Tekron TTM 01-G Bedienungsanleitung

TTM 01-G

USER MANUAL

TTM 01-G Manual / October 2018 2

Table of Contents

Introduction....................................................................................................................................................... 4

Product Overview.................................................................................................................................................. 4

Accessories ............................................................................................................................................................ 4

LED Indicators.................................................................................................................................................... 5

Inputs and Outputs............................................................................................................................................ 7

ANT: Antenna Port (SMA connector) .................................................................................................................... 7

ETH: Ethernet Interface (ST Fiber / RJ-45)............................................................................................................. 8

TX: Fiber Output .................................................................................................................................................... 8

TTL: TTL Output ..................................................................................................................................................... 8

ALM: Alarm Output ............................................................................................................................................... 9

OPT: Optional Output............................................................................................................................................ 9

Software .......................................................................................................................................................... 10

Configuration Tool............................................................................................................................................... 10

Installation....................................................................................................................................................... 11

Identification ....................................................................................................................................................... 11

Location............................................................................................................................................................... 11

Power Supply....................................................................................................................................................... 11

Hazardous Voltage .............................................................................................................................................. 12

Earthing ............................................................................................................................................................... 12

Mounting the TTM 01-G...................................................................................................................................... 13

Connecting the TTM 01-G ................................................................................................................................... 13

Factory Reset................................................................................................................................................... 15

Factory Hardware Options .............................................................................................................................. 16

Power Supply Options ......................................................................................................................................... 16

Optional Output Cards ........................................................................................................................................ 16

Isolation and Protection.................................................................................................................................. 17

Lightning Protection ........................................................................................................................................ 18

Appendix.......................................................................................................................................................... 19

TTM 01-G Specifications...................................................................................................................................... 19

Serial Output String (Serial Output Option) .................................................................................................... 20

General Key to Fields................................................................................................................................... 20

NGTS Time Code O/P................................................................................................................................... 20

TTM 01-G Manual / October 2018 3

IRIG J-17 Time Code O/P ............................................................................................................................. 21

String-A Time Code O/P............................................................................................................................... 22

String-B Time Code O/P............................................................................................................................... 23

String-C Time Code O/P............................................................................................................................... 24

String-D Time Code O/P .............................................................................................................................. 25

String-E Time Code O/P............................................................................................................................... 26

String-F Time Code O/P ............................................................................................................................... 27

String-G Time Code O/P .............................................................................................................................. 28

NMEA ZDA Time Code O/P.......................................................................................................................... 29

NMEA RMC Time Code O/P......................................................................................................................... 31

Warranty ......................................................................................................................................................... 33

TTM 01-G Manual / October 2018 4

Introduction

Welcome to the TTM 01-G user manual! This document contains everything you need to know about the key

features, hardware, and installation process of the TTM 01-G.

Product Overview

The TTM 01-G is a powerful and cost-effective synchronization solution for Remote Terminal Units (RTUs),

Protection Relays and other Intelligent Electronic Devices used in electrical sub-stations and industrial control

installations.

Utilizing state of the art technology, this compact unit locks onto atomic clock references from the GPS and

GLONASS satellite constellations and produces time codes and pulses with sub-microsecond accuracy and

precision.

The TTM 01-G clips onto a standard DIN rail. Its rugged compact design is suitable for noisy electrical

environments, while built in electrical isolation combined with strong push pull drives on outputs simplifying

wiring schemes and enhancing reliability. Refer to Figure 1.

Figure 1 - TTM 01-G Front View

Accessories

The TTM 01-G comes complete with Ethernet cables to allow for customization and easy setup from the

Windows™ Configuration software which is available to download from www.support.tekon.com

Optional accessories include antenna, low loss antenna cable, antenna pipe mounting components, lightning

protection kit and BNC to 2-pin connector adaptor.

TTM 01-G Manual / October 2018 5

LED Indicators

The top of the TTM 01-G features two LED indicators. The SYN LED shows synchronization status, while the ALM

LED shows the alarm status of the unit.

