QC-6M2

QC-6M2
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INSTRUCTION MANUAL
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The Model QC-6M2 is a quartz crystal clock specially
designed for marine use. Because of its high accuracy,
Model QC-6M2 is capable of undertaking all the time co-
ntrol necessary for navigation in place of conventional
marine chronometers. Model QC-6M2 is equipped with
a master clock which indicates the standard time and a
monitor clock which controls a group of secondary
clocks. Change of ship time can easily be accomplished
since clockwise and counterclockwise movements of
secondary clocks can be remote controlled by means of
an automatic quick time-adjusting device.
Also, Model QC-6M2 is able to control the center-three
and center-four hand standard time secondary clocks
and 30-second secondary clocks aboard.
In addition, Model QC-6M2 is provided with terminals for
transmitting time signals to the engine telegraph logger.
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1) POWER SUPPLY
AC/100, 115, 125, 200, 220 or 240V, DC24V (power
supply automatically switched from AC to DC sys-
tem without interruption in case of AC power
failure) AC and DC voltage variation, within + 10%
2) ACCURACY
within +0.2 sec. a day
3) TEMPERATURE RANGE FOR
GUARANTEED ACCURACY
5 °C to 40°C
4) OPERATION TEMPERATURE RANGE
—20€ to +60€
5) CLOCK DEVICES
a. Master clock device for indicating ship time
and controlling secondary clocks
Time indication : 0.5-second leap, center
three-hand
Dial ; 80mm in diameter
b. Monitor clock for monitoring secondary clocks
Time indication : 30-second leap, two-hands
Dial - 80mm in diameter
6) OUTPUT
a. One circuit for 0.5-second secondary clock
DC 24V, 0.5-second polarized pulse
Handles up to 10 secondary clock units
b. Two circuits for 30-second secondary clock
DC 24V, 30-second polarized pulse
Handles up to 140 secondary clock units
c. Time signal for engine telegraph logger .
DC 24V, 30-second polarized pulse, 500mA
in max.
d. Alarm contact capacity
DC 24V, Max. 500mA
7) ILLUMINATION OF DIAL
For the illumination of the master clock and
monitor clock, a small, long-life light is used. The
brightness of the light can be controlled by switch.
8) AUTOMATIC HAND ADJUSTING
FOR SHIP TIME |
Preset type digital switch adjusts hands in a range
of max. 59 minutes in both clockwise and counter-
clockwise directions in intervals of | minute.
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Wall-Mounting Plate -ock Screw
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PANEL -MOUNTING TYPE :see Fig. 2
ZX 72 7 Operation Indicator AC (Green), DC (Red)
ER7-7 Alarm (Red)
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Control
Panel Door
RESET AREA
Master Clock Pilot Lamp
Device
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Monitor Clock
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Panel-Mounting Plate
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Inlet (Back 8 Bottom) Front Door 4-12¢
Lock Screw
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| ANASEFO BAT (7 MASTER CLOCK
a. EXA DE (3%) a.Wall-mounting type (see Fig. 3)
EJ, SEPARE EZ ME 4 TAMIZ) EZ, Attach the mounting plate to the master clock, and bolt the
Xi. YE EME > RE2FHL TEEHEICIOM $ M master clock to the wall by making use of the holes in the
mounting plate.
Mounting method is illustrated in Fig. 3
The diameter of the applicable bolt is 10mm.
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Front door lock screw
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Wall-Mounting Plate
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Control panel door
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Idling screw EEE EF —
Master Clock Device
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Control panel
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b. Panel-mounting type (See Fig. 4)
Attach the panel mounting plate to the master clock and
bolt the master clock to the panel by making use of the ho-
les in the plates. The panel cut is shown in Fig 2.
Diameter of the applicable bolt is 10mm.
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Panel-Mounting Plate
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WIRING TO POWER SUPPLY
AND SECONDARY CL.OCKS
a.Before installation
Set the hands of all secondary clocks at the same time.
(Ex. 12h Om Osec)
b.Selection of service outlet
The master clock is provided with two service outlets in
the back and bottom. The bottom outlet is blocked with a
blind patch. Where the bottom outlet is used, relocate the
blind patch to the back outlet.
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AH AEF Input/Qutput Terminal Board
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c. Wiring
Wire the terminal in the front door correctly according to
the terminal board wiring diagram.
During wiring works be sure that there are no scrap of
wire in the mechanism or in printed circuit boards.
When wiring the secondary clock and power supply, check the
polarity of them.
d. Setting the voltage selector
Set the voltage selector in the front door to match the ma-
rine AC power supply voltage. (The voltage selector is set
at 240V at the time of delivery.)
Note: See the following description before supplying power.
пе
Wire Crip
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Terminal Board
BLUE
Voltage Selector
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09
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Bottom Inlet (Also provided on the back)
3 4 5 6 7 11 12
DC24V 30° SLAVE No.1 0.5" SLAVE
{+)(-) А
8 9 10
30° SLAVE No.2 .
