hopf 8029NTS-V2/GPS Technical Manual

_____________________________________________________________

Technical Manual

GPS - NTP Time Server with LAN Interface

Model 8029NTS-V2/GPS

For DIN Rail Installation

(DIN EN 60715 TH35)

ENGLISH

Version: 08.00 - 28.08.2018

_____________________________________________________________

SET

IMAGE (8029)

FIRMWARE (8024)

Valid for

Version: 08.xx

Version: 08.xx

Version: 01.xx

Industriefunkuhren

2 / 121 GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00

hopf

Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

INPORTANT NOTES

GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00 3 / 121

hopf

Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

Version Numbers (Firmware / Description)

THE TERM SET DEFINES THE FIXED RELATIONSHIP BETWEEN THE IMAGE VERSION

AND THE ASSOCIATED H8 FIRMWARE VERSION.
THE FIRST TWO DIGITS OF THE TECHNICAL DESCRIPTION VERSION NUMBER, THE

SET VERSION AND THE IMAGE VERSION MUST BE THE SAME! THEY DESIGNATE THE

SHARED FUNCTIONAL IDENTITY BETWEEN DEVICE, SOFTWARE AND TECHNICAL

DESCRIPTION.
THE VERSION NUMBER OF THE IMAGE AND THE H8 SOFTWARE CAN BE READ IN THE

WEBGUI OF TIME SERVER 8029NTS/GPS (SEE CHAPTER 7.3.5.1 DEVICE
INFORMATION AND CHAPTER 7.3.5.2 HARDWARE INFORMATION).

THE TWO DIGITS AFTER THE DOT IN THE VERSION NUMBER DESIGNATES
CORRECTIONS TO THE FIRMWARE AND/OR DESCRIPTION WHICH HAVE NO EFFECT ON
FUNCTIONALITY.

Downloading Technical Manuals

All current manuals of our products are available free of charge via our homepage on the
Internet.

Homepage: http://www.hopf.com
E-mail: [e-mail]

Symbols and Characters

Operational Reliability

Disregard may cause damages to persons or material.

Functionality

Disregard may impact function of system/device.

Information

Notes and Information.

SERVICE RELIABILITY

4 / 121 GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00

hopf

Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

Safety regulations

The safety regulations and observance of the technical data serve to
ensure trouble-free operation of the device and protection of persons and
material. It is therefore of utmost importance to observe and compliance
with these regulations.

If these are not complied with, then no claims may be made under the
terms of the warranty. No liability will be assumed for any ensuing
damage.

Safety of the device

This device has been manufactured in accordance with the latest
technological standards and approved safety regulations

The device should only be put into operation by trained and qualified staff.
Care must be taken that all cable connections are laid and fixed in position
correctly. The device should only be operated with the voltage supply
indicated on the identification label.

The device should only be operated by qualified staff or employees who
have received specific instruction.

If a device must be opened for repair, this should only be carried out by
employees with appropriate qualifications or by

hopf

Elektronik GmbH.

Before a device is opened or a fuse is changed all power supplies must
be disconnected.

If there are reasons to believe that the operational safety can no longer
be guaranteed the device must be taken out of service and labelled
accordingly.

The safety may be impaired when the device does not operate properly
or if it is obviously damaged.

CE-Conformity

This device fulfils the requirements of the EU directive 2014/30/EU
"Electromagnetic Compatibility" and 2014/35/EU "Low Voltage Equipment".

Therefore the device bears the CE identification marking
(CE = Communautés Européennes = European communities)

The CE indicates to the controlling bodies that the product complies with the requirements of
the EU directive - especially with regard to protection of health and safety for the operator and
the user - and may be released for sale within the common markets.

TABLE OF CONTENTS

GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00 5 / 121

hopf

Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

Contents Page

1 GPS - NTP Time Server 8029NTS/GPS ........................................................................ 9

2 System Structure ................................................................................................ ........ 12

2.1 Housing ................................................................................................................... 12

2.2 Power Supply .......................................................................................................... 12

2.3 Functional Overview of the Front Panel Elements ................................................... 12

2.3.1 Reset-(Default) Button ....................................................................................................... 12

2.3.2 NTP Status LEDs (NTP/Stratum/Accuracy) ....................................................................... 13

2.3.3 USB-Port ............................................................................................................................ 13

2.3.4 LAN Interface ETH0 ........................................................................................................... 13

2.3.4.1 MAC-Address for ETH0 .............................................................................................................. 14

2.3.5 Sync Status Optical Coupler .............................................................................................. 14

2.3.6 Sync Status LEDs .............................................................................................................. 14

2.3.7 GPS Antenna Input ............................................................................................................ 15

3 Function Principle ....................................................................................................... 16

3.1 Block Diagram ......................................................................................................... 16

3.2 Function 8029NTS (WebGUI: Device) ..................................................................... 17

3.3 Function 8024GPS (WebGUI: Sync Source) ........................................................... 17

4 System Behaviour ....................................................................................................... 18

4.1 Boot Phase .............................................................................................................. 18

4.2 NTP Adjustment Process (NTP/Stratum/Accuracy) ................................................. 18

4.3 Reset-(Default) Button ............................................................................................. 18

4.4 Firmware Update ..................................................................................................... 19

4.4.1 Firmware Update 8029NTS (WebGUI: Device) ................................................................. 19

4.4.2 Firmware Update 8024GPS (WebGUI: Sync Source) ....................................................... 20

4.5 Activation of Functions (Activation Key) ................................................................... 21

5 Installation ................................................................................................ ................... 22

5.1 Installation/Dismounting of the DIN Rail Housing ..................................................... 22

5.1.1 Mounting ............................................................................................................................ 22

