Seiko QT-7800 Series Operating Manual Download Page 1 | Manualshive

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YEARLY PROGRAMMABLE TIMER

QT-7800 SERIES

Thank  you  for  purchasing  SEIKO  Yearly  Programmable  Timer
QT-7800 Series.
Before  using  your  SEIKO  Yearly  Programmable  Timer,  please
read this manual carefully for its proper use and care.
Please keep this manual handy for ready reference.

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Summary of Contents for QT-7800 Series

Page 1: ...RIES Thank you for purchasing SEIKO Yearly Programmable Timer QT 7800 Series Before using your SEIKO Yearly Programmable Timer please read this manual carefully for its proper use and care Please keep this manual handy for ready reference ...

Page 2: ...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 Yearly Programmable Timer Model QT 7800 Series SAFETY AL...

Page 3: ...IEW MODE 18 12 1 Review of Daily Program Fn 01 18 12 2 Review of Weekly Program Fn 02 19 12 3 Review of Yearly Program Fn 03 21 12 4 Review of Daylight Saving Time Program Fn 04 21 12 5 Importing Program from USB Memory Fn 12 22 12 6 Exporting Program to USB Memory Fn 14 22 12 7 Errors and Remedies in Setting Programs 23 13 NETWORK CONNECTION 24 13 1 Checking of Network Settings 24 13 2 Checking o...

Page 4: ...tery 33 17 9 Connection of GNSS Receiver 33 17 10 NETWORK CONNECTION 34 18 TROUBLES YOU CAN SOLVE YOURSELF 35 19 BATTERY REPLACEMENT 36 20 REMARKS ON DAILY CARE AND MAINTENANCE 37 20 1 Replacement of Fuse 37 20 2 Care of Enclosure 37 21 WARRANTY 37 22 SPECIFICATIONS 38 QT 7800 Series Yearly Programmable Timer 38 Options 39 ...

Page 5: ...ic 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 may...

Page 6: ...O dealer or agent Do 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 Precaution...

Page 7: ...entally causing a malfunction of the product as well as fatal accidents Electrical engineering work Before wiring the input output terminal blocks make sure that AC power is not 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 Yearly Programmable Timer by connecting a grounding cond...

Page 8: ...0 Series is equipped with the following functions 1 Master clock function QT 7810X QT 7820X and QT 7830X Up to 30 secondary clocks can be connected to each secondary clock circuit if the current consumption of each secondary clock is 12 mA 2 External synchronization function By connecting a 30 sec polarized signal with the external synchronization input the loss gain of the clock is corrected auto...

Page 9: ...uits Models with 3 secondary clock circuits QT 78101 Drives up to 30 secondary clocks QT 78102 Drives up to 30 secondary clocks QT 78201 Drives up to 60 secondary clocks QT 78202 Drives up to 60 secondary clocks QT 78301 Drives up to 90 secondary clocks QT 78302 Drives up to 90 secondary clocks ...

Page 10: ...e of Use card USB connector A Output monitor lamp Output control switches Power LED USB connector B Sets and stops hands of master clock Sets hands of all secondary clocks simultaneously Hand adjuster switch for master clock monitor Master clock monitor Moves hands at 30 sec steps to indicate current time Also serves as secondary clock monitor for QT 7810X Series Monitors for secondary clocks No 1...

Page 11: ...ck monitor Power switch Power fuse From top to bottom F1 F2 2A for AC power supply F3 2A for battery In the case of QT 7820X Stay Keeps front panel open during installation and wiring works Malfunction lamp Reset switch Lights up when output line of secondary clock is short circuited Goes out by pressing reset switch Battery Input output terminal block Grounding terminal Input output terminal bloc...

Page 12: ...Output is made according to program setting STOP Output is turned off irrespective of program setting MANU Output is made as desired irrespective of program setting While in normal use set the switch at the Normal Time position Time Day Adjust mode Normal Time mode Program Review mode Displays day of week and time while in Normal Time mode Displays different items while in Program Review mode Oper...

Page 13: ...splay starts flashing 1 Hour setting Press SET to show the hour setting display The hour digits start flashing and the second digits are reset to 00 Press or to set the hour 2 Minute setting Press SET to show the flashing minute digits Press or to set the minutes 3 Second setting resetting to 00 Press SET in accordance with a time signal The clock starts operating and the digits stop flashing To t...