Outputs are synchronized to UTC time only when the SYN LED is fully illuminated.

Table 1, Table 2 and Table 3 below provide information regarding the interpretation of the LEDs.

SYN LED

Meaning

Off

The TTM 01-G has no power.

Slow Flash

(1x flash per

second)

The TTM 01-G is operating in the “holdover” state (holdover timer is running) or is

operating in the “tuning” state (time server is gaining synchronization).

Fast Flash

(5x flashes per

second)

The TTM 01-G is not synchronized (out of sync and not in holdover).

The TTM 01-G is synchronized.

Table 1 - SYN LED Functionality

ALM LED

Meaning

Off

The TTM 01-G is operating normally and has no alarms.

Fast Flash

(5x flashes per

second)

At least one alarm is active. Refer to the alarm window in the Clock tab of the Configuration

Tool to find the name of the active alarm(s). Refer to Table 3 below for the details on each

alarm by name.

Table 2 - ALM LED Functionality

Alarm Name

Specification

Satellites Low

The number of satellites currently being used for time and position calculations is below the

threshold.

No Sync

The TTM 01-G is not synchronised to any source, or holdover period has expired, or the

timing output inaccuracy has been exceeded.

Holdover

The TTM 01-G has lost synchronization to any source and is now in holdover.

No Antenna

The antenna circuit current drain is low (typically under 3mA). This could be caused by poor

connections, or if the connected antenna has a lower current drain specification or if a

component in the antenna system is providing power to the antenna and therefore the TTM

01-G is not seeing a connected load, or if there is no antenna connected.

Antenna

Short

The antenna circuit current drain is high (typically over 100 mA). This is caused by a short in

the antenna circuit, or by moisture ingress in the circuit, or if the antenna connected has a

higher current drain specification.

Antenna

Fault

This alarm is generated if there is high current or low current detected on the antenna input.

Factory Reset

Armed

This alarm is generated if the Forgotten Password Reset (Factory Reset Process) is enabled

and has been initiated by the user.

TTM 01-G Manual / October 2018 6

ADMIN/ETH1

Address Fault

This alarm comes up when the DHCP server is unavailable or when the IP address is assigned

to some other node in the network and cannot be assigned to the TTM 01-G Ethernet port.

Under such situations the Ethernet port defaults to a link local address.

Sync Forced

This alarm is generated when the “Never leave Sync (Test Mode)” option has been selected.

Table 3 - Alarm Specification

TTM 01-G Manual / October 2018 7

Inputs and Outputs

ANT: Antenna Port (SMA connector)

The “ANT” antenna input provides an interface for an external active antenna. The antenna should be

connected using a high quality, low loss 50 Ω low loss coaxial cable. The centre conductor can supply 5 Vdc (100

mA max.) to power an active antenna. The antenna voltage will automatically fold back to limit the output

current under fault condition.

Care should be taken to ensure that the connector is not cross threaded when attaching the antenna lead-in

cable. The connector should be tightened firmly by hand only. Do NOT over-tighten! Ensure the antenna

SMA male connector center pin is straight before plugging in.

Antenna Cable Considerations

The TTM 01-G antenna port expects a signal with a gain of at least 15 dB, and no more than 35 dB, with 20 – 35

dB being the optimal gain range.

All antenna cables will introduce some signal loss in the antenna installation system, which will be dependent on

cable length. The total gain of the antenna installation should fall within the ranges specified below. The total

gain is calculated by the gain of the antenna (Tekron supplied antenna provides 40 dB gain) minus the antenna

cable loss.

Figure 2 - Recommended antenna cable loss range

Note: The above figures are based on an average GNSS signal strength of -130 dBm at sea level and assumes

that the Tekron supplied antenna is used.

