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QUARTZ MASTER CLOCK
QC-5500 Series
Thank you for purchasing SEIKO Quartz Master Clock QC-5500
Series.
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.
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Table of Contents
Related Manuals for Seiko QC-5500 Series
Summary of Contents for Seiko QC-5500 Series
- Page 1 Thank you for purchasing SEIKO Quartz Master Clock QC-5500 Series. 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.
- Page 3 －CAUTION－ (1) This manual is the property of SEIKO and may not without the express written consent of SEIKO be copied or reproduced in any form, in whole or in part, or used for any purpose other than that for which it is supplied.
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Page 4: Table Of Contents
14.8 Grounding 14.9 Connection of GNSS Receiver 15. TROUBLES YOU CAN SOLVE YOURSELF 16. BATTERY REPLACEMENT 17. REMARKS ON DAILY CARE AND MAINTENANCE 17.1 Replacement of Fuse 17.2 Care of Enclosure 18. WARRANTY 19. SPECIFICATIONS [QC-5500 Series Quartz Master Clock] [Option]... -
Page 5: Safety Precautions
Should any water or liquid enter into it, turn off against wetting with liquids the power switch and cut the power supply immediately. Then call your SEIKO dealer or Quartz Master Clock agent for inspection and servicing. If the... - Page 6 The grounding work is required to be of Class D or higher rating, and shall grounding be undertaken by a licensed electrician. Prohibition For fuse replacement service, contact your SEIKO dealer or agent. Do not against unauthorized attempt the fuse replacement by yourself unless you are qualified for the job.
- Page 7 ● Safety instructions to the engineering outfit For the engineering outfit WARNING Precautions on installation work The Quartz Master Clock is designed for indoor use, and must not be installed outdoors. Otherwise, rainwater may infiltrate into it to cause electric shock or Selection of fire accident.
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Page 8: Overview
2. OVERVIEW SEIKO QC-5500 Series is a high-precision quartz master clock equipped with a wide variety of functions that meet the needs of the users, such as synchronization output via RS-422 and daylight saving time setting. Models operating on AC 110 V (QC-55X01) and AC 220 V (QC-55X02) are available. -
Page 9: List Of Products
5. LIST OF PRODUCTS Models with 1 secondary clock circuit Drives up to 30 QC-55101 secondary clocks Drives up to 30 QC-55102 secondary clocks Models with 2 secondary clock circuits Drives up to 60 QC-55201 secondary clocks Drives up to 60 QC-55202 secondary clocks Models with 3 secondary clock circuits... -
Page 10: Nomenclature And Functions (Front Panel)
6. NOMENCLATURE AND FUNCTIONS (FRONT PANEL) Master clock monitor Moves hands at 30-sec steps to indicate current time. Also serves as a secondary clock monitor for Power LED QC-5510X Series. Hand adjuster switch for Ex.) QC-55202 master clock monitor Sets and stops hands of master clock. -
Page 11: Nomenclature And Functions (Inside Parts)
7. NOMENCLATURE AND FUNCTIONS (INSIDE PARTS) Keeps front panel open Stay during installation and wiring Turns ON/OFF AC power Power switch supply. Secondary clock Input/output monitor terminal block By turning a wheel on rear side with fingers, hands of secondary clock monitor can be adjusted. -
Page 12: Time/Calendar Checking
8. TIME/CALENDAR CHECKING 8.1 Powering-Up Open the front panel, and set the power switch to “ON”. Once the power switch is turned OFF, wait at least for 10 seconds, and then, set the switch to “ON” again, Note: Please note that, if the power switch is turned ON and OFF in succession in a short time, a malfunction will be caused, or the hands will be mis-aligned. -
Page 13: Time Setting Of Monitor Clocks
8.3 Time Setting of Monitor Clocks (1) Set the hand adjuster switches for all the monitor clock to “STOP”. (2) Set the times of all the clock monitors and secondary clocks to an identical time. To set the time of the master clock monitor, open the movement cover, and turn the wheel with fingers. -
Page 14: Normal Mode
9. NORMAL MODE “Normal Mode” refers to the mode where the Quartz Master Clock is normally used as opposed to the “Setting Mode” where setting of the digits is made. In the Normal Mode, the normal movement of the hands of the secondary clocks, time correction, output of various signals, and other functions are performed. -
Page 15: Setting Mode
10. SETTING MODE 10.1 Time/Calendar Setting When the LCD display does not indicate the correct time/calendar, adjust it manually. By pressing SET button when the time/calendar is shown on the display in the Normal Mode, the time/calendar setting function is activated. Set the flashing digits in order of Year, Month, Date, Hour, and Minute. - Page 16 (3) 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 quickly by keeping it pressed. － With each press of the button, one digit is decreased. The digits are decreased quickly by keeping it pressed.
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Page 17: Daylight Saving Time (Summer Time) Setting
10.2 Daylight Saving Time (Summer Time) Setting By setting the start and end of the period during which the daylight saving time is in effect, the clocks automatically indicate the time one hour ahead of normal time during the period. Press MODE button to show “Start of daylight saving time”... - Page 18 Set the flashing digits in order of Year, Month, Date and Hour of “Start of daylight saving time”, and, Month, Date and Hour of “End of daylight saving time”. (1) Start Year setting MODE Pressing the button while the Start Year digits are flashing will return the display to the Normal Mode.
