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Lufft CHM 15k Nimbus Manuals
Manuals and User Guides for Lufft CHM 15k Nimbus. We have
1
Lufft CHM 15k Nimbus manual available for free PDF download: Manual
Lufft CHM 15k Nimbus Manual (101 pages)
"Nimbus" Cloud Height Sensor
Brand:
Lufft
| Category:
Accessories
| Size: 2 MB
Table of Contents
Table of Contents
3
1 Basic Information
5
Manual Structuring & Layout Note
5
Intended Use
5
2 Safety
7
Standards & Directives
7
General Safety Measures
7
Safety Notes Regarding the Laser System
7
Requirements on Personnel
8
Safety Notes Regarding Transportation, Installation, Commissioning & Cleaning
8
Safety Labelling
9
User Manual
9
CHM 15K
10
Fig. 1: Labelling
10
3 Technical Data
11
Table 1: Device Versions
11
Table 2: Technical Data
11
4 Technical Description
15
Setup of CHM 15K
15
Functional Units in Inner Casing Space
16
Functional Chart
17
Fig. 2: Functional Chart, the Numbers in Brackets Corresponds to the Numbering in the Spare Parts List (Refer to Service Manual)
17
Measuring and Monitoring
18
Fig. 3: Flowchart of Measuring and Monitoring Processes Inside the FPGA
18
5 Transportation & Scope of Delivery
19
6 Installation
21
Installing the CHM 15K
21
Preparatory Work
21
Fig. 4: Drilling Template
21
Installation on the Mounting Base
22
Fig. 5: the CHM 15K Packaged and in Transporting Position
22
Fig. 6: the CHM 15K with Styrofoam or Paper Honeycomp Packing Pads
23
Fig. 7: Transporting by Sack Barrow
23
Fig. 8: Position for Raising and Edge Protection Profile
24
Fig. 9: Fasteners (Metric Parts Are Part of the Delivery, Imperial Sizes Can be Used Instead, 3/8"Screw Size)
24
Electrical Installation
25
Fig. 10: Connection Data Cable RS485 (4 Wire). Designations RDA(-), RDB(+) Are Used in Different Ways by RS485 Interface Suppliers. Lufft Is Using the Notation from B&B in this Manual
25
Fig. 11: DSL Connection Using the Black Box DSL Interface
26
Fig. 12: Principle Diagram of Electrical Installation
26
7 Starting up & Shutting down
27
Starting up with Serial Connection RS485
27
Table 3: Essential Commands for Function Testing (Examples)
28
Starting up with LAN Connection
29
Fig. 13: Firefox Browser to Access to a CHM 15K Nimbus Instrument
29
Shutting down
30
Disposal
30
8 Communication RS485 & Ethernet
31
List of Configurable Instrument Parameters
31
Table 4: List of Configurable Device Parameter; *Can be Set in Service Mode; ²In the Web Interface Only, ³By Terminal Program (RS485)
33
Table 5: Read Only Parameters, Accessible Via RS485 Interface
34
Instrument Configuration Using RS 485 Interface
36
Reading a Parameter
36
Setting a Parameter
36
Change in Baud Rate
37
Reboot, Restart and Reset
37
Table 6: Baud-Rate-Number-To-Baud-Rate Assignments. Baud Rates 0;1 Are Not
37
Changing the Logging Time Dt(S), Date & Time
38
Data Queries RS485
38
Table 7: Summary Table of Transfer Modes
38
Polling Mode
39
Automatic Output Mode
39
Standard Data Telegram
40
Table 8: Standard Data Telegram Format, 1(*) = any Character
41
Extended Data Telegram
42
Table 9: Format of Extended Data Telegrams (also Refer to Table 10), 1 * = any Character
42
Table 10: Terms in Extended Data Telegram
44
Raw Data Telegram
45
Table 11: Additional Restrictions
45
Table 12: Raw Data Telegram Format
46
User Configured Data Telegrams
47
Netcdf Format Structure
48
General
48
Fundamentals
48
File Names
48
Format Structure
49
Table 13: Dimensions in Netcdf
49
Table 14: Variables in Netcdf
49
Table 15: Global Attributes in Netcdf
52
Service Codes
54
Table 16: Service Codes/ Status Bits
54
Firmware Update
55
Communication Via Ethernet - Web-Interface
56
Fig. 14: Web Interface Device Menu in Standard User Mode. the Field Is Displayed as the First, and Shows Status Information. a Login as Superuser or Service
56
Fig. 15: Web Interface Netcdf Files (Superuser): Displays a List of Netcdf Files
