FT Technologies acures FT722 - Page 3

Section 1 Introduction
3 FT722 & FT742 (RS485) – FF & PM Sensors – User Manual
4.4.3 Command Line Terminal Programs (Including Tera Term) ............................................ 47
5 SENSOR COMMUNICATION ........................................................................... 49
5.1 Introduction ........................................................................................................................ 49
5.2 RS485 Protocol .................................................................................................................. 49
5.3 Configuring the Sensor ..................................................................................................... 50
5.4 Communication .................................................................................................................. 50
5.4.1 Conventions used in this manual .................................................................................... 50
5.4.2 Data Transmission .......................................................................................................... 51
5.4.3 Message Format.............................................................................................................. 51
5.4.4 Listener and Talker Identifiers ......................................................................................... 52
5.4.5 Calculating the Message Checksum ............................................................................... 52
5.4.6 Disabling the Checksum .................................................................................................. 52
6 PARAMETER SETTINGS ................................................................................ 54
6.1 Command Types ................................................................................................................ 54
6.1.1 Set Commands ................................................................................................................ 54
6.1.2 Query Commands ........................................................................................................... 55
6.2 User Calibration Table ....................................................................................................... 56
6.3 Timing Constraints ............................................................................................................ 57
6.4 Command Parameters ....................................................................................................... 58
6.4.1 AM: Set or Query the Anemometer Mount Orientation ................................................... 58
6.4.2 AT.1: Query the Acoustic Temperature ........................................................................... 59
6.4.3 AT.2: Set or Query the Acoustic Temperature Units ....................................................... 60
6.4.4 AT.3 Set or Query the Acoustic Temperature Filter Length ............................................ 61
6.4.5 BR: Set or Query the Serial Interface Baud Rate ............................................................ 62
6.4.6 CF: Set or Query the Wind Datum Offset Angle ............................................................. 63
6.4.7 CU: Set or Query the Continuous Update Setting........................................................... 64
6.4.8 DF: Set or Query the Wind Velocity Data Format ........................................................... 65
6.4.9 DG: Query the Run-time Counter .................................................................................... 66
6.4.10 DL: Set or Query the Command Delay Interval .......................................................... 67
6.4.11 ER: Query or Reset the Error Report .......................................................................... 68
6.4.12 FL.1: Set or Query General Filter Settings ................................................................. 69
6.4.13 FL.2: Set or Query Filter Lengths ................................................................................ 70
6.4.14 FL.3: Set or Query the Selective Filter ........................................................................ 71
6.4.15 HT.1: Set or Query General Heater Settings ............................................................. 72
6.4.16 HT.2: Set or Query Delay Heater Settings ................................................................. 73
6.4.17 HT.3: Set or Query Limit Heater Settings ................................................................... 74
6.4.18 ID: Set or Query the Listener & Talker Identifiers ....................................................... 75
6.4.19 MM: Reset or Query the Min/Max Recorded Wind Speed.......................................... 76
6.4.20 OS: Set or Query Overspeed Warning Scheme ........................................................ 77
6.4.21 RS: Reset the Sensor ................................................................................................. 78
6.4.22 SN: Query the Serial Number and Platform Version .................................................. 79
6.4.23 SV: Query the Software Version ................................................................................. 80
6.4.24 UC.1: Set or Query General User Calibration Settings ............................................... 81
6.4.25 UC.2: Clear User Calibration Table Record ................................................................ 82
6.4.26 UC.3: Set User Calibration Table Record ................................................................... 83
6.4.27 UC.4: Save and Read User Calibration Table ............................................................ 84
6.4.28 UC.5: Set & Query User Calibration Table Label ....................................................... 85
6.4.29 US: Set or Query Saved Parameters .......................................................................... 86
6.4.30 WV Polar: Query the Wind Velocity Reading .............................................................. 88
6.4.31 WV NMEA: Query the Wind Velocity Reading ............................................................ 89