5.1.2 Dismounting ....................................................................................................................... 22

5.2 Protective Earth Conductor (Grounding) .................................................................. 23

5.3 Power Connection ................................................................................................... 23

5.3.1 AC Power Supply ............................................................................................................... 23

5.3.1.1 Safety and Warning Instructions ................................................................................................. 23

5.3.1.2 Connection to various Power Networks ...................................................................................... 24

5.3.1.3 Power Cable Connection ............................................................................................................ 24

5.3.1.4 Voltage Input / Fuse Protection ................................................................................................... 25

5.3.1.5 Power Supply Specifications ....................................................................................................... 25

5.3.1.6 Power LED .................................................................................................................................. 25

5.3.2 DC Power Supply ............................................................................................................... 25

5.3.2.1 Power Supply Unit Specifications ............................................................................................... 26

5.3.2.2 Fuse Protection ........................................................................................................................... 26

5.4 Connection GPS Antenna System ........................................................................... 26

TABLE OF CONTENTS

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Elektronik GmbH

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5.5 Connection LAN Interface ETH0.............................................................................. 27

5.6 Connection Sync Status Optical Coupler ................................................................. 27

6 Commissioning ........................................................................................................... 28

6.1 General Procedure .................................................................................................. 28

6.2 Switching on the Operating Voltage ......................................................................... 29

6.3 Establish the Network Connection via Web Browser ............................................... 29

6.4 Network Configuration for ETH0 via LAN through

hmc

.......................................... 29

7 HTTP/HTTPS WebGUI – Web Browser Configuration Interface ............................... 33

7.1 Quick Configuration ................................................................................................. 33

7.1.1 Requirements ..................................................................................................................... 33

7.1.2 Configuration Steps............................................................................................................ 33

7.2 General – Introduction ............................................................................................. 34

7.2.1 LOGIN and LOGOUT as User ........................................................................................... 35

7.2.2 Navigation via the Web Interface ....................................................................................... 36

7.2.3 Enter or Changing Data ..................................................................................................... 37

7.2.3.1 Changing of Data in 8029NTS (WebGUI: Device) ...................................................................... 37

7.2.3.2 Changing of Data in 8024GPS (WebGUI: Sync Source) ............................................................ 38

7.2.4 Plausibility Check during Input ........................................................................................... 39

7.3 Description of the Tabs ............................................................................................ 40

7.3.1 GENERAL Tab ................................................................................................................... 40

7.3.2 NETWORK Tab .................................................................................................................. 42

7.3.2.1 Host/Nameservice ...................................................................................................................... 42

7.3.2.1.1 Hostname .......................................................................................................................... 42

7.3.2.1.2 Use Manual DNS Entries ................................................................................................ ... 43

7.3.2.1.3 DNS Server 1 to 3 .............................................................................................................. 43

7.3.2.1.4 Use Manual Gateway Entries ............................................................................................ 43

7.3.2.1.5 Default Gateway IPv4 ........................................................................................................ 43

7.3.2.1.6 Default Gateway IPv6 ........................................................................................................ 43

7.3.2.1.7 Network Interface ETH0..................................................................................................... 44

7.3.2.1.8 Default Hardware Address (MAC) ..................................................................................... 44

7.3.2.1.9 Customer Hardware Address (MAC) ................................................................................. 45

7.3.2.1.10 DHCP ................................................................................................................................ 45

7.3.2.1.11 IPv4 Address ..................................................................................................................... 45

7.3.2.1.12 IPv4 Network Mask ............................................................................................................ 45

7.3.2.1.13 Operation Mode ................................................................................................................. 46

7.3.2.1.14 Maximum Transmission Unit (MTU) .................................................................................. 46

7.3.2.1.15 IPv6 ................................................................................................................................... 46

7.3.2.1.16 DHCP-IPv6 ........................................................................................................................ 46

7.3.2.1.17 IPv6 Address ..................................................................................................................... 47

7.3.2.1.18 IPv6 Subnet Prefix Lengh .................................................................................................. 47

7.3.2.1.19 VLAN (Activation Key necessary) ...................................................................................... 47

7.3.2.2 Routing (Activation Key necessary) ............................................................................................ 48

7.3.2.3 Routing File ................................................................................................................................. 49

7.3.2.4 Management (Management-Protocols – HTTP, SNMP etc.) ...................................................... 50

7.3.2.4.1 SNMPv2 / SNMPv3 (Activation Key required) ................................................................... 51

7.3.2.5 Time ............................................................................................................................................ 52

7.3.2.5.1 Synchronization Protocols (Time Protocols – NTP, SNTP etc.) ......................................... 52

7.3.2.5.2 SINEC H1 time datagram (Activation Key necessary) ....................................................... 53

7.3.3 NTP Tab ............................................................................................................................. 54

7.3.3.1 System Info ................................................................................................................................. 55

7.3.3.2 Kernel Info .................................................................................................................................. 55

7.3.3.3 Peers .......................................................................................................................................... 56

7.3.3.4 Server Configuration ................................................................................................................... 57

TABLE OF CONTENTS

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Elektronik GmbH

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7.3.3.4.1 Synchronization Source (General / Synchronization source) ............................................. 57

7.3.3.4.2 NTP Syslog Messages (General / Log NTP Messages to Syslog) .................................... 57

7.3.3.4.3 Crystal Operation ............................................................................................................... 58

7.3.3.4.4 Broadcast / Broadcast Address ......................................................................................... 59

7.3.3.4.5 Broadcast / Authentication / Key ID ................................................................................... 59

7.3.3.4.6 Additional NTP SERVERS ................................................................................................. 59

7.3.3.5 Extended NTP Configuration ...................................................................................................... 60

