Ceilometer CT25K
User’s Guide CT25K-U059en-2.1
90
Press ENTER. The prompt "CT:"should appear on the screen. If not,
check the cables and port settings (see CT-VIEW User’s Guide).
4. Check that the operation of the ceilometer starts normally, as follows:
After power-up routines, the MEAS LED D4 (LED = Light Emitting
Diode) on the DCT51 board periodically lights 12 seconds and the cycle
is repeated according to the programmed data acquisition interval. In the
DC Converter DPS52 Board LED D1 should be blinking yellow and LED
D2 should be stable green. Also, in the Processor board LED STATUS
should be blinking at a 1 second interval.
5. Get the status message as follows: Press ENTER on the maintenance
terminal (PC) keyboard and a CT: prompt should appear. Give the
command OPEN and press enter.
CT> OPEN ↵
A CEILO> prompt should appear. Give command GET STATUS and
press enter.
CEILO> GET STATUS ↵
Status format example :
VOLTAGES (UNIT 0.1V)
P12 125 M12 -126 P5G 54 M5G -54 VCA 225
P13 128 M13 -124 P5R 50 M5R -50 BAT*098
P18 178 PHV 2306 PFB 17 P65 674 CHA 144
RECEIVER TRANSMITTER
GAIN H PLEN L
BAND N PQTY 64K
SAMP 10MHz OUT 1416mV
SENS OK SENS 101%
COMP 005 199 IN 190
TEMPERATURES ENVIRONMENT
BLOWER +20C WINDOW 210mV 101%
CPU +34C RADIANCE +60mV
LASER +29C ANGLE +3DEG
LENS +34C HUMIDITY NONE
OUTSIDE +23C
INHEATER ON OUTHEATER OFF BLOWER OFF
NOTE
If there are variables showing xxx-values in the status
message, the power up routines are not finished. Wait for
a while and ask for the status again.
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