Lufft CHM 8k, User Manual, Page: 71 / 72

Operating Manual CHM 8k
R1.7 / 01-2020
Index of Tables 71
13
Index of Tables
Table 1 Equipment versions. .................................................................................................................... 8
Table 2 Technical data. ............................................................................................................................ 9
Table 3 Commands for functional testing (examples). ...........................................................................23
Table 4 List of configurable parameters, ................................................................................................28
Table 5 List of read-only parameters, accessible via the RS485 interface; ...........................................28
Table 6 Correlation between baud rate # and baud rate. .......................................................................31
Table 7 Summary of transfer modes. .....................................................................................................32
Table 8 Standard data telegram format; * = any character. ...................................................................34
Table 9 Extended data telegram format (see also Table 10); * = any character. ..................................37
Table 10 Designations in the extended data telegram. ..........................................................................37
Table 11 Baud rate
– logging time restrictions. ......................................................................................38
Table 12 Raw data telegram format; * = any character..........................................................................38
Table 13 Dimensions in NetCDF. ...........................................................................................................40
Table 14 Global attributes in NetCDF. ...................................................................................................40
Table 15 Variables in the NetCDF file. ...................................................................................................43
Table 16 Special values of the evaluation parameters. .........................................................................43
Table 17 Status codes / status bits. .......................................................................................................44
Table 18 Escalated status codes (HW: Hardware, SW: Software, FW: Firmware), *delete: error is
shown until fault condition is removed. .................................................................................47
Table 19 NTP status. ..............................................................................................................................53
Table 20 Q-Index description of aerosol layer height. ............................................................................60
Table 21 Degree of coverage, WMO code 2700 and definitions in 10
th
. ...............................................61
Table 22 Sky Condition Index (SCI). ......................................................................................................62
Table 23 Cleaning intervals / measures. ................................................................................................64
Table 24 Preventive maintenance intervals and measures. ..................................................................66
Table 25 Hardware revisions (HardwareVersion 0 means value not set) ..............................................67
Table 26 Operating system / FPGA releases .........................................................................................67
Table 27 Firmware revisions. .................................................................................................................69