Microchip technology Gridtime 3000 User manual

GridTime™ 3000 Installation Manual

Overview

The GridTime 3000 is a rack mountable precision time server for digital substation applications. Its timing protocols

and ports are enabled through license bundles (See 4. Licenses for a full list of all license bundles), allowing for

different functionality to be enabled as requirements change.

The GridTime 3000 has an extensive collection of different ports, including:

• Ten Ethernet ports (two RJ-45, eight SFP) on its front panel for Network Time Protocol (NTP) and Precision

Time Protocol (PTP) time synchronization

• Fifteen ports on its back panel for input of IRIG-B, and output of a range of legacy time and frequency signals

• An antenna connector on its back panel to utilize a GNSS reference.

The GridTime 3000 is suitable for use in synchronizing industrial control and supervisory control and data acquisition

(SCADA) equipment. It can provide time synchronization to many different devices simultaneously, such as Phasor

Measurement Units (PMUs), Protection Relays, Remote Telemetry Units (RTUs) and other Intelligent Electronic

Devices (IEDs) used in electrical substations and industrial control installations.

The GridTime 3000 is suitable for harsh electromagnetic environments as all its ports are electrically isolated. This

allows output wiring to feed out to operating areas in different earth potential zones without compromising site

earthing security. The isolation also protects the device from high voltage spikes.

and its subsidiaries

Manual DS00004572A-page 1

Table of Contents

Overview........................................................................................................................................................ 1

1. How to Use this Manual.......................................................................................................................... 6

1.1. Purpose of this Manual.................................................................................................................6

1.2. Who Should Read This Manual....................................................................................................6

1.3. Conventions Used in This Manual................................................................................................6

1.4. Warnings, Cautions, Tips, and Notes........................................................................................... 6

1.5. Related Documents and Information............................................................................................7

1.6. Where to Find Answers to Product and Document Questions.....................................................7

2. Key Benefits............................................................................................................................................8

2.1. Flexibility.......................................................................................................................................8

2.2. Redundancy................................................................................................................................. 8

2.3. Reliability......................................................................................................................................8

2.4. Time and Frequency Signals........................................................................................................9

2.5. IEC 62439-3:2016 Parallel Redundancy Protocol (PRP)...........................................................10

2.6. Event Monitoring........................................................................................................................ 10

2.6.1. Notifications................................................................................................................. 10

2.6.2. Internal Logging........................................................................................................... 11

2.6.3. Alarms..........................................................................................................................11

2.7. Device Management...................................................................................................................11

2.8. Security...................................................................................................................................... 12

2.8.1. User Security Model.................................................................................................... 12

3. Physical Overview.................................................................................................................................14

3.1. Front Panel.................................................................................................................................14

3.1.1. LCD Tabs.....................................................................................................................17

3.2. Back Panel................................................................................................................................. 19

3.3. Hardware Options...................................................................................................................... 22

3.3.1. Power Supply...............................................................................................................22

3.3.2. Oscillator......................................................................................................................22

3.4. Case Overview...........................................................................................................................23

4. Licenses................................................................................................................................................25

5. Alarms................................................................................................................................................... 26

5.1. Alarm Monitoring........................................................................................................................ 26

6. Installation.............................................................................................................................................27

6.1. Getting Started........................................................................................................................... 27

6.1.1. Security Considerations for Installations .....................................................................27

6.1.2. Site Survey.................................................................................................................. 27

6.1.3. Installation Tools and Equipment.................................................................................28

6.2. Installation Checklist...................................................................................................................29

6.3. Unpacking the Unit.....................................................................................................................30

6.3.1. Product Label...............................................................................................................30

6.4. Rack Mounting the GridTime 3000.............................................................................................30

and its subsidiaries

Manual DS00004572A-page 2

6.5. Making Ground and Power Connections....................................................................................31

6.5.1. Ground Connections....................................................................................................31

6.5.2. Power Connections......................................................................................................32

6.6. Signal Connections.................................................................................................................... 34

6.6.1. Admin Port Connections..............................................................................................35

6.6.2. Synchronization and Timing Connections................................................................... 36

6.6.3. Alarm Relay Connections............................................................................................ 49

6.7. Installing the GNSS Antenna......................................................................................................51