A B С (+)(-)
13 14 15 16 17 18 19 20 21 22
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30SEC SIGNAL OUTPUT
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4 ch — 24V REVERSE PULSE —24V
J 5 Etch — 24V ADJUST PULSE — 24V
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Alarm contact
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Grounding
IM0PFREHA, 8, C. +8bt5)
30-Second secondary clocks (Set A, B, and С)
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0.5-Second ciocks { Set + and—)
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b) SEX DBE No.13~17
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Voltage Selector
Wiring of Logger Signal is as follows.
a) In case of 3line-system, use terminal No. 5— No.7 or terminal No.8~No.10
b) in case of 5line-system. use terminal No.l13—No.17
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ADJUSTMENT OF MASTER CLOCK AND SECONDARY CLOCKS
a.Master clock
® Before switching on the main switch, make sure that the printed circuit boards are; set in proper position.
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30 FR EFI ERE IRA 4 Y F 52
Hand Adjust Reversing Switch for ADV START Ty POREZ—IRAMY TRA YF
30 second Secondary Clocks | © START/STOP for preset Automatic Time Setting
(clockwise /counterclockwise ) eE O
REV STOP
DIMMER Sa
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LIGHT Brightness controller for power indication lam
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S5 — Reset switch
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Second stop switch © STOP
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SEC STOP RESET ADI.
ab Printed Circuit Board 53 | |
FREER 5 FRERE UF
Brightness controller for clock dial
M6 Fig. 6
Automatic time adjusting switch
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Power Supply Circuit Board —
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30 Second Secondary Clock Circuit Board
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Automatic Adjusting Circuit Board
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0.5 Second Secondary Clock Circuit Board
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Master Clock Circuit Board
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Master clock pilot lamp
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Monitor clock pilot lamp
8 Fig. 8
e Set the hands of the master and monitor clocks to those of
the secondary clocks. The second-hand of the master clock
can be set by turning the gear behind the clock mechanism,
while the minute and hour hands are adjusted by a knob.
For setting the monitor clock, turn the knob on the back of
the machine. -
® Set the 30-second hand-adjusting switch (S7) at “NOR”.
® Set the dimmer switches (S3) and (S4) at “LIGHT”.
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Hand setter for Master Clock Device
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Second setting gear for Master Clock Device
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Hand Setter for Monitor Clock
Monitor panel
MARINE QUARTZ CRYSTAL CLOCK
SERVICE AGENTS LIST
OZ 197: —-74
7231-0047 BiH EPIRAT2THS #3813
Wa (045)243—8090
FAX (045)261—6111
Randstrasse 30
22525 Hamburg
Germany
Tel: (49) 40-5477760
Fax: (49) 40-54777666
OU -P-I Co. Ltd.
5-13, 2-Chome, Hagoromo-Cho
Naka-ku, Yokohama 231-0047, Japan
Tel:045-243-8090 Fax: 045-261-6111
The Netherlands
Tel:31-10-4167622
Fax:31-10-4167218
@UTSUKI KEIKI CO. LTD.
3530, Kamiyabe-Cho. Totsuka-ku,
Yokohama, Japan
Tel:81-45-813-1492 OSTEENHANS A/S
Fax: 81-45-811-0425
Fax:(47)330-46746
Tel:(47)330-45603
®R. F. WHITTEN
Box 5087A, P. O. Newcastle West, N.S. W.
2307, Australia
Cable: CHRONOMETERS, NEWCASTLE
Tel:61-49-292107
Fax:61-49-292107
ES 5 — $
@GEORG HECHELMANN NACHF.GMBH.
Telex:2163852 NAVI D
O® KELVIN HUGHES OBSERVATOR В.М.
Nieuwe Langeweg 41, 3194 DC Hoogvliet,
P.O. BOX613, 3190 AN Hoogvliet,
Telex:26545 OBMAR NL
Bekkajordet 1, N-3194, Horten, Norway
Telex:70398 BRSH N i
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@ THONG SIA CO (S) PTE LTD
# 04-00, Thong Sia Bldg.
30 Bideford Rd., Singapore 0922,
Singapore
Cable: THONGWATCH
Telex: SELTIME RS 24091
Fax: (65) 734-0284
Tel: (65) 7376122 (6lines)
e THONG SIA WATCH COMPANY LTD.
Star House 3rd Floor,
West Half, Salisbury, |
Tsimshatsui, Kowloon,
Hong Kong
Telex:54771 TSC HX
Tel: 852-7360235
Fax:852-7305350 $
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NFB 4 0.5 SEC. OUT
NFB 5 30 SEC. OUT
NFB 1 AC IN
NFB 2 DC IN
NFB 3 DC OUT
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b. Supply of power and start-up
Turn on NFB 4 “0.5 SEC OUT" first, then NFB5“30 SEC
OUT”, NFB 1 “AC IN”, NFB 2 “DC IN”, NFB 3 “DC
OUT” in sequence.