7.3.3.5.1 Suppression of unspecified NTP Outputs (Block Output when Stratum Unspecified) ........ 60

7.3.3.5.2 NTP Timebase ................................................................................................................... 61

7.3.3.6 Restart NTP ................................................................................................................................ 62

7.3.3.7 Configuring the NTP Access Restrictions ................................................................................... 63

7.3.3.7.1 NAT or Firewall .................................................................................................................. 63

7.3.3.7.2 Blocking Unauthorised Access .......................................................................................... 64

7.3.3.7.3 Allowing Client Requests ................................................................................................... 64

7.3.3.7.4 Internal Client Protection / Local Network Threat Level ..................................................... 64

7.3.3.7.5 Addition of Exceptions to Standard Restrictions ................................................................ 65

7.3.3.7.6 Access Control Options ..................................................................................................... 66

7.3.3.8 Symmetric Key ............................................................................................................................ 67

7.3.3.8.1 Why Authentication? .......................................................................................................... 67

7.3.3.8.2 How is Authentication used in the NTP Service? ............................................................... 67

7.3.3.8.3 How is a key created? ....................................................................................................... 68

7.3.3.8.4 How does authentication work? ......................................................................................... 68

7.3.3.9 Autokey ....................................................................................................................................... 69

7.3.4 ALARM Tab (Activation Key necessary) ............................................................................ 70

7.3.4.1 Syslog Configuration ................................................................................................................... 70

7.3.4.2 E-mail Configuration ................................................................................................................... 71

7.3.4.3 SNMP Configuration / TRAP Configuration ................................................................................ 72

7.3.4.4 Alarm Messages ......................................................................................................................... 73

7.3.5 DEVICE Tab ....................................................................................................................... 74

7.3.5.1 Device Information ...................................................................................................................... 74

7.3.5.2 Hardware Information ................................................................................................................. 74

7.3.5.3 Restoring the Factory Defaults Settings ..................................................................................... 75

7.3.5.4 Restarting the Module (Reboot Device / Hardware Reset) ......................................................... 76

7.3.5.5 Image Update for Module 8029NTS (WebGUI: Device) ............................................................. 77

7.3.5.5.1 Select Image Update ......................................................................................................... 78

7.3.5.5.2 Installation Image Update .................................................................................................. 79

7.3.5.1 Upload von Anwender SSL-Server-Zertifikat (Upload Certificate) .............................................. 79

7.3.5.2 Customized Security Banner ...................................................................................................... 80

7.3.5.3 Product Activation ....................................................................................................................... 81

7.3.5.4 Diagnostics Function .................................................................................................................. 82

7.3.5.5 Passwords (Master/Device) ........................................................................................................ 82

7.3.5.6 Downloading Configuration Files / SNMP MIB............................................................................ 83

7.3.6 GPS SYNC SOURCE Tab ................................................................................................. 84

7.3.6.1 Time and Status .......................................................................................................................... 84

7.3.6.2 Set Sync Source Time ................................................................................................................ 85

7.3.6.3 Time Zone Offset ........................................................................................................................ 86

7.3.6.4 Daylight Saving Time (DST) ....................................................................................................... 87

7.3.6.5 Receiption Quality ....................................................................................................................... 88

7.3.6.6 Reception Mode .......................................................................................................................... 89

7.3.6.7 Receiver Position ........................................................................................................................ 89

7.3.6.8 SyncON / SyncOFF .................................................................................................................... 90

7.3.6.9 Module Info ................................................................................................................................. 91

7.3.6.10 Module Reset .............................................................................................................................. 91

7.3.6.11 Factory Default ........................................................................................................................... 92

7.3.6.12 H8 Firmware Update (Sync Source) ........................................................................................... 93

7.3.6.13 Sync Source Errors ..................................................................................................................... 94

7.3.6.14 Sync Status OC .......................................................................................................................... 96

8 SSH and Telnet Basic Configuration ......................................................................... 97

9 Fault Analysis / Troubleshooting ............................................................................... 98

TABLE OF CONTENTS

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Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

9.1 Error Patterns .......................................................................................................... 98

9.1.1 Complete Failure ................................................................................................................ 98

9.1.2 No GPS Reception / No Synchronization .......................................................................... 98

9.1.3 No Daylight Saving Time / Summer Time Switchover ..................................................... 100

9.2 Support by Company

hopf

................................................................................... 100

10 Maintenance .............................................................................................................. 101

10.1 General Guidelines for Cleaning ............................................................................ 101

10.2 Cleaning the Housing ............................................................................................ 101

11 Technical Data .......................................................................................................... 102

11.1 General – 8029NTS/GPS ...................................................................................... 102

11.2 Module 8029NTS .................................................................................................. 103

11.3 Module 8024GPS .................................................................................................. 104

11.4 Power Supplies ..................................................................................................... 105

11.5 Dimensions – DIN Rail Housing............................................................................. 107

12 Factory Defaults of Time Server 8029NTS/GPS ...................................................... 108

12.1 Factory Default Values of Module 8029NTS (Device) ............................................ 108

12.1.1 Network ............................................................................................................................ 108

12.1.2 NTP .................................................................................................................................. 109

12.1.3 ALARM ............................................................................................................................. 110

12.1.4 DEVICE ............................................................................................................................ 110

12.2 Factory Default Values of Module 8024GPS (Sync Source) .................................. 111

13 Glossary and Abbreviations .................................................................................... 112

13.1 NTP-specific Terminology...................................................................................... 112

13.2 Tally Codes (NTP-specific) .................................................................................... 112

13.2.1 Time-specific expressions ................................................................................................ 113

13.3 Abbreviations ......................................................................................................... 114

13.4 Definitions ................................................................ ............................................. 115