6.7.1. Microchip Antenna Kit versus Custom Equipment Installations...................................52

6.7.2. Custom Installation - Antenna Port Input Requirements..............................................52

6.7.3. Custom Installation - Antenna Recommendations.......................................................53

6.7.4. Custom Installation - Cable recommendations............................................................53

6.7.5. All Installations - Connection Recommendations........................................................ 53

6.7.6. All Installations - Antenna Placement Recommendations........................................... 53

6.7.7. All Installations - Delay Compensation........................................................................ 53

6.8. Powering the GridTime 3000......................................................................................................54

6.8.1. Powering Up................................................................................................................ 54

6.8.2. Powering Down............................................................................................................55

7. Clock Management Tool (CMT)............................................................................................................ 56

8. Simple Network Management Protocol (SNMP)................................................................................... 57

8.1. GridTime 3000 Management Information Base (MIB)................................................................57

8.2. Public MIB Support.....................................................................................................................57

9. Provisioning...........................................................................................................................................58

9.1. Establishing a Connection to the GridTime 3000.......................................................................58

9.2. Logging In and Out.....................................................................................................................58

9.3. Provisioning the General Clock Settings....................................................................................60

9.4. Provisioning the Admin Ethernet Port........................................................................................ 70

9.4.1. Static IP Address......................................................................................................... 71

9.4.2. DHCP IP Address........................................................................................................72

9.4.3. Link Local IP Address..................................................................................................75

9.5. Provisioning the Ethernet Ports..................................................................................................76

9.5.1. Static IP Address......................................................................................................... 78

9.5.2. DHCP IP Address........................................................................................................79

9.5.3. Link Local IP Address..................................................................................................81

9.5.4. Provisioning PRP.........................................................................................................82

9.5.5. Provisioning VLAN Settings.........................................................................................84

9.5.6. Provisioning NTP.........................................................................................................85

9.5.7. Provisioning PTP......................................................................................................... 93

9.6. Provisioning GNSS...................................................................................................................146

9.7. Provisioning the T1/E1/J1 Ports...............................................................................................154

9.7.1. Provisioning T1 Output.............................................................................................. 155

9.7.2. Provisioning J1 Output...............................................................................................157

9.7.3. Provisioning E1 Output..............................................................................................158

9.8. Provisioning the Pulse Ports.................................................................................................... 160

9.8.1. Provisioning Standard Pulse Outputs........................................................................160

and its subsidiaries

Manual DS00004572A-page 3

9.8.2. Provisioning G.703 Fixed Frequency Outputs...........................................................175

9.8.3. Provisioning AM IRIG-B Outputs............................................................................... 179

9.8.4. Provisioning IRIG-B Inputs........................................................................................ 183

9.9. Provisioning the Serial String Ports..........................................................................................184

9.10. Provisioning the Alarm Relay Ports..........................................................................................186

9.11. Provisioning Roles....................................................................................................................190

9.12. Provisioning SNMP Settings.................................................................................................... 195

9.12.1. Provisioning SNMP Notifications............................................................................... 197

9.12.2. Provisioning Syslog Notifications...............................................................................199

9.12.3. Provisioning SNMP Users......................................................................................... 201

9.13. Provisioning Users................................................................................................................... 204

10. Operating............................................................................................................................................ 209

10.1. Determining Status...................................................................................................................209

10.2. Test Mode.................................................................................................................................210

10.3. Changing Password................................................................................................................. 212

10.4. Changing a User's Password (Admin Only)............................................................................. 213

10.5. Upgrading the Firmware...........................................................................................................215

10.6. Retrieving the Internal Log Files...............................................................................................218

10.7. Adding new Licenses............................................................................................................... 220

11. Maintenance and Troubleshooting......................................................................................................222

11.1. Preventative Maintenance........................................................................................................222

11.2. Safety Considerations.............................................................................................................. 222

11.3. ESD Considerations.................................................................................................................222

11.4. Troubleshooting........................................................................................................................222

11.4.1. Alarm Conditions and Correction Actions..................................................................224

11.5. Antenna Installation Troubleshooting....................................................................................... 226

11.6. Power Supply Fuse Replacement............................................................................................226

11.7. Power Supply Replacement.....................................................................................................228

11.8. Returning the GridTime 3000................................................................................................... 232

11.9. Manual Updates....................................................................................................................... 232

