4 General
3.5 Digital outputs ....................................................................... 28
3.5.1 Nominal data ................................................................. 28
3.6 Interfaces .............................................................................. 29
3.6.1 Serial optical interface ................................................... 29
3.6.2 Integrated modem ......................................................... 29
3.7 Measurement conditions ....................................................... 29
3.7.1 Environment .................................................................. 29
3.8 Labelling ............................................................................... 30
3.8.1 Designation Data Logger .............................................. 30
3.8.2 ATEX marking ............................................................... 31
3.8.2.1 Associated apparatus for Zone 0 and 1 ................. 31
3.8.2.2 Zone 2 ................................................................... 31
3.8.3 Device software Identification ....................................... 32
4 Construction and Function ....................................................... 33
4.1 External view ........................................................................ 33
4.2 Internal view .......................................................................... 34
4.3 Short description ................................................................... 35
4.4 Connections .......................................................................... 35
5 Assembly, Connection and Putting into Operation ................ 37
5.1 Assembly .............................................................................. 37
5.1.1 Assembly on a pipeline ................................................. 38
5.1.2 Assembly on a wall ....................................................... 39
5.2 Connection ............................................................................ 40
5.2.1 Connecting meters ........................................................ 41
5.2.1.1 Connection to a pulse transducer .......................... 41
5.2.1.2 Connection to an encoder ..................................... 41
5.2.2 Sealing the input terminals ............................................ 42
5.2.3 Connecting the power supply ........................................ 42
5.2.3.1 Power supply for the DL230 with integrated power
supply unit ................................................................ 42
5.2.4 Connect outputs of the DL230 ...................................... 43
5.2.4.1 Electrical insulation of the outputs ......................... 45
5.3 Putting into operation ............................................................ 46
5.3.1 Configuration of measurement parameters ................... 46
5.3.1.1 Opening the calibration lock .................................. 46
5.3.1.2 Adjusting the parameters for the pulse transducer of
the meter .................................................................. 48
5.3.1.3 Activating encoder mode ....................................... 48