CNT-240

32.8 dB/100 m (10dB/100ft). Plus 1 dB/connector

Approximate optimum length range: 15m to 60m (50 ft –

197 ft)

Approximate maximum length range: 15m to 76m (50 ft –

250 ft)

CNT-400

16.73 dB/100 m. Plus 1 dB/connector

Approximate optimum length range: 30m to 120 m (99 ft –

394 ft)

Approximate maximum length range: 30m to 150m (99 ft –

493 ft)

TTM 01-G Manual / October 2018 8

A lightning protection device should be inserted into the antenna lead. A suitable device, complete with

additional cable connectors, a connector crimping tool and mounting hardware is available as an option. The

introduction of the lightning protector introduces an additional loss of 0.1 dB and the loss of two connectors.

Care should be taken to ensure that the connector is not cross threaded when attaching the

antenna lead-in cable. The connector should be tightened by hand only. DO NOT OVER-

TIGHTEN!

ETH: Ethernet Interface (ST Fiber / RJ-45)

TTM 01-G units are fitted with either an RJ-45 10/100 Mbps Ethernet interface or an ST multi-mode Fiber

100BASE-FX Ethernet interface. The unit can be configured over the LAN (Local Area Network) and can be

loaded with PTP or NTP / SNTP Licenses.

To the left of the Ethernet connector are two LEDs: The “LNK” LED (above) and the yellow “ACT” LED (below).

The LNK LED will be on when the unit is connected to a valid Ethernet port whilst the ACT LED will be on when

there is activity on either the transmit or receive pair on the Ethernet port.

TX: Fiber Output

This port transmits an IRIG-B (B00x or B22x), programmable pulse or DCF77 signal over fiber, that may be

configured to output in either inverted or non-inverted polarity. The fiber transmitter is compatible with 50/125

µm, 62.5/125 µm and 100/140 µm multimode glass fiber.

TTL: TTL Output

The TTL output is a high drive, non-isolated TTL level driver which can be configured using Tekron’s

Configuration Tool. This port transmits an IRIG-B (B00x or B22x), programmable pulse, or DCF77 signal using 0 –

5 Vdc TTL level on pins “+” and “-” of the screw terminal connector. The default output is an un-modulated IRIG-

B signal (IRIG-B004 with C37.118.1 extensions). It can be used as the master source signal to drive one or many

slave devices. The IRIG-B timing pulses (both leading and trailing edges) from this port is typically to within 100

ns of UTC.

This port is a programmable TTL level output that may be configured to output in either inverted or non-inverted

polarity:

•A configurable number of pulses per second, minute, hour, day with adjustable pulse-width and offset.

•IRIG-B time code (Un-modulated DCLS or Modified Manchester) with option C37.118.1 or AFNOR

extensions.

•Simulated DCF77 receiver time code.

TTM 01-G Manual / October 2018 9

ALM: Alarm Output

The alarm output is a type “A” (normally open) dry contact type. Additionally, it is a high voltage isolated contact

capable of switching up to 300 V at 100 mA.

Note: The “Normally-Open” (NO) descriptor refers to the de-energized state of the relay.

The TTM 01-G operates with the alarm relays energized during normal operation, and de-energized in the alarm

state. It follows that, in the event of all power to the TTM 01-G being lost, the alarm relay defaults to the “alarm”

state (open contact). The “+” and “-” symbols are included for reference purposes only, as the alarm contacts are

not polarized.

The “ALM” output is a synchronization fail alarm. This alarm is active (contact open) when the unit is not

synchronized and is not in the holdover state.

OPT: Optional Output

The TTM 01-G has a slot for one I/O card, to allow a variety of user interfaces. Each card is limited to one

additional port with at least 3 kV isolation from the rest of the system to avoid current loops. Refer to Table 5

for the list of orderable options.

TTM 01-G Manual / October 2018 10

Software

Configuration Tool

The TTM 01-G can be configured via Ethernet. The configuration tool can be downloaded from the Tekron Support

website: www.support.tekon.com. By default, the unit is shipped with DHCP enabled for automatic IP address

assignment, with a fall back to link local addressing (169.254.xxx.xxx) if no DHCP server is present.

Default Username: admin

Default Password: Password

Note:

The user is required to change the default password on first login.

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