Lauda IN 550 XT FC Operation Manual page 4

4.6 Connecting the cooling water................................................................................................................................... 35
4.7 Configuring interfaces................................................................................................................................................ 37
4.7.1 Configure potential-free contact (alarm output)................................................................................ 37
4.7.2 Interface potential-free contact............................................................................................................ 38
4.7.3 Configuring the Ethernet interface....................................................................................................... 38
4.7.4 Data transfer rate.................................................................................................................................... 44
4.7.5 Protocol of the interface......................................................................................................................... 45
4.7.6 Read commands...................................................................................................................................... 45
4.7.7 Write commands..................................................................................................................................... 50
4.7.8 Profibus interface commands................................................................................................................ 53
4.7.9 Error messages......................................................................................................................................... 53
5 Commissioning.................................................................................................................................................................... 55
5.1 Establishing a mains connection................................................................................................................................ 55
5.2 Switching on the device for the first time................................................................................................................ 56
5.3 Operating the device with the operating unit.......................................................................................................... 58
5.3.1 Home window, navigation and softkeys................................................................................................ 58
5.3.2 Menu structure......................................................................................................................................... 61
5.3.3 Enter entry window and set temperature............................................................................................. 63
5.3.4 Graph window........................................................................................................................................... 65
5.3.5 Operate the device using the Command Touch unit.......................................................................... 65
5.4 Setting the heat transfer liquid.................................................................................................................................. 66
5.5 Setting Tmax................................................................................................................................................................ 67
5.6 Setting temperature limits Tih and Til....................................................................................................................... 68
5.7 Maximum pressure and pressure limit...................................................................................................................... 69
5.8 Fill the device with heat transfer liquid..................................................................................................................... 70
5.9 Degas heat transfer liquid (low boiling point expulsion)......................................................................................... 74
5.10 Setting the flow rate of the heat transfer liquid....................................................................................................... 75
5.11 Set bypass..................................................................................................................................................................... 77
5.12 Switching on the through-flow control..................................................................................................................... 77
5.13 Setting the flow rate................................................................................................................................................... 80
6 Operation............................................................................................................................................................................. 81
6.1 General warnings.......................................................................................................................................................... 81
6.2 Operating modes........................................................................................................................................................ 83
6.3 Control parameters for flow controller.................................................................................................................... 83
6.4 Standard control parameters..................................................................................................................................... 84
6.4.1 Control basics........................................................................................................................................... 85
6.4.2 Overview of internal control parameters.............................................................................................. 87
6.4.3 Overview of external control parameters............................................................................................. 88
6.4.4 Activate control variable......................................................................................................................... 89
4 / 171 Integral process thermostats with flow control unit V4