STRATOS HSSD - Histogram Format; Product ID Numbers

World Patents Pending ©AirSense Technology Ltd. 1999
ISSUE 2.4
Page 43
TECHNICAL. MANUAL
1 Stratos-HSSD
2 Stratos-ES
3 Stratos-Quadra
4 SpeedScan
Number Product
The product id numbers stored in the histogram data packet are shown below.
Product id numbers
The shaded areas on the histogram packet have been changed for revision 3.2 of the
Stratos software.
Data Size
0x10 byte
packet version number or 0x00 byte
product id number (see following list for types) byte
number of detectors or 0x00 byte
0xff word
0x01 word
0xff word
Fast histogram data 32 words
obscuration * 100 or 0x00 word
detector number or 0x00 byte
period (DAY/NIGHT) byte
Normal histogram data 32 words
Low limit of data window byte
Top limit of data window byte
Sum height of histogram byte
A/D input class byte
Alarm level word
Pre alarm level word
Aux. level word
Histogram mean * 100 word
Histogram variance * 100 word
Minutes left of FastLearn otherwise zero if no FastLearn word
Alarm factor word
The format of a histogram packet as sent to the remote software is detailed following.
Histogram
format