13.2 Setting the volume of the acoustic signals ........................................................................................................................ 87
13.3 Setting the chiller ................................................................................................................................................................ 87
13.4 Setting the display brightness ............................................................................................................................................ 88
13.5 Defining the starting mode (Autostart) ............................................................................................................................ 88
13.6 Limiting the mains current consumption .......................................................................................................................... 89
13.7 Entering the offset of the displayed temperature (calibration) ...................................................................................... 89
13.8 Restoring the factory setting of the internal temperature sensor .................................................................................. 90
13.9 Key lock ................................................................................................................................................................................ 91
14 List of "Alarm and warning codes".............................................................................................................................................. 92
15 Graphical display of temperature measurements ..................................................................................................................... 95
16 External control ........................................................................................................................................................................... 98
16.1 Activating external control (external Pt100) .................................................................................................................. 98
16.2 Show the selected control variable (external temperature) on the display .................................................................... 98
16.3 Setpoint offset operating mode (Diff.set/actual) ............................................................................................................ 99
17 Programmer .............................................................................................................................................................................. 100
17.1 Programming example ..................................................................................................................................................... 100
17.2 Creating and editing a program ...................................................................................................................................... 102
17.3 Starting the program ........................................................................................................................................................ 104
17.4 Interrupting, continuing or terminating the program .................................................................................................... 104
17.5 Defining the number of program loops (Loops) ............................................................................................................ 105
18 Control parameters .................................................................................................................................................................. 106
18.1 Internal control variable (internal temperature sensor) ................................................................................................ 106
18.2 External control variable .................................................................................................................................................. 108
18.2.1
Setting the correcting quantity limit ...................................................................................................................... 109
18.2.2
Procedure for setting the control parameters for external control .................................................................... 110
19 Interface modules ..................................................................................................................................................................... 111
19.1 Menu structure of the modules ...................................................................................................................................... 111
19.2 Analog module .................................................................................................................................................................. 112
19.3 RS 232/485 interface module ...................................................................................................................................... 113
19.3.1
Connecting lead and interface test RS 232 ........................................................................................................ 113
19.3.2
RS 232 protocol ..................................................................................................................................................... 114
19.3.3
RS 485 connecting lead ........................................................................................................................................ 114
19.3.4
RS 485 protocol ..................................................................................................................................................... 115
19.4 LiBus module .................................................................................................................................................................... 115
19.5 Pt100/LiBus module ....................................................................................................................................................... 116
19.6 USB interface ................................................................................................................................................................... 117
19.6.1
Description .............................................................................................................................................................. 117
19.6.2
Installation of the USB driver ................................................................................................................................. 117
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