13.4.1 DHCP (Dynamic Host Configuration Protocol) ................................................................ 115

13.4.2 NTP (Network Time Protocol) .......................................................................................... 115

13.4.3 SNMP (Simple Network Management Protocol) .............................................................. 116

13.4.4 TCP/IP (Transmission Control Protocol / Internet Protocol) ............................................ 116

13.5 Accuracy & NTP Basic Principles .......................................................................... 116

14 List of RFCs ............................................................................................................... 118

15 List of Open Source Packages Used ....................................................................... 119

GPS - NTP TIME SERVER 8029NTS/GPS

GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00 9 / 121

hopf

Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

1 GPS - NTP Time Server 8029NTS/GPS

By GPS time synchronization and the worldwide used time protocol NTP (Network Time
Protocol) the Time Server 8029NTS/GPS turns into a highly accurate NTP Stratum 1 Time

Server. It is used for the synchronization of computers and industrial networks.
The Time Server supports the following synchronization protocols:

• NTP (incl. SNTP)

• Daytime

• Time

• SINEC H1 time datagram (Activation Key necessary)

The Time Server is integrated into a compact DIN Rail housing and is characterized by its
easy and simple operation, although it offers a broad range of functions. Some of the
practice-oriented functionalities are:

• Complete parameterisation via protected WebGUI access
All required settings for operation can be executed via a password proteded WebGUI

also giving an overview of the status of the Time Server 8029NTS/GPS.

• Monitoring of GPS antenna circuit
An error message is generated when there is a short circuit in the GPS antenna circuit

or an open antenna input.

• Automatic switch-over of summer/winter time (initial setting required)
After initial commissioning there is no user intervention for a correct summer/winter

time changeover for the following years required.

• Automatic handling of the leap second
Insertion of a leap second in UTC time is automatically recognised and executed by

the the Time Sever 8029NTS/GPS.

GPS - NTP TIME SERVER 8029NTS/GPS

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Elektronik GmbH

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A superior security is guaranteed via available coding procedures such as symmetric keys,
autokey and access restrictions and deactivation of non-used protocols.

Diffferent Managemenet and Monitoring Functions are availabe as options (e.g. SNMP,
SNMP-Traps, E-mail notification, Syslog-messages including MIB II and private Enterprise
MIB).

Currently the Time Server 8029NTS/GPS offers following unlockable functions:

• SINEC H1 time datagram

• Static Routing Table

• Alarming and management features

• IEEE 802.1Q Tagged VLAN

A few other basic functions of the Time Server 8029NTS/GPS:

• The Time Server 8029NTS/GPS operates as NTP Server with Stratum 1

• Easy operation via WebGUI

• Status LEDs on the front panel

• Sync status output via optical coupler

• High freewhell accuracy provided by GPS-supported regulation of the internal quartz

basis

• Completely maintance-free system

• SyncOFF Timer (reception failure bypassing) for operation free of fault messages

even based on difficult reception conditions

• Redundant multiple validation of the synchronization signal for an error-free and
leapfree signal evaluation

• Maintefnace-free, buffered backup clock for at least three days

Software supplied:

•

hmc

Remote Software for the operating systems:

o Microsoft® Windows® NT/2000/XP/VISTA/7 (32/64 Bit)
o Microsoft® Windows® Server 2003/2008 (32/64 Bit)
o Linux® (32/64 Bit)
o Oracle® Solaris SPARC/x86
o IBM AIX® (ab Version 5.2)
o HP-UX 11i (RS232 support only for PA-RISC architecture)

GPS - NTP TIME SERVER 8029NTS/GPS

GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00 11 / 121

hopf

Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

Overview of the functions of the network Time Server 8029NTS/GPS:

Ethernet Interface

• Auto negotiate

• 10 Mbps half-/full duplex

• 100 Mbps half-/full duplex

Time Protocols

• NTPv4 Server

• NTP Broadcast Mode

• NTP Multicast Mode

• NTP Client for additional NTP Servers (redundancy)

• SNTP Server

• NTP Symmetric Key Encryption

• NTP Autokey Encryption

• NTP Access Restrictions

• PPS Time Source

• SINEC H1 time datagram (Activation Key necessary)

• RFC-867 DAYTIME Server

• RFC-868 TIME Server

Network Protocols

• HTTP/ HTTPS

• DHCP

• Telnet

• SSH

• SNMPv3, SNMP Traps (MIB II, Private Enterprise MIB) (Activation Key necessary)

• NTP (including SNTP)

• SINEC H1 time datagram (Activation Key necessary)

Configuration Channel

• HTTP/HTTPS WebGUI (browser-based)

• Telnet

• SSH

• External LAN configuration tool (

hmc

– Network-Configuration-Assistant)

•

hmc

Remote connection

Additionally Freatures

• E-mail notification (Activation Key necessary)

• Syslog messages to external syslog server (Activation Key necessary)

• Routing (Activation Key necessary)

• Update via TCP/IP

• Fail-safe

• Watchdog circuit

• System management

• Customized security banner

SYSTEM STRUCTURE

12 / 121 GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00

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Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

2 System Structure

Views of the Timer Server 8029NTS/GPS with AC and DC power supply.

2.1 Housing

The Time Server 8029NTS/GPS is built into a closed aluminium profile housing for DIN Rail
mounting according to DIN EN 60715 TH35.

2.2 Power Supply

Currently the following types of power supplies are available:

• AC/DC wide range power supply 100-240V AC / 110-250V DC
Type: AC-M05-D

• DC power supply 18-36V DC (nominal voltage 24V DC)
Type: DC24-M15-D

• DC power supply 36-76 VDC (nominal voltage 48V DC)
Type: DC48-M15-D

2.3 Functional Overview of the Front Panel Elements

This chapter describes the individual front panel elements and their functions.

