware Update 64 
3Equipment Upgrade - Key Change 65 
4Cleaning Instructions 66 
5Equipment Return 66 
Chapter 8: Technical Specification 67 
1Power Supply 67 
2GNSS Antenna 67 
GNSS Antenna Receiver 67 
GNSS Antenna Type 68 
Antenna Cable 68 
Surge Arrester 69 
3Internal Oscillator 69 
4Outputs 70 
Connectors 70 
TTL Electrical Outputs 71 
Open Collector Electrical Outputs 71 
Optical Outputs 72 
Amplitude Modulated Output 72 
Serial Port (RS232, RS422/485) 73 
5Dry-contact Relay 73 
6Event Input 73 
7Precision Time Protocol PTP (IEEE 1588) 74 
8Ethernet Ports 74 

9Environment 75 
10 Type Test 75 
11 Dimensions, Weight 78 
Chapter 9: Ordering Options 79 
1RT430 GNSS Cortec 80 
2RT434 GNSS Cortec 81 
Chapter 10: Appendixes 83 
Appendix A –IRIG-B Standard Summary 83 
Appendix B –PTP Standard Concepts (IEEE1588) 88 
Description 88 
Definitions according to IEEE 1588 Standard 88 
Hierarchical Topology 89 
Multicast and Unicast Networks 89 
PTP Synchronization 90 
Network protocols 91 
Clock operation mode 91 
Delay measurement mechanism 91 
Master, Slave and Grandmaster clocks 92 
PTP Messages 92 
Appendix C –Serial Datagrams 93 
ACEB Datagrams 93 
NEMEA GPZDA Datagram 93 
Meinberg Datagram 94 
Appendix D –Antenna Delay Compensation 96 
Signal Attenuation 96 
Propagation Delay 96 
Appendix E –Application Examples 98 
Application Example 1: Traditional and Modern Time Sync 98 
Application Example 2: System Wide Grandmaster Clock 98 
Application Example 3: Synchrophasor, TWFL and Process Bus Applications 99 
Application Example 4: IEEE 1588 in a PRP Network 100 
Application Example 5: Time Sync Expansion using RT411 and RT412 101
 
 

Table of Figures 
 
Figure 1: Functional Overview of RT430/434 17 
Figure 2: Front view of RT430 24 
Figure 3: Front view of RT434 24 
Figure 4: Rear view of RT430 25 
Figure 5: Rear view of RT434 25 
Figure 6: Location of Serial number, part number and outputs description. 26 
Figure 7: Pre-insulated tubular pin terminals 27 
Figure 8: Supply connector assembly 27 
Figure 9: RT430/RT434 Power Connection 27 
Figure 10: RT430/434 Grounding Strap 28 
Figure 11: GNSS antenna connector 28 
Figure 12: Recommended position for installing the GNSS Antenna 29 
Figure 13: Recommended position GNSS Antenna conduit installation 29 
Figure 14: TTL electrical outputs 30 
Figure 15: Open collector electrical outputs 31 
Figure 16: Connection diagram of the open-collector electrical outputs 31 
Figure 17: Optical outputs 32 
Figure 18: Amplitude modulated output 32 
Figure 19: Serial port RS232 and RS422/485 32 
Figure 20: Dry-contact relay 33 
Figure 21: Event input 34 
Figure 22: Euro Type label for connections 34 
Figure 23: Electrical communication interface via Ethernet network 35 
Figure 24: Local Interface from RT430 and RT434 40 
Figure 25: Navigating the RT430’s local monitoring display 40 
Figure 26: RT430 Web Interface 41 
Figure 27: Languages available in the Web Interface 41 
Figure 28: Section to monitor the status of the unit in the Web Interface 42 
Figure 29: Section to visualize general information of the system 43 
Figure 30: Section of Web Interface to monitor timestamps of event input 44 
Figure 31: Section to configure network parameters of the unit 46 
Figure 32: Enabling the PRP redundancy 47 
Figure 33: Section to configure time parameters 48 
Figure 34: Section to configure time signals applied in the outputs 50 

 
 
Figure 35: Section to configure PTP parameters 55 
Figure 36: Characteristics from PTP Power Profile IEEE C37.238:2011 56 
Figure 37: Characteristics from PTP Power Profile IEEE C37.238:2011 56 
Figure 38: Setup section in Web Interface 60 
Figure 39: Manual Time setting –only available in Demo Mode 62 
Figure 40: Section to update firmware 65 
Figure 41: Section to equipment upgrade –key change 65 
Figure 42: Rear panel connectors of RT430 (top) and RT434 (bottom) 70 
Figure 43: RT430/434 Dimensions 78 
Figure 44: Traditional x Modern Time Synchronization 98 
Figure 45: System Wide Grandmaster Clock 99 
Figure 46: Synchrophasor devices synced by RT430/434 99 
Figure 47: TWFL application using RT430/434 for Time Sync 100 
Figure 48: Process Bus application using PTP via the Station Bus network. 100 
Figure 49: Process Bus application using PTP via the Station Bus network. 101 
Figure 50: Time Sync expansion using RT411 and RT412 101 
 
 
 

List of Tables 
 
Table 1: Serial port pinout 32 
Table 2: Ethernet port 1 default settings 35 
Table 3: Ethernet port 2 default settings 35 
Table 4: Ethernet port 3 default settings (RT434) 35 
Table 5: Ethernet port 4 default settings (RT434) 35 
Table 6: Gateway and DNS Server default settings 36 
Table 7: Gateway and DNS Server 36 
Table 8: Factory default username and password 45 
Table 9: Summary of configurable network parameters 48 
Table 10: Summary of configurable time parameters 49 
Table 11: Customizable datagram special characters 52 
Table 12: Summary of all configurable parameters for outputs 53 
Table 13: Comparison between PTP Power Profiles 57 
Table 14: Summary of configurable PTP parameters 59 
Table 15: Power supply specifications 67 
Table 16: GNSS Antenna input specifications for temporal synchronization 67 
Table 17: GNSS Antenna specifications 68 
Table 18: Antenna Cable specifications 68 
Table 19: Surge arrester specifications 69 
Table 20: Internal oscillator specifications 69 
Table 21: RT430/434 rear panel connectors 70 
Table 22: Electrical outputs specifications 71 
Table 23: Open collector outputs specifications 71 
Table 24: Optical outputs specifications 72 
Table 25: Amplitude modulated output 72 
Table 26: RS232 or RS422/485 serial port specifications 73 
Table 27: Dry-contact relay specification 73 
Table 28: Event Input specification 73 
Table 29: PTP time synchronization protocol specifications 74 
Table 30: Ethernet ports specification 74 
Table 31: Environment specification 75 
Table 32: Enclosure Protection IEC 60529 75 
Table 33: EMC tests were performed according to IEC 60255-26 referring to the 
following standards 75 

 
 
Table 34: Safety tests 77 
Table 35: Environmental tests 77 
Table 36: Dimensions and weight specification RT430/434 78 
Table 37: IRIG-B standard summary 83 
Table 38: ACEB Datagram Information 93 
Table 39: GPZDA Datagram Time Information 94 
Table 40: GPZDA Datagram Line Feed and Carriage Return Information 94 
Table 41: GPZDA Datagram Checksum Information 94 
Table 42: Meinberg Datagram Time Information 95 
Table 43: Meinberg Datagram Beginning and End Information 95 
Table 44: Meinberg Datagram Locked State Information 95 
Table 45: Antenna cables attenuation @ 1500 MHz (±1 dB) 96 
Table 46: Attenuation of antenna cables 97 
 
 
 
 