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16

10.3 Time Difference Setting

UTC (Coordinated Universal Time) is the international standard time that corresponds to the time of the
United Kingdom when the daylight saving time is not in effect.

Set the time difference of the country or city where the Quartz Master Clock is used.
The time difference can be set within the range from “-12:00” to “+12:00” at 15-minute intervals.



Time difference setting

MODE

Pressing the button while in the Setting Mode will return the display to the Normal

Mode. All the digits you have been setting will be cancelled, and the time
difference previously set will remain.

＋

With each press of the button, the time difference is increased by 15 minutes.

The digits are advanced quickly by keeping it pressed.

－

With each press of the button, the time difference is decreased by 15 minutes.

The digits are advanced quickly by keeping it pressed.

SET

Pressing the button while in the Normal Mode will activate the time difference

setting function. In the Setting Mode, press it to register the time difference you
have set. The clock will return to the Normal Mode.

[For reference]

List of Time Differences (when DST is not in effect)

City

Country

Time difference

Sydney

Commonwealth of Australia

+10:00

Tokyo

Japan

+09:00

Beijin, Hong Kong
Manila
Singapore

People's Republic of China
Republic of the Philippines
Republic of Singapore

+08:00

Bangkok
Jakarta

Kingdom of Thailand
Republic of Indonesia

+07:00

New Delhi

Republic of India

+05:30

Abu Dhabi, Dubai
Moscow

United Arab Emirates
Russian Federation

+04:00

Manama
Kuwait
Riyadh

Kingdom of Bahrain
State of Kuwait
Kingdom of Saudi Arabia

+03:00

Cairo
Johannesburg
Helsinki

Arab Republic of Egypt
Republic of South Africa
Republic of Finland

+02:00

Berlin
Madrid
Oslo
Paris
Rome
Stockholm

Federal Republic of Germany
Kingdom of Spain
Kingdom of Norway
French Republic
Italian Republic
Kingdom of Sweden

+01:00

London

United Kingdom

00:00

Rio de Janeiro

Federative Republic of Brazil

-03:00

Montreal
New York

Canada
United States of America

-05:00

Los Angeles, San Francisco

United States of America

-08:00

Honolulu

United States of America

-10:00

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Summary of Contents for QC-5500 Series

Page 1: ...ies Before using your SEIKO Quartz Master Clock please be sure to carefully read through this manual as it has been designed to provide you with information for correct handling use and maintenance necessary for safe long lasting and trouble free operation Keep this manual handy for ready reference ...

Page 2: ......

Page 3: ...f such instructions and failure due to deliberate actions or gross negligence or accident 2 caused by changes modifications or alterations made without prior written consent of SEIKO or by any person other than authorized by SEIKO or 3 due to negligence on the part of the user of what should be done or should not be done as a good caretaker of Model QC 5500 Series Quartz Master Clock SAFETY ALERT ...

Page 4: ...0 Series I F 18 12 1 Serial Output Signal 18 13 POWER LED 19 14 INSTALLATION 20 14 1 Precautions on Installation 20 14 2 Installation Work 21 14 3 Precautions on Wiring and Installation of Secondary Clocks 21 14 4 Connection of Power Supply and Secondary Clocks 22 14 5 Connection of External Synchronization Input 23 14 6 External DC Power Supply Input DC 24 V 23 14 7 Connection of Battery 24 14 8 ...

Page 5: ...ric shock or fire may result Prohibition against unauthorized disassembly repair or modification For repair service contact your nearby SEIKO dealer or agent Unauthorized disassembly repair or modification may cause electric shock accidents or fire accidents Operating precautions When setting the time of each monitor do not touch any control unit other than specified Otherwise an electric shock ma...

Page 6: ... not attempt the fuse replacement by yourself unless you are qualified for the job Otherwise an electric shock accident may result Replacement and collection of Ni Cd battery For replacement and collection of the built in Ni Cd battery contact your SEIKO dealer or agent Do not attempt the battery replacement by yourself Otherwise an electric shock accident may result Precautions on the servicing o...

Page 7: ...lly causing a malfunction of the product as well as fatal accidents Electrical engineering work Before wiring the input output terminal blocks make sure that no AC voltage is supplied and that the battery is not connected You are warned against working on live circuits as they involve fatal electric shock hazards Grounding work Ground the Quartz Master Clock by connecting a grounding conductor to ...

Page 8: ...an be connected to each channel if the current consumption of each secondary clock is 12 mA 2 External synchronization function By connecting with an external master clock generating 30 sec polarized signal output the loss gain of the clock is corrected automatically 3 Time correction function By connecting with the GNSS Receiver GNS 300 the time correction is made automatically 4 ACCESSORIES AND ...