2.3.1 Reset-(Default) Button

The Reset-(Default) Button is accessible with a thin object through the
small drilling in the front panel next to the "Reset" inscription" (see
Chapter 4.3 Reset-(Default) Button).

SYSTEM STRUCTURE

GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00 13 / 121

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Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

2.3.2 NTP Status LEDs (NTP/Stratum/Accuracy)

NTP-LED (Green)

NTP sewrvice of the Time Server 8029NTS/GPS

On

Standard, running

Off

Not running

Stratum1-LED
(Green)

The NTP service of the Time Server 8029NTS/GPS
works with:

On

Stratum 1

Flashes

Stratum 2-15

Off

Stratum 16 (no synchronization of NTP Clients)

Accuracy-LED
(Green)

The NTP service of the Time Server 8029NTS/GPS
works with accuracy of:

On

high

Flashes

medium

Off

low

2.3.3 USB-Port

On specific problems the USB connection can be used for a system recovery
after consulting the

hopf

Support.

2.3.4 LAN Interface ETH0

10/100-LED
(Green)

Description

Off

10 MBit Ethernet detected

On

100 MBit Ethernet detected

lnk/act-LED
(Yellow)

Description

Off

No LAN connection to a network

On

LAN connection available

Flashes

Network activity at ETH0 (transmission / reception)

Pin No.

Assignment

1

Tx+ 2 Tx– 3 Rx+

4

Not in use

5

Not in use

6

Rx–

7

Not in use

8

Not in use

SYSTEM STRUCTURE

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hopf

Elektronik GmbH

Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: [phone] • Fax: [phone] • Internet: http://www.hopf.com • E-Mail: [e-mail]

2.3.4.1 MAC-Address for ETH0

Each LAN interface is clearly identifiable on the Ethermet via a unique MAC Address
(hardware address).

The MAC address given for the LAN interface ETH0 can be read in WebGUI of the appropriate
board or be evaluated via the

hmc

Network Configuration Assisant. The MAC address is

uniquely assigned for each LAN interface by the company

hopf

Elektronik GmbH.

The factory set MAC address for the Time Server 8029NTS/GPS is stated
on a sticker laterally positioned on the exterior of the housing of the device.

hopf

Elektronik GmbH MAC addresses begin with 00:03:C7:xx:xx:xx.

2.3.5 Sync Status Optical Coupler

Sync Status Optical Coupler

3-pole pluggable Connector

Pin

Signal

1

Collector

2

n.c. 3 Emitter

2.3.6 Sync Status LEDs

Sync Status LEDs

LED

Meaning

RD

Status LED red

GN

Status LED green

The Status LEDs on the front panel signal the current (synchronization) status of the Sync
Source (here Module 8024GPS). The meanings of the LEDs are as follows:

LED RD

- Red

LED GN

- Green

Status

STATUS

Code

Off

ON

Sync (radio-synchronous) with quartz regulation

SYNC

Off

Flashes

Sync (radio-synchronous) - SyncOFF timer running

SYOF

Flashes

ON

Sync (radio-synchronous) - simulation mode

SYSI

Flashes

Flashes

Quarz - SyncON timer running

QUON

ON

ON

Quarz - time was set via synchronization source

QUEX

ON

Flashes

Quarz - time set manually or after reset

QUSE

ON

Off

No valid time

INVA

Off

Off

No operating voltage / faulty

---

3Hz

Off

General Module Error (PCID)

INVA

3Hz

Invert

3Hz

User-Settings missing
(Difference time / ST-WT changeover)

INVA

SYSTEM STRUCTURE

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2.3.7 GPS Antenna Input

GPS Antenna

BNC connector

GPS

Antenna input

The antenna input provides an internal monitoring for “short-circuit“and
“open input“.

FUNCTION PRINCIPLE

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3 Function Principle

This chapter describes the function principle of the Time Server 8029NTS/GPS and the
internal relations between the different functional groups.

3.1 Block Diagram

• Internal Supply Voltage
The individual functional components are supplied with the required operating voltage

via the implemented power supply unit.

• Firmware Update
A H8 firmware update of the Sync Souce (here Module 8024GPS) is completey

controlled by Module 8029NTS.
The update file for Module 8024GPS is loaded into Module 8029NTS via LAN through
the WebGUI. Then Module 8029NTS performs the update of the Sync Source (here
Module 8024GPS) independently.

• Management
The entire control of the Sync Source (here Module 8024GPS) is done by Module

8029NTS. All data of the Sync Source, indicated via WebGUI, are demanded cyclically
by Module 8029NTS from the Sync Source (here Module 8024GPS) or if necessary.
These data are then prepared for the display in WebGUI. After activation settings for
the Sync Source are transferred to the Sync Source immediately.

• High Precision Time
The Sync Source provides a high-precision time information and the according

synchronization status to Module 8029NTS. This time and status information is used
for synchronization of the NTP service and if applicable other signal generations
running on 8029NTS.

FUNCTION PRINCIPLE

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3.2 Function 8029NTS (WebGUI: Device)

The Module 8029NTS is the "heart" of the Time Server 8029NTS/GPS. A complete LINUX
operating system is running on this Module providing all functions such as NTP, WebGUI etc.
The Module also controls the connected Sync Source (here Module 8024GPS). Using the
high-precise time information of Module 8024GPS the NTP service running on Module
8029NTS is also adjusted with high-precision. Thus the Module 8029NTS is a very precise

NTP STRATUM 1 - Time Server.

