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BTD-300
User manual
Biral BTD-300 User Manual
Thunderstorm detector
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User manual
(7 pages)
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Contents
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Table of Contents
Table of Contents
Safety
Product Description
Installation
Figure 1: Main Components of the BTD
Site Selection
Figure 2: Site Suitability Considerations
Figure 3: Lowering of Electronics Enclosure Box from Its Temporary Packaging Position
Figure 4: BTD Base Plate Dimensions
Figure 5: NORTH Pointing Arrow
Tools Required for Assembly
Package Contents
Figure 6: BTD-300 Assembly Instructions
Corona Spikes
Direction Finder Angle Offset
Figure 7: Insertion of a Corona Spike into One of the Rain Shields
Power and Data Cables
Figure 8: BTD-300 and BTD-350 Enclosure Box Cable Gland Arrangement
Figure 9: Terminal Positions for Power Connection
Figure 10: Location and Numbering of the RS422 Terminals on the Main Circuit Board
Table 1: RS422 Serial Communication Terminal Designations
RS422 Connection Options
Figure 11: Location of SW2 Switch
Relay Connections
Figure 12: Location of RS422 Configuration Switches
Electrical Grounding
Figure 13: Relay Connections
Installation Completion
Initial System Calibration
Relay Option
Data Output
General
Data Interpretation
Data Message
Table 2: Standard Data Message
Table 3: Warning Flag Description
Local Calibration Values
Site Characterisation Message
Table 4: Local Calibration Message
Self-Test Message
Table 5: Site Characterisation Message
Table 6: Self-Test Message
Sensitivity Level Message
Table 7: Status Flag Description
Table 8: Second Status Flag Description
Distance Limit Message
Relay Parameters Message
Real Time Clock Message
Table 9: Sensitivity Level Message
Table 10: Distance Limit Message
Table 11: Relay Parameter Message
Hysteresis Time Message
Distant Warning Message
Table 12: Real Time Clock Message
Table 13: Hysteresis Time Message
Table 14: Distant Warning Message
Calibration
Site Characterisation
Flash Detection and Ranging
Lightning Range Calibration
Overhead Thunderstorm Development Sensitivity
Maintenance
Figure 14: Antenna Insulator Unit (BTD-300 Shown)
Command Line Interface
DISTDEF - Set Distance Defaults
DIST? - Get Distance Limits
Distx,Yyyy - Set Distance Limits
DFENABLE? - Get Direction Finder Enable State
DFSTAT? - Get Direction Finder Status
DF-OFFSET? - Get Direction Finder Angle Correction Factor Offset
DF-Offsetxxxx - Set Direction Finder Angle Correction Factor Offset
DF-PV? - Get Direction Finder Program Version
DOSITE - Start Site Characterisation Process
HYST? - Get Hysteresis Times
Hystxxxxx - Set Hysteresis Times
LEVEL? - Get Sensitivity Levels
LEVELAA,BB,CC,DD,EE,FF - Set Sensitivity Levels
LOCAL? - Get Local Calibration Values
PV? - Get Program Version
R? - Self Test Message
RELAY? - Get Relay Information
Rhoxxx - Relay on Hysteresis Time
Rinoxxxx - Relay Inactive Start Time
Rinxxxx - Relay Inactive Stop Time
RST - Reset Command
RTC? - Get Date and Time
RTCDATEW,DD,MM,YY - Set Real Time Clock Date
RTCTIMEHH,MM,SS - Set Real Time Clock Time
RUN - Start Normal Sampling
SCF? - Query Site Correction Factor
Scfxx.XXX - Set Site Correction Factor
SN? - Query Serial Number
SITE? - Get Site Characteristics
STOP - Stop Sampling
W? - Get Distant Flash Warning Parameters
Wx,Yyyy? - Set Distant Flash Warning Params
Specifications
Specification for the Basic BTD Instrument
Dimensions of the BTD-300 and BTD-350
Figure 15: BTD Dimensions
Specification for the Optional Relay Contacts
Appendix
Lightning Flash Detection and Ranging
Charged Precipitation and Overhead Thunderstorm Development
Use of the Corona Initiator Spikes (BTD-300 Only)
BTD-350 Detecting Strong Electric Fields
BTD Fault Detection and Appropriate Response
Table 15: Site Characterisation Warnings
Performance Faqs
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BTD-300
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Biral Thunderstorm Detector
USER MANUAL
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