Page 14: ...0X Secondary clock monitors Master clock monitor WARNING When setting the time of each monitor do not touch any control unit other than specified Otherwise an electric shock may result 3 Set the time of monitors and secondary clocks to that of digital display Set the hand adjuster switches for all the clock monitors to NOR Set the hand adjuster switch of the master clock monitor to ADJ Hands of al...

Page 15: ...aning January 2 February and so on After 12 the displayed number returns to 1 3 Date setting Press SET to show the flashing date digits Press or to set the date The date digits changes from 1 to the end date of the month The day of the week is set automatically and does not need to be set Pressing SET registers the calendar you have set and returns the display to the flashing calendar To terminate...

Page 16: ...ed from the previous correction refers to the time elapsed after the last time correction was made by means of GNSS receiver option or external synchronization If more than 99 hours have passed without any time correction after the power was turned on time calendar was set or the previous time correction was made is displayed for the time elapsed from the previous correction The operation conditio...

Page 17: ...C FUNC FUNC FUNC FUNC FUNC FUNC With each press of or the time correction setting display changes in the following or reverse order respectively External synchronization input Sy 30 sec polarized signal Radio frequency setting ra Standard radio wave Low frequency wave time correction LF GNSS time correction gP External synchronization input RS422 JL External synchronization input RS422 JU Terrestr...

Page 18: ...flashing 1 Year setting Press or to set the year The year digits can be set from 00 to 99 and after 99 it returns to 99 2 Month setting Press SET to show the flashing month digits Press or to set the month The month is indicated by the number from 1 to 12 with 1 meaning January 2 February and so on After 12 the displayed number returns to 1 3 Date setting Press SET to show the flashing date digits...

Page 19: ...ing function While setting the time difference press it to register the time difference you have set The clock will return to the Normal Time 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 S...

Page 20: ...iver GNS 300 the time correction is made automatically on a regular basis Press SET while the GNSS display is shown to start GNSS reception from the receiver 1 Display of reception level of the GNSS receiver 2 When GNSS reception is started by pressing SET ｾｯﾄ Reception level of GNSS receiver displayed in 6 levels from L0 to L5 GNS 300 is searching GNSS satellite Two marks appear alternately GNSS ...

Page 21: ...p second adjustment Leap second adjustment is turned off Leap second adjustment setting The leap second adjustment setting can be made manually To increase 1 second To decrease 1 second Press or to select 1 or 1 and press SET Be sure to make this setting within 6 months before the date when the leap second is in effect The leap second adjustment will be made immediately before 9 o clock 10 o clock...

Page 22: ...ily Program Fn 01 Press FUNC to show Fn 01 display and press SET The flashing current month and date and the program No designated in the yearly program are shown 1 Selection of date Press or to select the desired date and press SET Channel No 1 is displayed with 01 flashing 2 Selection of channel Press or to show the channel on by one A is displayed when the channel is engaged for Time Signal and...

Page 23: ...nated for the signal output and whether the device is set to turn ON or OFF are shown With each press of SET the program is shown one by one in chronological order After all the programs are shown will be displayed Press FUNC to return to the date selection procedure see 1 Selection of date 12 2 Review of Weekly Program Fn 02 Press FUNC to show Fn 02 display and press SET Program No 1 is displayed...

Page 24: ...election procedure see 1 Selection of program No 3 2 Review of Program when the channel is engaged for Keep Press or to select the desired channel and press SET If the channel is engaged for Keep engagement for a long duration of time the time designated for the signal output and whether the device is set to turn ON or OFF are shown With each press of SET the program is shown one by one in chronol...

Page 25: ...rogram Nos set for the Special Period Setting National Holiday Setting and Special Date Setting are displayed one by one 12 4 Review of Daylight Saving Time Program Fn 04 Press FUNC to show Fn 04 display and press SET The starting time and date and the ending time and date of the daylight saving time you have designated are shown in order If the daylight saving time has not been set will be displa...

Page 26: ...al Time and then repeat the importing procedure 3 Removing USB memory Remove the USB memory and set the mode switch to Normal Time 12 6 Exporting Program to USB Memory Fn 14 Export the Program Setting File running on the Yearly Programmable Timer to the accessory USB memory This procedure is mainly for maintenance purpose and should be followed only on an as needed basis Press FUNC to show Fn 14 d...

Page 27: ...e space in USB memory Insert USB memory included with Yearly Programmable Timer into connector Execute Write it in USB flash drive on PC again Use USB memory having enough free space 22 Import errors Imported program setting data is faulty Program setting data stored in USB memory was faulty Execute Write it in USB flash drive on PC again 99 Other errors Import export procedure cannot be executed ...