3.3 Function 8024GPS (WebGUI: Sync Source)

The Module 8024GPS is in principle an independent Module with GPS receiver and its own
µProcessor. In synchronous status it provides a high-precise time information to the Module
8029NTS. The control of Module 8024GPS in this system is completely done via Module
8029NTS. Parameters required by Module 8024GPS or provided are entered into WebGUI of
Module 8029NTS or rather be output.

The Module 8024GPS has an own failsafe memory in which all required data for operation
after generation via WebGUI are stored.

As the data of the Sync Source for the WebGUI indication need to be received by the Module
8029NTS at first, it is no real-time indication in WebGUI.

SYSTEM BEHAVIOUR

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4 System Behaviour

This chapter describes the behaviour of the system in special operational phases and
conditions.

4.1 Boot Phase

The boot process of the Time Server 8029NTS/GPS starts after turning on the system or a
reset.

During the boot process the Module 8029NTS boots its LINUX operation system and is
therefore not available via LAN.

The end of the boot process is reached when the green NTP LED is shining and thereby
indicates that the NTP service on Module 8029NTS has been started and enabled. The boot
process lasts approx. 1-1.5 minutes.

4.2 NTP Adjustment Process (NTP/Stratum/Accuracy)

NTP is a regulation process. After start of the NTP services, automatically processed during
booting, the Time Server 8029NTS/GPS requires approximately 5-10 minutes after
synchronization of the Sync Source (Status "SYNC") until NTP is set to the high accuracy of
the Sync Source (here Module 8024GPS) and reaches the optimized operation condition of
STRATUM = 1 and ACCURACY = High.

The decisive factors here are accuracy of the synchronization source and the appropriate
synchronization condition of the Sync Source.

4.3 Reset-(Default) Button

The Time Server 8029NTS/GPS can be reset by the Reset-(Default) Button behind the front
panel of the board. The Reset-(Default) Button is accessible with a thin object through the
small drilling in the front panel.

The button triggers different functions depending on how long it is pressed:

Duration

Function

< 1 sec.

No action

1 - 9 sec.

After releasing a systemwide hardware reset is triggered

>= 10 sec.

After releasing a FACTORY DEFAULT followd by a REBOOT is
triggered after approx. 10 seconds

SYSTEM BEHAVIOUR

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4.4 Firmware Update

The Time Server 8029NTS/GPS is a multi processor system. For this reason a firmware
update always consists of a so called Software SET including up to three (3) program releases
defined by the SET version needed to be loaded into the board.

ATTENTION
In order to select the correct image update, Chapter 7.3.5.5.1 Select

Image Update must be checked!

An update is a critical process.
The device should not be turned off during the update and the network
connection to the device not be interrupted.

All programs of a SET needed to be uploaded to ensure a defined
operation condition.

The progam releases assigned to a SET version may be taken from the
release notes of the software SETs of the Time Sever 8029NTS/GPS.

4.4.1 Firmware Update 8029NTS (WebGUI: Device)

The general process of a software update of Module 8029NTS is described below:

For selection of the correct update set the identifier 8029NTS-V2 has to be
observed obligatory. The extension V2 describes a hardware version of
8029NTS.

8029NTS-V2 can be recognized:

• By the imprint stated on the front panel "

hopf

8024GPS / 8029NTS"

• By the label on the housing cover "8029NTS-V2"

• In WebGUI at the Web-banner "8029NTS-V2"

The firmware update 8029NTS-V2 has to be performed as a SET.
The software package contained in the ZIP archive has to be unpacked. The following steps

have to be executed in the following sequence:

1. Image Update 8029NTS-V2

2. H8 Firmware Update 8029NTS-V2 (optional)

3. H8 Firmware Update 8024GPS

SYSTEM BEHAVIOUR

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Image Update

1. Log in as Master in WebGUI of the board.

2. Select in Device tab the menu item Image Update.

3. Select the file with the file .img via the selection window.

4. The selected file is shown in the selection window.

5. The update process is started with the button Upload now.

6. In WebGUI the successful file transfer and writing to the Module is indicated.

7. In WebGUI the successful update is indicated after 2-3 minutes with the request to
release a reboot of the board.

8. After activation and successful reboot of the board the image update process is
finished.

H8 Update (Optional – only when in WebGUI available)

9. Log in as Master in WebGUI of the board.

10. Select in the Device tab the menu item H8 Firmware Update.

11. Select the file with the file extension .mot for Module 8029 via the selection window.

12. The selected file is shown in the selection window.

13. The update process is started with the button Upload now.

14. In WebGUI the successful file transfer to the Module is indicated.

15. Now the update of the board automatically starts after a few seconds.

16. After successful update the board automatically reboots.

17. After approx. 2 minutes the H8 update process is finished and the board is again
accessible via WebGUI.

4.4.2 Firmware Update 8024GPS (WebGUI: Sync Source)

H8 Firmware Update 8024GPS

1. Log in as Master in WebGUI of the board.

2. Select in the GPS SYNC SOURCE tab the menu item H8 Firmware Update.

3. Select the file with the file extension .mot for Module 8024 via the selection window.

4. The selected file is shown in the selection window.

5. The update process is started with the button Upload now.

6. In WebGUI the successful file transfer to the Module is indicated.

7. Now the update of the board automatically starts after a few seconds.

8. After successful update the board automatically reboots.

9. After approx. 2 minutes the H8 update process is finished and the board is again
accessible via WebGUI.

SYSTEM BEHAVIOUR

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4.5 Activation of Functions (Activation Key)

The Time Server 8029NTS/GPS offers several functions that require an "Activation Key".
These functions are only available after entering a valid activation key related to the serial

number of the Module 8029NTS (not the serial number of the overall system).
The activation of such function(s) can be done by default and also later by the user if required.

