LSI LASTEM Alpha-Log - Page 5

Alpha-Log – User manual
LSI LASTEM SRL
INSTUM_03388
Page 5 / 116
4.1.5.7 Atmospheric pressure ......................................................................................................... 52
4.1.5.8 Thermo-hygrometer SNS ..................................................................................................... 52
4.1.5.9 Boschung ............................................................................................................................. 52
4.1.5.10 Temperature TI ................................................................................................................ 53
4.1.5.11 Frequency/Pulse inputs ................................................................................................... 53
4.1.5.12 Calculated measure ......................................................................................................... 53
4.1.6 Measurements ......................................................................................................................... 53
4.1.7 Elaboration parameters ........................................................................................................... 53
4.1.8 Using the USB memory stick .................................................................................................... 54
4.1.8.1 Use as an external memory ................................................................................................. 54
4.1.8.2 Uso come dispositivo di scambio file................................................................................... 55
4.1.9 Logics ....................................................................................................................................... 55
4.1.9.1 Threshold comparison logic ................................................................................................. 55
4.1.9.2 Timer logic ........................................................................................................................... 57
4.1.10 Actuators and alarms ............................................................................................................... 58
4.1.10.1 Logic assigned to a power supply output (actuator) ....................................................... 58
4.1.10.2 Logic assigned to an action .............................................................................................. 59
4.1.11 Uploading configuration file to Alpha-Log............................................................................... 60
4.1.11.1 Sending via SSH connection ............................................................................................. 60
4.1.11.2 Sending via USB pen drive ............................................................................................... 60
4.1.11.3 Sending via FTP server ..................................................................................................... 61
4.2 Insights the Alpha-Log functionalities ............................................................................................. 62
4.2.1 Communication protocols ....................................................................................................... 62
4.2.2 Internal clock/calendar ............................................................................................................ 62
4.2.3 Calculated quantities ............................................................................................................... 63
4.2.3.1 Position (elevation) of the sun ............................................................................................ 63
4.2.3.2 Diffused solar radiation ....................................................................................................... 64
4.2.3.3 Duration of insolation (heliophania) ................................................................................... 64
4.2.3.4 Penman-Monteith evapo-transpiration .............................................................................. 65
4.2.3.5 Pasquill-Gifford atmospheric stability class ......................................................................... 66
4.2.3.6 Dew point temperature ....................................................................................................... 67
4.2.3.7 Barometric pressure at sea level (QNH) .............................................................................. 68
4.2.3.8 Wind component in aeronautics ......................................................................................... 71
4.2.4 Elaborations ............................................................................................................................. 72
4.2.5 Processed data files ................................................................................................................. 74
4.2.5.1 Header files .......................................................................................................................... 75
4.2.5.2 Processed data files ............................................................................................................. 77