Page 28: ...Press FUNC to show the NTP sub menu display Then press or to show the following displays and press SET To check IP address press SET repeatedly four times when the display below is shown To check subnet mask press SET repeatedly four times when the display below is shown To check gateway address press SET repeatedly four times when the display below is shown Press SET when the display below is sho...

Page 29: ...S receiver at a place outdoors where unobstructed view can be obtained in 360 degrees at a wave angle of more than 5 degrees GNSS signal can be received at a place where the GNSS receiver is obstructed from the satellite but the optimum performance may not be maintained Therefore install it at a place where there is no antenna of another device lightning conductor or high pole Also take it into co...

Page 30: ... 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 １０６３０Ｈ３６Ｈ９ Tens digit of hour ０２３０Ｈ３２Ｈ１０ Units digits of hour ０９３０Ｈ３９Ｈ１１ Tens digit of minute ０５３０Ｈ３５Ｈ１２ Units digit...

Page 31: ... electrical specifications of the interface are in accordance with RS 422 １６ LEDS ON FRONT PANEL 16 1 Output Monitor Lamps 16 2 Power Monitor 1 While the Yearly Programmable Timer is operating on AC power The monitor turns on when the AC power is supplied 2 The monitor flashes during power failure when the AC power is not supplied and the Yearly Programmable Timer is powered by the battery Pin lay...

Page 32: ... 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 Yearly Programmable Timer 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 the Yearly Programmable ...

Page 33: ...g in the cables inside the product through the 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...

Page 34: ...e illustrations below For the engineering outfit AC110V AC110V 50 60Hz AC220V 50 60Hz for AC220V models Terminal block Power switch N O 1 N O 2 N O 3 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 Power switch Circuit No 1 Terminal block ...

Page 35: ...the current consumption of the device to be connected Connect the device securely using the accessory crimp terminal The timer output delivers dry contact output signals No voltage is generated When the load is within the contact output rating When the load exceeds the contact output rating For the engineering outfit Terminal block Relay made to order Terminal block ...

Page 36: ...master clock only while the mode switch is set to Normal Time At the time of shipment from the factory the Yearly Programmable Timer has been so preadjusted that it can be connected with SW 302 To connect SW 302 refer to its instruction manual 17 7 External DC Power Supply Input DC 24 V This terminal is used to supply backup power for the timer output relay in the event of power failure Connect un...

Page 37: ...ric shock may result 17 9 Connection of GNSS Receiver Extension of the Cable Connecting GNSS Receiver If the cables connecting GNS 300 with the Yearly Programmable Timer need to be extended use a shielded 6 core cable To extend the cable up to 200m or 300m it is necessary to use 1 25sq or 2 0sq cable respectively For the engineering outfit Connect the relay connector for the battery For GNS 300 Co...

Page 38: ...r on the network substrate wire it as shown in the illustration below and fix it with a cable tie Use 100Base TX for the system clock LAN Use a LAN cable of Category 5 or higher LAN cable Push in the connector securely until it locks in place For the engineering outfit ...

Page 39: ...locks 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 The serial time output is not del...

Page 40: ...er To maintain the integrity of the Yearly Programmable Timer 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 failure of the product WARNING Use only the battery specified tor the Yearly Programmable Timer Ni Cd Rec...

Page 41: ...le Timer 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 Yearly Programmable Timer The period for which repair services are available varies over a wide range depending on how your ...

Page 42: ... driving voltage lowers External synchronization input DC24V 30 sec polarized signal Every hour Synchronizable loss gain range Less than 15 seconds RS 422 External synchronization output RS 422 Time server LAN interface 10BASE T 100BASE Tx Protocol SNTPv3 SNTPv4 Yearly Programmable Timer Control system Control by CPU Output circuit 8 independent channels Contact output make contact Switching of ou...

Page 43: ...unting fittings in accordance with EIA Standard Option GNSS Receiver GNS 300 Reception section Power supply DC 4 0 5 0 V 45mA supplied by QT 7800 Series Satellite system GPS QZSS GLONASS Galileo Reception sensitivity GPS 148dBm QZSS 148dBm GLONASS 145dBm Galileo 138dBm Time correction Correction accuracy 5ms Number of time corrections 24 times day every hour on the hour Operational temperature ran...

Page 44: ...40 4 3 Fukuzumi 2 chome Koto ku Tokyo 135 8610 Japan Phone 81 3 5646 1601 URL https www seiko sts co jp I 7480E ...

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