Page 9: ...econdary clocks QC 55202 Drives up to 60 secondary clocks QC 55301 Drives up to 90 secondary clocks QC 55302 Drives up to 90 secondary clocks Models with 3 secondary clock circuits Models with 2 secondary clock circuits QC 55101 Drives up to 30 secondary clocks QC 55102 Drives up to 30 secondary clocks Models with 1 secondary clock circuit ...

Page 10: ...s and stops hands of master clock Sets hands of all secondary clocks simultaneously Monitors for secondary clocks of channel No 1 left and No 2 No secondary clock monitor is provided for QC 5510X Series Secondary clock monitor Hand adjuster switch for secondary clock monitor Sets and stops hands of secondary clocks Hand adjuster switch for master clock monitor Master clock monitor ...

Page 11: ... Operation panel Reset switch Malfunction lamp Secondary clock monitor Grounding terminal Power fuse Turns ON OFF AC power supply Input output terminal block From top to bottom F1 F2 2A for AC power supply F3 2A for battery Stay Keeps front panel open during installation and wiring Lights up when output line of secondary clock is short circuited Goes out by pressing reset switch Battery Power swit...

Page 12: ...alendar is not shown set the correct time calendar following the procedure in 10 1 Time calendar setting Note The external synchronization signal can correct the loss gain within the range of 15 seconds If the clock loses or gains beyond this range the time correction will not be made Before using the Quarts Master Clock be sure to set the correct time on the clock Note Please note that if the pow...

Page 13: ... the time of the clock monitors and secondary clocks to that of digital display Set the hand adjuster switches for all the secondary clock monitors to NOR When the hand adjuster switches for the secondary clock monitors are set at NOR the secondary clock monitor moves correspondingly with the master clock monitor While the hand adjuster switch of the master clock monitor is set at STOP the seconda...

Page 14: ... operation panel in the Normal Mode the indication of the LCD display changes in the following order Note This Quartz Master Clock does not support time correction function by means of FM radio wave and standard radio wave Though such indications are displayed the clock is not equipped with the corresponding functions GNSS Time difference setting 日付時刻 Time calendar サマータイム開始 Start of daylight savi...

Page 15: ...g will return the display to the Normal Mode All the digits you have been setting will be cancelled With each press of the button one digit is advanced The digits are advanced quickly by keeping it pressed Up to 99 the year 2099 can be set After 99 the digits will return to 00 the year 2000 With each press of the button one digit is decreased The digits are decreased quickly by keeping it pressed ...

Page 16: ... the button one digit is advanced The digits are advanced quickly by keeping it pressed With each press of the button one digit is decreased The digits are decreased quickly by keeping it pressed SET The Second digits will start flashing 6 Second setting MODE Pressing the button will return the flashing digits from Second to Minute With each press of the button one digit is advanced The digits are...

Page 17: ... is in effect From 2 00 AM on Sunday March 30 2008 to 3 00 AM on Sunday September 28 2008 Clock indication after the above setting All the clock monitors and secondary clocks are automatically adjusted to indicate the daylight saving time from normal time and vice versa Start time of daylight saving time display Before setting digits only marks are displayed This also holds true in the case of End...

Page 18: ... one digit is advanced The digits are advanced quickly by keeping it pressed With each press of the button one digit is decreased The digits are decreased quickly by keeping it pressed SET The Date digits will start flashing 3 Start Date setting MODE Pressing the button will return the flashing digits from Date to Month With each press of the button one digit is advanced The digits are advanced qu...

Page 19: ...our digits will start flashing 7 End Hour setting MODE Pressing the button will return the flashing digits from Hour to Date With each press of the button one digit is advanced The digits are advanced quickly by keeping it pressed With each press of the button one digit is decreased The digits are decreased quickly by keeping it pressed SET The daylight saving time setting you have made will be re...

Page 20: ...tting function In the Setting Mode press it to register the time difference you have set The clock will return to the Normal Mode For reference List of Time Differences when DST is not in effect City Country Time difference Sydney Commonwealth of Australia 10 00 Tokyo Japan 09 00 Beijin Hong Kong Manila Singapore People s Republic of China Republic of the Philippines Republic of Singapore 08 00 Ba...

Page 21: ...ove the connector and attach it securely again and press SET button again to check the connection status SET Normal Normal The display above is shown while the GNSS signal reception is underway and o at the right of gp flashes alternately It takes about 10 minutes to complete the reception Pressing MODE button discontinues the reception and returns the clock to the Normal Mode When the GNSS signal...

Page 22: ...rder Details of data Character ASCII code １ Start ＳＴＸ０２Ｈ２ Tens digit of year ０９３０Ｈ３９Ｈ３ Units digits of year ０９３０Ｈ３９Ｈ４ Tens digit of month ０１３０Ｈ３１Ｈ５ Units digits of month ０９３０Ｈ３９Ｈ６ Tens digit of date ０３３０Ｈ３３Ｈ７ Units digits of date ０９３０Ｈ３９Ｈ８ Day of the week 1 ０６３０Ｈ３６Ｈ９ Tens digit of hour ０２３０Ｈ３２Ｈ１０ Units digits of hour ０９３０Ｈ３９Ｈ１１ Tens digit of minute ０５３０Ｈ３５Ｈ...