With this, the operation indicating lamp (green) will light
up and the master and secondary clocks will start.
(Under normal conditions, the green lamp will light up, in-
dicating that the system is running on the AC power supp-
ly. In case of AC power failure, however, the power
supply is automatically switched to DC, and the red lamp
lights up.)
c.Phase matching
When the power is supplied, match the phase of the master
clock with that of 30 sec secondary clocks. At the moment
when the second hand of the master clock just lies on 0 second
(12 hours position), push the switch (S6). With this, the
secondary clocks will be driven every 30 seconds, according
to the master clock.
d. Second hand of master clock to standard
time
To stop the second hand, depress the SEC STOP button(S
5). When this button is released, the second hand will be re-
started.
A gang of 0.5-second secondary clocks will follow the master
clock. Even when the second hand of the master clock is
adjusted by the switch arbitrarily, the phase adjusted in
step (C) will not become out of order.
e. Hour and Minute hand of master clock to
standard time
The hour and minute hand can be adjusted by turning the knob.
f. Hour and minute hands of the O.5-second
secondary clocks to standard time
Adjust the minute hands of the 0.5-second secondary clocks
independently, by turning the knob behind the clock.
g. Hour and minute hands of the 30-second
secondary clock to standard time
When the hand-adjusting switch (S7) is set at “ADJ”, the group
of the secondary clocks will be automatically adjusted at a
speed 30 times as fast as normal (forward). |
When the time is set, reset the switch to “NOR”. If the
switch is left at “STOP”, the clocks will be locked.
v7 94 LNDZEE ADJUSTING SHIP TIME
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e When adjustmentof ship time Is needed adjust as follows.
1) ADV-REV SWITCH SI
According to the time to which the clock is to be adjusted,
turn S1 to “ADV” or “REV.”
2) PRESET SWITCH DS
Then, set DS according to the minutes to be adjusted.
3) START-STOP SWITCH S2
When S2 is worked, the hands will be automatically adjusted
according to the time set. (adjustable range: max. 59 minutes)
@ After completion of hand adjusting,
the clock system will automatically
regain normal operation.
Reset DS to the “00” position.
When it is required to adjust the setting time during hand
adjustment, work S2, and the hand adjusting operation will
stop. Readjust the time by DS, and then work 52.
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BRIGHTNESS CONTROL OF THE DIALS
AND OPERATION INDICATOR
À pilot lamp is built-in the master clock and the monitor clock
respectively to illuminate their dials. The brightness is
controlled by the dimmer switch S3; the lighting will be off
when set at “OFF”, bright at “LIGHT”, and dim at “DARK”
The brightness of the operation indicator can also be controlled
by the dimmer switch S4 in the same manner as above.
Note that the green light of the operation indicator indicates
that the system is running on an AC power supply and when
switched to a DC power supply it will turn to red.
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FUNCTION OF ABNORMAL
OPERATION MONITORING
CIRCUITS
e Power failure monitoring circuit
When the AC voltage drops below 70% of its rated value, the
power system is automatically switched to the external DC
power supply.
At this time, the operation indicating lamp on front of the
panel will change from green to red.
When the AC voltage regains 85% of its rated value, the po-
wer system will automatically be switched to the AC and
the operation indicating lamp will also change from red to
green.
e 0.5-second pulse monitoring circuit
When a train of 0.5-second pulses which drives the master
clock is missed or changed into an indiscrete signal, an al-
arm lamp will light up. At the same time, an alarm signal is
given to the other external control panel.
e Secondary clock line short-circuit monitor-
ing circult
When a short-circuit happens in the 0.5-second or 30-second
secondary clock line, an alarm lamp will light up, and at the
same time an alarm signal will be given to the other external
control panel. In this case, the secondary clock circuit can be
protected with a NFB.
Note: The alarm signal is a contact signal to be transferred
from the terminal board to the external circuit.
Alarm contact capacity: DC24V Max. 500mA
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e0.5P. ET (130PFTEE71 - DEBES $256 E
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NOTES
e Prior to the insulation resistance test of the. clock system
( megger test), be sure to remove all the printed circuits.
If this precaution is neglected, the performance of semi-
conductor elements can no longer be warranted.
e When measuring the insulation resistance of the 0.5-second
or 30-second secondary clock line, the wires from the master
clock terminal must be disconnected for the same reasons
as above.
CAILLAT LENE
SEIKO TIME SYSTEMS INC.
http://www.seiko-sts.co.jp
T135-8610 RREBIRXEF2-4-3
Tel.03-5646-1601 Fax.03-5646-1602
2-4-3,Fukuzumi,Koto-ku,
Tokyo 135-8610,Japan
Tel.+81-3-5646-1601 Fax.+81-3-5646-1602 [Tinted in Japan
'98.2.50
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