6.8.1 How to insert the SIM card................................................................................................. 26
6.8.2 How to do a modem test.................................................................................................... 27
6.8.3 How to insert the MicroSD card ......................................................................................... 28
6.8.4 How to replace the internal fuse........................................................................................ 28
6.8.5 How to replace the internal lithium battery....................................................................... 28
6.8.6 How to replace the internal lead-acid battery (MRL-7B) ................................................... 29
6.8.7 How to update the software .............................................................................................. 29
6.8.8 Calibration........................................................................................................................... 31
6.8.9 Data security....................................................................................................................... 31
7Communication.......................................................................................................................... 32
7.1 How to connect to the data logger............................................................................................... 32
7.1.1 USB to RS-232 converter .................................................................................................... 32
7.1.2 Bluetooth ............................................................................................................................ 36
7.1.3 IP-Call .................................................................................................................................. 38
7.1.4 Terminal editor ................................................................................................................... 41
7.2 How to define a station................................................................................................................. 42
8Configuration ............................................................................................................................. 43
8.1.1 How to view the data logger settings................................................................................. 43
8.2 Setting up the data logger............................................................................................................. 43
8.3 General settings ............................................................................................................................ 43
8.4 Measurement interval .................................................................................................................. 44
8.5 Data storage interval..................................................................................................................... 44
8.6 Totalizer reset options .................................................................................................................. 44
8.7 Measurement table ...................................................................................................................... 44
8.8 Messages & Actions ...................................................................................................................... 45
8.9 Telecommunication modem......................................................................................................... 45
8.10 E-Mail settings............................................................................................................................... 46
8.11 Remote connection....................................................................................................................... 47
8.12 Data logger clock........................................................................................................................... 47
8.13 Camera.......................................................................................................................................... 47
8.14 Data transmission ......................................................................................................................... 48
8.15 Serial interfaces............................................................................................................................. 48
8.15.1RS-232 interface.................................................................................................................. 48
8.15.2RS-485 interface.................................................................................................................. 49
8.15.3Serial data output ............................................................................................................... 49
8.15.4Output protocols ................................................................................................................ 49
8.15.5Commands.......................................................................................................................... 51
9Measurements & data acquisition............................................................................................... 53
9.1 Analog measurements .................................................................................................................. 53
9.1.1 Principals............................................................................................................................. 53
9.1.2 Measurement intervals ...................................................................................................... 53
9.1.3 Single ended voltage measurement................................................................................... 53
9.1.4 Differential voltage measurement ..................................................................................... 54
9.1.5 Current measurement ........................................................................................................ 54
9.1.6 Resistance measurement ................................................................................................... 54
9.2 Counter & frequency measurements ........................................................................................... 55
9.2.1 Counting events.................................................................................................................. 55
9.2.2 Frequency measurement.................................................................................................... 55
9.3 RS-485 ........................................................................................................................................... 56
9.3.1 Principals............................................................................................................................. 56
9.3.2 Operation modes................................................................................................................ 56