57
Fig. 16: Web Interface/ Viewer Tab: It Shows 24H of Present Data with 5 Min Update Rate
57
Fig. 17: Web Interface Network Configuration Panel (Service Mode). the Static IP Address
58
Fig. 18: Web Interface: Configure Network in Standard User Mode (Read Only)
58
Fig. 19: Web Interface, Config System Upper Part in Service Mode: Access on System Configuration Parts
59
Fig. 20: Web Interface, Tab Config System Lower Part in Service Mode: Access on System Configuration Parts. in Superuser Mode some Parameters Are
60
Fig. 21: Web Interface RS485 Configuration Panel (Service Mode): in Superuser
60
Time Server
61
AFD Mode
61
Fig. 22: Web Interface: Process Warnings and Error Log, AFD Status Is Only Visible
61
Telegram over Ethernet
64
Netcdf File Tools
64
9 Data Evaluation/ Sky Condition Algorithm (SCA)
65
Laser Remote Sensing
65
Data Preprocessing and Averaging
65
Fig. 23: Normalized Signals P(R) for Reference Unit (Blue) and a Test Unit (Red). a Horizontal
65
Backscatter Data
66
Fig. 24: Example for a Time Average Used to Calculate Cloud Bases in Different
66
Table 17: Format of Reported Backscatter/ Extinction Data in Netcdf Files
66
Cloud Ceilings/ Cloud Base Heights
67
Cloud Penetration Depth
67
Fig. 25: Cloud Detection Algorithm
67
Parameters for Data Evaluation
68
Determination of Maximum Detection Range (MXD)
68
Fig. 26: Diagram to Illustrate the Evaluation Process for Different Cloud Parameters. in Case the Instrument Is Operated in Tilted Mode the Ranges Are Corrected by the Zenith
68
Vertical Optical Range (VOR)
69
Precipitation and Haze
69
Mixed Layer Height
69
Table 18: Quality Index Description, of the Aerosol Layer Height
69
Cloud Amount/ Cloud Cover (BCC / TCC)
70
Table 19: Cloud Amount / Cloud Cover Values Related to WMO Code 2700
70
Sky Condition Index (SCI)
71
Table 20: Sky Condition Index (SCI)
71
Fig. 27: Cloud Amount Algorithm: the Selected Time Interval Used for the Cloud Cover Calculation Depends on the Range, a Truncated Cone Function Is Used for the
72
10 Cleaning, Maintenance & Service Instructions
73
Cleaning
73
Table 21: Cleaning Schedule and Cleaning Action
73
Fig. 28: Glass Panels Have to be Cleaned. in the Lower Right Corner of the Receiver Window
74
Fig. 29: Fans Inlet. Remove Snow, Sedimentation
74
Maintenance Intervals & Action
75
Table 22: Preventive Maintenance Intervals and Action
75
Fig. 30: Air Dehumidifier Bag (2) and Rubber Seal (1)
76
11 Dataclient - Terminal Software for CHM 15K
77
Software Installation
77
Convention for the File Names
77
Start Dialog
78
Fig. 31: Start Dialog Window Dataclient
78
Table 23: Convention of Dataclient File Names
78
Communication Tab
79
Fig. 32: Main Page "Communication", Where All Actions Are Carried Out. the Remaining Four Pages Serve the Monitoring of the Measuring Data as Well as Service Information
79
Raw Data
81
Telegram & Cloud Layer
82
Fig. 33: Raw Data Tab. in the Graph Shown here the Data of the Last Transmitted Raw Data Telegrams Are Captured
82
Fig. 34: All Types of Telegrams Contain Cloud Layer and Associated Penetration Depths; in the
82
Service Code
83
Fig. 35: Service Codes in Dataclient
83
Service & Software Update
84
General Available Controls or Indicators
84
11.10 Autostart and Command Line Parameters
84
11.11 Dataclient Software Versions
86
Table 24: Software Releases Dataclient
86
Annex
87
Revision R09, November
87
Table 25: Example of the Parameter List Received Via RS485 Interface Using the Command: "Get 16:Parameter
88
Table 26: CHM Setting File Downloaded from Web-Interface
90
Table 27: Linux/ FPGA Releases for CPU Board 550
93
Table 28: Linux/ FPGA Releases for CPU Board 552
93
Table 29: Firmware Releases
93
Illustrations
97
List of Illustrations
97
List of Tables
99
Declaration of Conformity
100
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