These functions are:

• IEEE 802.1Q Tagged VLAN
By activating this function network interfaces can be configured with additional VLANs

(Virtual Bridged Local Area Networks) according to IEEE 802.1q.

• Static Routing Table
This function is suitable for configuring static routes based on special network

configuration requirements.

• Alarming and management features
This function enables to use SNMP (SNMPv2c, SNMPv3), Syslog and Email

notification to monitor the system status. Together with the assets provided in the
MIB II by default, the

hopf

Private Enterprise MIB is also made available. By using

the

hopf

Private Enterprise MIB numerous product-specific assets for realizing

extended management and control functions are available.

• SINEC H1 time datagram
By activating this function SINEC H1 time datagram can be parameterized and issued

via the LAN interface.

The settings for activation keys (e.g. an entered activation key) are neither
modified nor influenced by the function FACTORY.

INSTALLATION

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5 Installation

The installation of the Time Server 8029NTS/GPS is described below.

5.1 Installation/Dismounting of the DIN Rail Housing

The Time Server 8029NTS/GPS can be mounted on all rails in accordance with DIN EN 60715
TH35 and is designed for horizontal mounting.

Dimensions

The dimensions of the housing can be found in Chapter 11.5 Dimensions – DIN Rail Housing.

• Time Server 8029NNTS/GPS – Housing: TYPE 2

In order to guarantee an adequate convection, we recommend the
following minimum distance from other modules:

• 5.0 cm in vertical direction and

• 1.0 cm in horizontal direction.

5.1.1 Mounting

Place the module’s rail guide bar against the lower edge of the rail, push the module
upwards, and clip to the back.

5.1.2 Dismounting

Push the module upwards and then tip forward to remove from the rail.

INSTALLATION

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5.2 Protective Earth Conductor (Grounding)

Grounding of the Time Server 8029NTS/GPS is achieved via the PE line of the power supply
wiring.

5.3 Power Connection

Depending on the version of the appliance an AC or DC power feeding is available.

5.3.1 AC Power Supply

The standard AC power supply unit of the Time Server 8029NTS/GPS is described hereunder.
However, the connection data on the nameplate of the respective device are always
applicable.

Pay attention to the following when connecting the power supply:

• Correct voltage type (AC or DC),

• Voltage amount

The power cable is connected via a 3pole pluggable screw terminal with housing.

N
L

Connecting the incorrect voltage can damage the Time Server 8029NTS/GPS.

5.3.1.1 Safety and Warning Instructions

Please read these instructions thoroughly to facilitate safe operation of the device and to use
all of its functions!

Warning: Never work on live equipment! Danger to life!

The Time Server 8029NTS/GPS is a built-in device. Installation and commissioning may only
be carried out by suitable specialist personnel. In doing so the respective country-specific
regulations (e.g. VDE, DIN) must be observed.

In particular, before commissioning please ensure that

• The power connection has been installed correctly and there is guaranteed protection

against electric shock!

• The ground wire is connected!

• All power cables are correctly fused and sized!

• All output lines are sized in accordance with the max. output current of the device or

are specially fused!

• Sufficient convection is guaranteed!

The device contains components carrying life-threatening voltage and a high amount of stored
energy!

INSTALLATION

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5.3.1.2 Connection to various Power Networks

5.3.1.3 Power Cable Connection

The power cable is connected via a 3pole pluggable screw terminal. The following cable cross­sections can be connected to the input plug:

Fixed

[mm2]

Flexible

[mm2]

AWG

Starting moment

[Nm]

L, N,

0.2-2.5

0.2-2.5

24-12

0.5 – 0.6

For a reliable and secure contact:

Strip the insulation by 8 mm!

The connector must always be mounted using the housing and strain
relief fitting provided.

INSTALLATION

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5.3.1.4 Voltage Input / Fuse Protection

The 100-240V AC connection is made via the pluggable screw terminal L, N and .

Primary Side Fuse Protection

The device must be installed in accordance with the provisions of EN 60950. There must be a
suitable isolating device external to the power supply capable of switching the device off.

The primary side line protection, for example, is suitable for this purpose.
Further equipment protection is not required because the device is fused internally.

Recommended External Fuse

When connecting the Time Server 8029NTS/GPS a suitable fuse protection of the power
supply needs to be observed.

Accordingly, the performance data should be taken from the nameplate of the device.
Currently the standard versions of the Time Server 8029NTS/GPS are supplied with power
supplies with power consumption between 6 and 15VA.

Regarding DC applications a suitable fuse must be connected.

If the internal fuse trips it is highly likely that the device is faulty. In this
case the equipment should be checked at the factory!

5.3.1.5 Power Supply Specifications

All specifications regarding the AC power supply can be found in Chapter 12.4 Power
Supplies.

5.3.1.6 Power LED

The green Power LED allows a functional evaluation directly on site at the control cabinet.

LED lights

Normal power supply operation

LED off

No power supply is available or the device is faulty.

5.3.2 DC Power Supply

Make sure that the external voltage source is switched off. When
connecting the power supply, ensure that the polarity and ground
connection are correct!

• The power supply cable is connected to the Time Server
8029NTS/GPS by means of a 2-pole plug connector with
additional ground connection and interlock:

+Vin:

Positive pole (contact 1)

–Vin:

Negative pole (contact 2)

PE:

Ground

INSTALLATION

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Connecting the incorrect voltage can damage the Time Server
8029NTS/GPS.

Grounding:
The negative pole (-Vin) and the ground (PE) are connected together as
standard on the system side.

5.3.2.1 Power Supply Unit Specifications

All specifications regarding the DC power supply can be found in Chapter 12.4 Power
Supplies.