11.10. Contacting Technical Support..................................................................................................232

12. Appendix A: Specifications..................................................................................................................234

12.1. Factory Hardware Options....................................................................................................... 234

12.2. Software License Options........................................................................................................ 234

12.3. Power Supply and Electrical Protection................................................................................... 235

12.4. Mechanical Specifications........................................................................................................235

12.5. Factory Default Settings...........................................................................................................236

12.6. Input and Output Electrical Specifications................................................................................238

12.7. Time String Specifications........................................................................................................239

12.8. GNSS Receiver Specification...................................................................................................250

13. Appendix B: Third Party Software Licenses........................................................................................252

13.1. Third Party Software.................................................................................................................252

14. Appendix C: Crimping Connectors......................................................................................................296

14.1. Crimping the DC Connector..................................................................................................... 296

and its subsidiaries

Manual DS00004572A-page 4

14.2. Crimping the AC Connector..................................................................................................... 296

15. Revision History.................................................................................................................................. 298

Microchip Information.................................................................................................................................299

The Microchip Website........................................................................................................................299

Product Change Notification Service.................................................................................................. 299

Customer Support............................................................................................................................... 299

Microchip Devices Code Protection Feature.......................................................................................299

Legal Notice........................................................................................................................................ 299

Trademarks......................................................................................................................................... 300

Quality Management System.............................................................................................................. 301

Worldwide Sales and Service..............................................................................................................302

and its subsidiaries

Manual DS00004572A-page 5

1. How to Use this Manual

This chapter describes the format, layout, and purpose of this manual.

1.1 Purpose of this Manual

Welcome to the GridTime™ 3000 GNSS Time Server.

This document aims to help you use the GridTime 3000 to reliably deliver high accuracy time to your end devices.

The GridTime 3000 Installation Manual contains everything you need to know for unpacking, installing, using,

maintaining, and troubleshooting the Microchip GridTime 3000 GNSS Time Server.

1.2 Who Should Read This Manual

This section describes who should read this manual and what chapters they should read.

Overview is written for general readers who want information about the product. Subsequent chapters contain

technical information about the product. Other chapters describe installation, maintenance, and configuration

instructions or details primarily intended for qualified maintenance personnel. This manual is designed for the

following categories of users:

• Systems Engineers – Overview provides an introduction to the GridTime™ 3000 GNSS Time Server. Cross-

references in this chapter direct you to detailed system information in other chapters as appropriate.

• Installation Engineers – Chapters 6. Installation through 10. Operating provide detailed information and

procedures to ensure proper installation, operation, configuration, and testing of the GridTime 3000.

• Maintenance Engineers – 11. Maintenance and Troubleshooting and the appendices provide preventive and

corrective maintenance guidelines, as well as procedures for diagnosing and troubleshooting fault indications

and alarms.

1.3 Conventions Used in This Manual

This section describes the conventions used in the GridTime 3000 Installation Manual.

This manual uses the following conventions:

•Acronyms and Abbreviations — Terms are spelled out the first time they appear in text. Thereafter, only the

acronym or abbreviation is used.

•Revision Control — The title page lists the printing date and versions of the product this manual describes.

•Wording Conventions — This manual uses the typographical conventions described in the table below.

Apperance of text Example Meaning

First letter initialized GridTime 3000 Installation Manual The title of a document or section.

All capital letters ADMIN An operating mode, alarm state,

status, or chassis label.

Bold and italicized. Microchip does not recommend... A word or term given special

emphasis.

1.4 Warnings, Cautions, Tips, and Notes

This section describes how warnings, cautions, tips and notes are used in the GridTime 3000 Installation Manual.

Warnings, Cautions, Tips, and Notes attract attention to essential or critical information in this guide. The types of

information used in this guide are as follows:

How to Use this Manual

and its subsidiaries

Manual DS00004572A-page 6

Important: All important information use this symbol. The information icon contain installation, operation,

or maintenance procedures, practices, conditions, or statements, that provide important information for

successful operation of the device.

DANGER

To avoid serious personal injury or death, do not disregard warnings. All warnings use this symbol.

Warnings are installation, operation, or maintenance procedures, practices, or statements, that if not

strictly observed, may result in serious personal injury or even death.

