Ceilometer CT25K
CT25K-U059en-2.1 User’s Guide
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CT25039 INTERNAL HEATERS
SUBASSEMBLY
CT3675 TILT ANGLE SENSOR
CTB22 OPTICAL SUBASSEMBLY
CTT21 LASER TRANSMITTER
CTR21 RECEIVER
CTL21 OPTICS MONITOR
CT25015 COMPENSATION FIBER
DMF51 BOARD FRAME
DMC50B PROCESSOR BOARD
DPS52 DC CONVERTER BOARD
DCT51 CEILOMETER INTERFACE BOARD
DMX55 MODEM BOARD Specified at order
DMX50 MODEM BOARD Specified at order
DM35945 DMX50 CONNECTION ADAPTER
DMX611 ANET BUS INTERFACE Specified at order
CT3681 BATTERY SWITCH SUBASSEMBLY
CT3696 COAXIAL CABLE
CT4697 OPTICS MONITOR CABLE
CT1679 SHIELD
CT2614 BLOWER 230 VAC Specified at order
CT2688 BLOWER 115 VAC Specified at order
CT25106 PEDESTAL, metal Specified at order
CT2665 PEDESTAL, fiberglass Specified at order
CT3839 POWER LINE CABLE
CT3838 DATA CABLE
CT3709 POWER TERMINATION BOX Specified at order
CT3707 SIGNAL TERMINATION BOX Specified at order
PSION3 MAINTENANCE TERMINAL Specified at order
CT3840 TERMINAL CABLE Specified at order
CT35198 PC TERMINAL CABLE Specified at order
17430 DOOR KEY SOUTHCO E3-3
CT45155 ALLEN KEY 6mm
CT25KWBK WEDGE BOLT KIT
CT25184 OPTICAL TERMINATION HOOD Specified at order
CT35022 SHOCK ABSORBER Specified at order
5.2.2 LIDAR Measurement
Refer to Block Diagram in Figure 5-4. Top level control resides in the
software of Processor Board DMC50B. This determines what settings are to
be used for the measurement. The settings are written by the software into
Ceilometer Interface Board DCT51, which then carries out the actual
measurement autonomously. When the measurement is complete, an interrupt
is issued from the DCT51 to the DMC50B, upon which the accumulated
measurement backscatter raw data profile is fetched by the DMC50B into its
RAM for the algorithmic processing.
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