- Page 19 (5) End Month setting MODE Pressing the button will return the flashing digits from End Month to Start Hour. ＋ 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.
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Page 20: Time Difference Setting
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”... -
Page 21: Time Correction With Gnss
11. TIME CORRECTION WITH GNSS By connecting the GNSS Receiver (GNS-300) with this Quartz Master Clock, the time correction is made automatically on a regular basis. In the Normal Mode, the time correction is made every hour on the hour. When the GNSS receiver is connected newly, or to manually receive the GNSS time signal, show “GNSS”... -
Page 22: Qc-5500 Series I/F
12. QC-5500 Series I/F 12.1 Serial Output Signal (1) Output format and communication settings Output format RS-422 Communication settings 1. Transmission rate 2,400 bps 2. Synchronization system Asynchronous 3. Transmission format Start bit … 1 bit Data bit … 8 bit Parity bit …... -
Page 23: Power Led
Output data timing ５～１０ｍｓ 5 ~ 10 ms ５～１０ｍｓ 5 ~ 10 ms Timing Time/calendar Ｎ秒データ J.T. data (N second) data ▲ ▲ Ｎ－１秒 Ｎ秒 N-1 Seconds N seconds 13. POWER LED (1) When the Quartz Master Clock operates on AC power supply: The Power LED lights up while AC power is supplied. -
Page 24: Installation
14. INSTALLATION WARNING Never attempt any of installation work, electrical engineering, and any of the Prohibition against unauthorized jobs instructed to the engineering outfit ("For the engineering outfit"). All of installation and these jobs must always be commissioned to your engineering outfit because electrical engineering work they involve electric shock hazards, fire hazards and falling hazards. -
Page 25: Installation Work
For the engineering outfit 14.2 Installation Work To install the Quartz Master Clock, use four φ6 mm~8 mm installation bolts to fix it securely. When mounting it on to the concrete wall, use AY plug bolts. Mounting hole drilling template included with the product is convenient in such case. -
Page 26: Connection Of Power Supply And Secondary Clocks
For the engineering outfit For the engineering outfit 14.4 Connection of Power Supply and Secondary Clocks ・Connect the power supply of AC 220 V or AC 110 V, and secondary clocks according to the illustrations below. Terminal block AC220V AC220V IN Ex.) QC-55X02 Power switch Circuit... -
Page 27: Connection Of External Synchronization Input
For the engineering outfit For the engineering outfit 14.5 Connection of External Synchronization Input • By connecting the 30-sec. polarized signal output of an external master clock to the external synchronization input, the Quartz Master Clock operates in sync with it. •... -
Page 28: Connection Of Battery
For the engineering outfit 14.7 Connection of Battery QC-5500 Series uses Ni-Cd battery pack for secondary clock driver and control circuit. Connect the battery after all the installation and electrical works are completed. Before connecting the battery, make sure that no power is WARNING supplied to the product. -
Page 29: Connection Of Gnss Receiver
For the engineering outfit 14.9 Connection of GNSS Receiver When connecting the GNSS Receiver (GNS-300) with the Quartz Master Clock, connect the cables as illustrated below. GNSS Receiver (GNS-300) Terminal block for connecting GNSS Receiver DC5V 1PPS+ 1PPS- When connecting the GNSS Receiver with the Quartz Master Clock, connect the shield of the shielded cable to “FG”. -
Page 30: Troubles You Can Solve Yourself
If the above troubleshooting still fails, or if troubles other than cited above occur, call your nearby SEIKO dealer or agent for service. For repair service, contact your nearby SEIKO dealer or agent. Unauthorized disassembly, repair or modification may cause electric shock WARNING accidents or fire accidents. -
Page 31: Battery Replacement
Use only the battery specified tor the Quartz Master Clock. WARNING Recycling of the Ni-Cd battery This product uses a rechargeable battery, which is recyclable. For replacement and collection of the built-in Ni-Cd battery, contact your SEIKO dealer or agent in order to recycle the valuable resources. Ni-Cd... -
Page 32: Remarks On Daily Care And Maintenance
18. WARRANTY ● As a part of SEIKO’s customer service policy, the spare parts for the QC-5500 Series Quartz Master 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. -
Page 33: Specifications
19. SPECIFICATIONS QC-5500 Series Quartz Master Clock SPECIFICATIONS QC-55101 QC-55201 QC-55301 Model No. QC-55102 QC-55202 QC-55302 Number of secondary 1 circuit 2 circuits 3 circuits clock circuits Crystal oscillator 4.194304 MHz frequency Time accuracy Weekly rate of less than ±... - Page 34 Option: GNSS Receiver (GNS-300) Power supply DC 3.6 V ~ 5.0 V, 45mA (supplied by QC-5500 Series) Satellite system GPS, QZSS, GLONASS, Galileo Reception section GPS:-148dBm , QZSS:-148dBm , Reception sensitivity GLONASS:-145dBm , Galileo:-138dBm Number of times of 24 times a day (every hour on the hour when GNSS Receiver is...
- Page 36 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...