SEIKO Central Clock

SEIKO Central Clock - QC-55102 adalah master clock sistem impulse 24V/30s dari SEIKO Original Jepang.

●Master clock function
Up to 30 secondary clocks can be connected to each channel (if the current consumption
of each secondary clock is 12 mA).

●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.

[Specification]

Number of secondary clock circuits 1 circuit Crystal oscillator frequency 4.194304 MHz Time accuracy Weekly rate of less than ±0.7 seconds (+5℃~+35℃); no accumulated error after time correction Time display 【Master clock】 Year, month, date hour, minute, and seconds; and Digital display in 24-hour indication (not displayed during power failure) 【Monitor clock】 30-second interval hand movement Time setting 【Master clock】 Setting of year, month, date, hour, minute and seconds 【Monitor clock】 60X speed quick advance of hands by APC system Daylight saving time Setting of year, month, date and hour for start date, and month, date and hour for end date Secondary clock driver 【Driving signal】 DC 24 V 30-sec. polarized signal; Pulse width of 0.5 sec.; No-contact 【Max. number of secondary clocks to drive】 30 units（12 mA/unit; 30 units/circuit） 【Maximum driving capacity】 360 mA（360 mA/circuit） 【Backup power】 DC 24 V; Built-in sealed Ni-Cd rechargeable battery 【Battery protection】 Overdischarge prevention circuit 【Signal voltage detection】 Signal voltage stopper function (stops output when secondary clock driving voltage lowers) External synchronization 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 Synchronization output RS-422 Input power supply ■QC-55101：AC 110 V ±10 % or DC 24 V ±10 % ■QC-55102：AC 220 V ±10 % or DC 24 V ±10 % Power consumption 21 W Power failure backup 【Master clock】 Approx. 5 years (no indication on digital display, counting by internal clock only) 【Secondary clock driver】 30 hours (in case of power failure of more than 30 hours, hands are adjusted automatically after recovery.) Operational temperature range -10℃~+50℃ Outer dimensions W420×H354×D110 (mm) Weight Approx. 7.0 kg Enclosure 【Front panel】ABS and stainless steel, pearl gray with a slight gloss 【Rear panel】Stainless steel, pearl gray with a slight gloss Accessories Plastic foot, 4 pcs; Miniature fuse; Instruction manual; Mounting hole drilling template; and Insulated crimp terminal Options Rack mounting fittings (in accordance with EIA Standard)

[Reference column]

＊EIA compliant（Options）
【E354】
Outer dimensions: W480×H354 (mm) (when mounted to the main body)
Weight: Approx. 2 kg
Casing finish: stainless steel with coating finish (pearl gray with a slight gloss)
【E442】
Outer dimensions: W480×H442 (mm) (when mounted to the main body)
Weight: Approx. 2.5 kg
Casing finish: stainless steel with coating finish (pearl gray with a slight gloss)

Spesifikasi Teknis SEIKO Master Clock system QC-5500 series: QC-55101 dan QC-55102 | QC-55201 dan QC-55202 | QC-55301 dan QC-55302

Hubungi:
Penjual SEIKO Master Clock System oleh GFClock Yasa Persada, Jakarta atau http://masterclock.gfclock.com | Direct Call: 0818 8020 45

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