5.3.2.2 Fuse Protection

When connecting the Time Server 8029NTS/GPS a suitable fuse protection of the power
supply needs to be observed.

Accordingly, the performance data should be taken from the nameplate of the device.
Currently the standard versions of the Time Server 8029NTS/GPS are supplied with power
supplies with power consumption of max. 20VA.

If the internal fuse (device fuse) blows, it is most probable that the device
is defective. In this case the device needs to be checked in the facatory!

5.4 Connection GPS Antenna System

The coaxial line of the GPS antenna system is placed on the BNC female connector with the
"GPS Antenna" inscription on the front panel of the Time Server 8029NTS/GPS. More
detailed descriptions referring to the installation of the antenna system, for example, cable
lengths and cable types, are described in the document “Antenna System GPS”.

GPS Antenna

BNC Connector

GPS

Antenna input

There is an antenna input monitoring for “open“ and “short-ciruit“ on the
the system side.

INSTALLATION

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5.5 Connection LAN Interface ETH0

10/100-LED
(Green)

Description

Off

10 MBit Ethernet detected

On

100 MBit Ethernet detected

lnk/act-LED
(Yellow)

Description

Off

No LAN connection to a network

On

LAN connection available

Flashes

Network activity at ETH0 (transmission / reception)

Pin No.

Assignment

1

Tx+ 2 Tx– 3 Rx+

4

Not in use

5

Not in use

6

Rx–

7

Not in use

8

Not in use

5.6 Connection Sync Status Optical Coupler

The Sync Status Optical Coupler connection is a 3-pole pluggable screw terminal.

Sync Status Optokoppler

3-pole pluggable Connector

Pin

Signal

1

Collector

2

n.c. 3 Emitter

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6 Commissioning

This chapter describes commissioning of the Time Server 8029NTS/GPS.

6.1 General Procedure

Overview of the general commissioning procedure:

• Finish the installation process completely

• Switch on the device

• Wait until the booting phase is finsihed (Duration approx. 2 min. – finished when the

green NTP LED is lit on)

• Using the SEARCH Function of the

hmc

- Network Configuration Assistant in order
to access the Time Server 8029NTS/GPS and set the basis LAN parameters (e.g.
DHCP). Afterwards connect to the WebGUI of the Time Server 8029NTS/GPS via
Web browser
OR
connect directly with the factory default IP-address (192.168.0.1) to the WebGUI of
the Time Server 8029NTS/GPS via Web browser

• Log in as "master"

• Change default passwords for "master" and "device" In the DEVICE tab

• Set all required LAN parameters (e.g. entry of DNS server) in NETWORK tab if

necessary

• Check current settings in NTP tab and modify according to individual needs as
necessary

• Parametrize following values of the Sync Source (here Module 8024GPS) in GPS
SYNC SOURCE tab:

o Set current UTC time
o Set the local difference time to UTC
o Set or deactivate the changeover times for summer/winter time
o Set local position (if not known as 0)
o Check values for reception mode, SyncON/SyncOFF Timer and status OC

Trigger a Module Reset after the above mentioned entries

During first commissioning it is mandatory required to configure the
difference time to UTC and the changeover times for summer/winter time
respectively to deactivate them one time. Otherwise synchronization via
GPS will not be possible and a "Sync Source Error" is indicated.

• Check for Module Error in register GPS SYNC SOURCE

• Parametrize optional functions e.g. SNMP or SINEC H1 time datagram

• If all base settings are carried out correctly and there is GPS reception, the GENERAL

tab should look like this after approx. 30 min.:

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6.2 Switching on the Operating Voltage

The Time Server 8029NTS/GPS has no own switch for the power supply. The converter is
activated by switching on the external power supply source.

6.3 Establish the Network Connection via Web Browser

Ensure that the network parameters of the Time Server 8029NTS/GPS
are configured in accordance with the local network before connecting the
device to the network.

Connecting a network to an incorrectly configured Time Server
8029NTS/GPS (e.g. duplicate IP address) may cause interference on the
network.

The Time Server 8029NTS/GPS is supplied with a static IP-address
(equivalent to the factory default setting).

IP-address: 192.168.0.1
Network mask: 255.255.255.0
Gateway: not set

In case it is not known whether the Time Server 8029NTS/GPS with a
Factory Default setting causes problems in the network, the basis network
parameterization should be executed via a "Peer to Peer" network
connection.

Request the required network parameters from your network administrator
if those are unknown.

The network connection is made via a LAN cable and RJ45 plug (recommended cable type:
CAT5 or better).

6.4 Network Configuration for ETH0 via LAN through

hmc

After connecting the system to the power supply and creating the physical network connection
to LAN interface of the Time Server 8029NTS/GPS, the device can be searched for on the

network via the

hmc (hopf

Management Console). Then the base LAN parameters (IP
address, netmask and gateway or DHCP) may be adjusted in order to allow accessibility of
the Time Server 8029NTS/GPS for other systems on the network.

The SEARCH Function of the

hmc

- Network Configuration Assistant

requires for location and recognition of the desired Time Server

8029NTS/GPS the

hmc

-computer and the Time Server 8029NTS/GPS in

the same SUB Net.

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The base LAN parameters can be set via the

hmc

integrated Network Configuration

Assistant.

After a successful start of the

hmc

Network Configuration Assistant and completed search

of the

hopf

LAN devices, the configuration of the base LAN parameters can be done.

The Time Server 8029NTS/GPS is stated as 8029NTS in the Device List.
The determination of different Time Server 8029NTS/GPS (or other products variants) is made

via Hardware Address (MAC Address).

The factory set MAC address for the Time Server 8029NTS/GPS is stated
on a sticker laterally positioned on the exterior of the housing of the device.