FT Technologies acures FT722 - Page 19

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Section 3 Mechanical Installation & Lightning Protection

19 FT722 & FT742 (RS485) – FF & PM Sensors – User Manual

Figure 9: Cable Specifications

Main Page

Table of Contents2
Product Symbols4
Safety Instructions5
Consignes de Sécurité6
Introduction7
Product Overview7
Build Versions and Labelling7
Scope of Use7
Major Changes Compared to Previous FT702LT Digital Products8
FT722 and FT742 Differences8
Disclaimer8
Functional Description9
Technical Performance9
Wind Speed Calibration11
Wind Speed and Direction Filtering11
Electronic Rotation of the Datum Direction12
Selective Filter Scheme12
Error Detection12
Overspeed Warning Scheme12
Heater Setup12
Acoustic Temperature13
Mechanical Installation & Lightning Protection14
Flat-Front Sensors14
Mechanical & Electrical Integration14
Connector Details18
Cable Details18
Lightning, Surge & EMI Protection20
Pipe-Mount Sensors25
Mechanical & Electrical Integration25
Assembling the Pipe Mount Adapter29
Connector Details30
Cable Details30
Lightning, Surge & EMI Protection32
Service, Configuration & Testing37
Inspection37
Fault Finding & Troubleshooting38
Returns39
The Acu-Test Evaluation Kit40
Software Installation41
Acu-Vis 2.0 Software Operation42
Command Line Terminal Programs (Including Tera Term)47
Sensor Communication49
Introduction49
RS485 Protocol49
Configuring the Sensor50
Communication50
Conventions Used in this Manual50
Data Transmission51
Message Format51
Listener and Talker Identifiers52
Calculating the Message Checksum52
Disabling the Checksum52
Parameter Settings54
Command Types54
Set Commands54
Query Commands55
User Calibration Table56
Timing Constraints57
Command Parameters58
AM: Set or Query the Anemometer Mount Orientation58
AT.1: Query the Acoustic Temperature59
AT.2: Set or Query the Acoustic Temperature Units60
AT.3 Set or Query the Acoustic Temperature Filter Length61
BR: Set or Query the Serial Interface Baud Rate62
CF: Set or Query the Wind Datum Offset Angle63
CU: Set or Query the Continuous Update Setting64
DF: Set or Query the Wind Velocity Data Format65
DG: Query the Run-Time Counter66
DL: Set or Query the Command Delay Interval67
ER: Query or Reset the Error Report68
FL.1: Set or Query General Filter Settings69
FL.2: Set or Query Filter Lengths70
FL.3: Set or Query the Selective Filter71
HT.1: Set or Query General Heater Settings72
HT.2: Set or Query Delay Heater Settings73
HT.3: Set or Query Limit Heater Settings74
ID: Set or Query the Listener & Talker Identifiers75
MM: Reset or Query the Min/Max Recorded Wind Speed76
OS: Set or Query Overspeed Warning Scheme77
RS: Reset the Sensor78
SN: Query the Serial Number and Platform Version79
Query the Software Version80
UC.1: Set or Query General User Calibration Settings81
UC.2: Clear User Calibration Table Record82
UC.3: Set User Calibration Table Record83
UC.4: Save and Read User Calibration Table84
UC.5: Set & Query User Calibration Table Label85
Set or Query Saved Parameters86
WV Polar: Query the Wind Velocity Reading88
WV NMEA: Query the Wind Velocity Reading89

FT Technologies acures FT722 - Page 19

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