CAUTION

To avoid personal injury, do not disregard cautions. All cautions use this symbol. Cautions are installation,

operation, or maintenance procedures, practices, conditions, or statements, that if not strictly observed,

may result in damage to, or destruction of, the equipment. Cautions are also used to indicate a long-term

health hazard.

Tip: All tips use this symbol. Tips indicate manufacturer-tested methods or known functionality. Tips

contain installation, operation, or maintenance procedures, practices, conditions, or statements, that

provide important information for optimum performance results.

Note: All notes appear like this. Notes contain installation, operation, or maintenance procedures, practices,

conditions, or statements, that alert you to important information, which may make your task easier or increase

your understanding.

1.5 Related Documents and Information

See your Microchip representative or sales office ([email protected]) for a complete list of available

documentation.

1.6 Where to Find Answers to Product and Document Questions

For additional information about the products described in this guide, please contact your regional sales

representative or [email protected].

For assistance with a GridTime 3000 installation issue or to arrange a return, please contact nzp-

[email protected]. See www.microchip.com/support for more information.

How to Use this Manual

and its subsidiaries

Manual DS00004572A-page 7

2. Key Benefits

This section provides an overview of the GridTime™ 3000 GNSS Time Server’s key features.

2.1 Flexibility

With much of the power industry undergoing a digital migration, many utilities are transitioning from legacy time code

distribution to Ethernet-based time distribution. Consequently, time distribution requirements are evolving.

This is why the GridTime 3000 has been designed with a licensable hardware model, where licenses are loaded onto

the device to enable specific ports and functionality.

This way, if the time distribution needs change, and a legacy timing bus system is replaced with an Ethernet time

distribution system or a hybrid system, licenses can be purchased to enable the Ethernet timing functionality on the

GridTime 3000, instead of purchasing an entirely new time server.

2.2 Redundancy

As the power industry involves mission critical applications, ensuring equipment remains operational in the event of a

system failure is essential. This is why having redundant backup systems in place is crucial for bolstering resiliency

against failures.

For this reason, the GridTime 3000 includes multiple features, and expansion options for adding additional

redundancy.

These include:

• Parallel Redundancy Protocol (PRP) support on all Ethernet ports.

• Dual firmware images - the device stores a primary firmware image and a backup image.

– If the primary image cannot be booted, the backup image is booted instead, which becomes the new

primary image.

– This protects the device against upload of malicious or corrupted firmware.

• A dual oscillator expansion option. This offers resiliency in the event of an oscillator failure. See 3.3. Hardware

Options.

• A dual band GNSS receiver. This offers protection if GNSS spoofing or jamming is detected on one of the GNSS

bands.

2.3 Reliability

To meet the needs of the power industry, the GridTime 3000 has been equipped with features for ensuring robust and

reliable operation in the field.

These include:

• Isolated electrical inputs and outputs. This offers protection in the event of surges or large voltage transients.

• Field replaceable power supplies and power supply fuses. See 11.7. Power Supply Replacement

and 11.6. Power Supply Fuse Replacement.

• High temperature range tolerance on internal components: -10 ℃ ambient to ≥ +55 ℃ (14°F to 149 °F).

• Alarms (5. Alarms) and detailed internal logging. The GridTime 3000's detailed alarm and logging systems allow

users to easily self diagnose and remedy issues that appear in the field.

Key Benefits

and its subsidiaries

Manual DS00004572A-page 8

2.4 Time and Frequency Signals

This section describes the timing and frequency signals the GridTime™ 3000 GNSS Time Server can output, or use

as a time source for synchronization.

The GridTime 3000 can send and receive a variety of modern and legacy time signals for time and frequency

synchronization and syntonization.