Page 23: ...C power supply The Power LED lights up while AC power is supplied 2 When the Quartz Master Clock operates on the backup battery or external DC 24 V power supply during power failure The Power LED flashes while AC power is not supplied Timing data Time calendar N second data N 1 Seconds N seconds 5 10 ms 5 10 ms ...

Page 24: ...to the influence of temperature humidity and vibration The ambient temperature of the selected place should be held within the range of 10 to 50 Load bearing capacity WARNING Make sure that the wall or other structure onto which the Quartz Master Clock is to be mounted has a sufficient strength to bear up against its weight If the structural strength is not sufficient it may yield to the weight of...

Page 25: ...e cable holes on its rear To connect the cables to the input output terminal blocks use the attached insulated crimp terminals to fix the cables securely When connecting the secondary clocks check that the and terminals are properly connected Otherwise loss gain of 30 seconds will be caused To connect with the secondary clock use two colored vinyl wires of different colors red and black If the sec...

Page 26: ...the illustrations below AC220V IN N O 1 N O 2 NO 3 For the engineering outfit AC220V Terminal block Terminal block Power switch Power switch Malfunction lamp It lights up when output line of secondary clock is short circuited It goes out by pressing reset switch Reset switch Circuit No 2 Circuit No 1 Ex QC 55X02 For the engineering outfit ...

Page 27: ...rom its internal clock the Quartz Master Clock will not operate in sync with the external signal It synchronizes with the external master clock while in the Normal Mode At the time of shipment from the factory the Quartz Master Clock has been preadjusted to support DC 24 V 14 6 External DC Power Supply Input DC 24 V Connect uninterruptible DC power supply to these terminals SY N C IN RS 422 For th...

Page 28: ...uct Otherwise an electric shock may result 14 8 Grounding WARNING Ground the Quartz Master Clock by connecting a grounding conductor to its grounding terminal This is important for the prevention of electric shock hazards in case of troubles such as earth leakage fault The grounding work must be Class D or higher in rating For the engineering outfit Connect the connector of the Ni Cd battery pack ...

Page 29: ...t securely lest it should drop If the sky view from the installation place is obstructed by buildings and other objects the radio wave reception from the GNSS satellite will be disturbed Do not install the Receiver at a place where it is exposed to vibration or strong electromagnetic waves Extension of the Cable Connecting GNSS Receiver If the cables connecting GNS 300 with the Quartz Master Clock...

Page 30: ... 4 The hands of the secondary clocks are not adjusted by setting the hand adjuster switch for secondary clock monitor to ADJ Is the malfunction lamp for the secondary clocks lighting up In that case check and fix the wiring of the secondary clocks and press the reset switch to reset the circuit 5 Time of the secondary clocks loses or gains by 30 seconds Is the and terminals properly connected 6 Th...

Page 31: ...he extent of degradation of the battery cannot be checked by the voltage measurement using a battery tester To maintain the integrity of the Quartz Master Clock the battery pack should be replaced with a new one every 4 to 5 years When the battery pack has been replaced with a new one be sure to reconnect the battery cables as they were connected before Wrong wiring may lead to fuse blow or failur...

Page 32: ...aster Clock will be retained for 7 years after sale and this product will be repaired within this period in principle if it becomes faulty under normal conditions of use The spare parts here refer to the parts and components essential for keeping the functional integrity of the Quartz Master Clock The period for which repair services are available varies over a wide range depending on how your Qua...

Page 33: ...ization input DC 24 V 30 sec polarized signal Every hour except 7 19 0 and 12 o clock Synchronizable loss gain range Less than 15 seconds External synchronization output RS 422 GPS time correction Number of times of time correction 24 times a day every hour on the hour when GPS Receiver is connected Input power supply 1 QC 55X01 AC 110 V 10 or DC 24 V 10 QC 55X02 AC 220 V 10 or DC 24 V 10 External...

Page 34: ...er resist is equivalent to IPX3 except connector Structure Overall dimensions W142 x H65 x D110 mm Cable length Approx 10m shielded 6 core cable Extension cable 200 m or less 1 25 sq 300 m or less 2 0 sq Weight Approx 400g only main unit Option Rack Mounting Fittings EIA compliant E354 Outer dimensions W480 H354 mm when mounted to the main body Weight Approx 2 kg Casing finish stainless steel with...

Page 35: ...31 ...

Page 36: ...32 4 3 Fukuzumi 2 chome Koto ku Tokyo 135 8610 Japan Phone 81 3 5646 1601 URL https www seiko sts co jp I 6498E 3 ...

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