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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.
By connecting the GNSS Receiver (GNS-300) for exclusive use with QC-5500 Series, the internal
clock can be adjusted automatically on a regular basis.
3. FEATURES
(1) Master clock function (QC-5510X, QC-5520X and QC-5530X)
Up to 30 secondary clocks can 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 SPARES
Accessories and Spares
Quantity
Remarks
Plastic foot
4 pieces
Miniature fuse
3 pieces
250V, 2A
Insulated crimp terminal
See “Remarks”
column.
QC-55101, QC-55102: M4, 10 pieces; M3, 6 pieces
QC-55201, QC-55202: M4, 12 pieces; M3, 6 pieces
QC-55301, QC-55302: M4, 14 pieces; M3, 6 pieces
Instruction manual
1 copy
Mounting hole drilling
template
1 sheet