The GridTime 3000 can output the following time and frequency signals:

• Unmodulated IRIG-B signals:

– IRIG-B004 with AFNOR or C37.118.1 extensions

– IRIG-B005 with AFNOR or C37.118.1 extensions

– IRIG-B006

– IRIG-B007

• Amplitude modulated IRIG-B (AM IRIG-B) signals:

– IRIG-B124 with AFNOR or C37.118.1 extensions

– IRIG-B125 with AFNOR or C37.118.1 extensions

– IRIG-B126

– IRIG-B127

• Modified Manchester modulated IRIG-B signals:

– IRIG-B224 with AFNOR or C37.118.1 extensions

– IRIG-B225 with AFNOR or C37.118.1 extensions

– IRIG-B226

– IRIG-B227

• Simulated DCF77 receiver output signal

• Custom pulse train signal (Programmable Pulse):

– Custom frequency — 1 pulse per day to 250 pulses per second

– Custom phase offset — none through to 1 wave period, configurable to the millisecond

– Custom Duration — none through to 1 wave period, configurable to the millisecond

• Output of ITU-T G.703 signals:

– T1/J1 interface at 1.544 kbits/s - G.703 section 7

– E1 interface at 2.048 kbits/s - G.703 section 11

– 2.048 MHz fixed frequency sine and square wave - G.703 section 15

– 1.544 MHz fixed frequency sine and square wave - Also follows G.703 section 15

– 10 MHz fixed frequency sine and square wave - G.703 section 20

• Output of time strings over a serial RS422 or RS232 connection (See 12.7. Time String Specifications for string

content definitions):

– NGTS string

– IRIG J-1x string

– String A-String H serial strings

– NMEA ZDA string

– NMEA RMC string

• PTP server mode support:

– IEEE® 1588-2008 E2E Default Profile server

– IEEE 1588-2008 P2P Default Profile server

– IEEE C37.238-2011 Power Profile server

– IEEE C37.238-2017 Power Profile server

– IEC/IEEE 61850-9-3 Power Utility Profile server

– ITU-T G.8275.1 Telecom Profile

– ITU-T G.8265.1 Telecom Profile

• NTP server support:

Key Benefits

and its subsidiaries

Manual DS00004572A-page 9

– NTP v1, v2, v3, and v4 server support

The GridTime 3000 can receive multiple time signals at once, but will only synchronize to one signal at a time. The

device follows its configured time source hierarchy when deciding which source to use for synchronization.

•GNSSs

GNSS time synchronization is supported and is recommended for use as the primary reference source for the

device. Any of the following GNSSs can be used simultaneously:

– GPS and QZSS

– GLONASS

– Galileo

– BeiDou

•IRIG-B

IRIG-B synchronization is supported through either of the IRIG In ports. The following signal formats can be

used:

– 0-5V TTL DCLS IRIG-B004 signals with C37.118.1 extensions

– 0-5V TTL DCLS IRIG-B005 signals with C37.118.1 extensions

•PTP

Depending on configuration, PTP ports could be either; forced PTP clients or can automatically enter client

mode after synchronization loss. The following PTP profiles can be used:

– IEEE 1588-2008 E2E Default Profile client

– IEEE 1588-2008 P2P Default Profile client

– IEEE C37.238-2011 Power Profile client

– IEEE C37.238-2017 Power Profile client

– IEC/IEEE 61850-9-3 Power Utility Profile client

– ITU-T G.8275.1 Telecom Profile

– ITU-T G.8265.1 Telecom Profile

•Simple Network Time Protocol (SNTP) client support

– SNTP v1, v2, v3, and v4 client support

2.5 IEC 62439-3:2016 Parallel Redundancy Protocol (PRP)

This section describes the functionality of PRP on the GridTime™ 3000 GNSS Time Server.

The GridTime 3000 supports PTP over Parallel Redundancy Protocol (PRP) on all of its Ethernet timing ports.

This allows a PTP client or server to be identically duplicated across two Ethernet ports on the device as a single

redundant interface. The GridTime 3000 can be configured to operate PRP over Ethernet timing ports 1 and 2,

Ethernet timing ports 3 and 4, Ethernet timing ports 5 and 6, Ethernet timing ports 7 and 8 and, Ethernet timing ports

9 and 10.

Note: This feature requires a PRP license to activate, and the Ethernet timing ports used must also be activated via

licenses.

Note: At no time will the GridTime 3000 operate as an Ethernet router, switch, or hub.

2.6 Event Monitoring

This section describes the supported methods for monitoring the GridTime™ 3000 GNSS Time Server’s operational

events.

2.6.1 Notifications

The GridTime 3000 generates a notification when a state change occurs, such as ‘out of sync’ to ‘in sync’, or a

system variable crosses a threshold This could include the satellite count dropping below the minimum allowable

satellites threshold.

Key Benefits

and its subsidiaries

Manual DS00004572A-page 10

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