Vaisala DRYCAP DMT346 Betriebsanweisung PDF herunterladen (Seite 8)

User's Guide _______________________________________________________________________

6 ____________________________________________________________________ M210762EN-A

Figure 35

Basic Display ............................................................................54

Figure 36 Graphical Display......................................................................55

Figure 37 Main Views ...............................................................................57

Figure 38 Service Port Connector and User Port Terminal on the

Motherboard .............................................................................

Figure 39 Connection Example Between PC Serial Port and User Port ..61

Figure 40 Starting Hyper Terminal Connection ........................................62

Figure 41 Connecting to Hyper Terminal..................................................63

Figure 42 Hyper Terminal Serial Port Settings .........................................63

Figure 43 Pressure Set Buttons on Motherboard .....................................74

Figure 44 Following Device Information on the Display ........................... 79

Figure 45 Current/Voltage Switches of Output Modules ..........................86

Figure 46 Relay Availability.......................................................................94

Figure 47 Following AutoCal on the Display...........................................102

Figure 48 Performing Manual Purge.......................................................103

Figure 49 Activating Start-up Purge........................................................104

Figure 50 Following Stabilization ............................................................113

Figure 51 Proceeding with T

d/f

Adjustment ............................................114

Figure 52 Completing T

d/f

Adjustment....................................................114

Figure 53 Error Indicator and Error Message .........................................122

Figure 54 Dewpoint Measurement Accuracy Graph for Vaisala DRYCAP

Dewpoint Transmitter DMT345...............................................

128

Figure 55 Dewpoint Measurement Accuracy Graph for Vaisala DRYCAP

Dewpoint Transmitter DMT346...............................................

129

Figure 56 DMT345/346 Transmitter Body Dimensions ..........................133

Figure 57 Cooling Set Installation...........................................................135

Figure 58 Insulation with Mineral Wool...................................................137

List of Tables

Table 1 Manual Revisions .....................................................................10

Table 2 Related Manuals.......................................................................10

Table 3 Output Quantities and Their Abbreviations for Vaisala

DRYCAP

Dewpoint Transmitter DMT345...............................16

Table 4 Optional Output Quantities and Their Abbreviations for Vaisala

DRYCAP

Dewpoint Transmitter DMT345...............................16

Table 5 Output Quantities and Their Abbreviations for Vaisala

DRYCAP

Dewpoint Transmitter DMT346...............................16

Table 6 Connecting Twisted Pair Wires to Screw Terminals ................49

Table 7 4-Wire (Switch 3:On) ................................................................50

Table 8 2-Wire (Switch 3:Off) ................................................................51

Table 9 8-Pin Connector Wiring ............................................................52

Table 10 Periods for Trend and Max/Min Calculations ...........................55

Table 11 Graph Information Messages ...................................................56

Table 12 Default Serial Communication Settings for User Port ..............61

Table 13 Fixed Communication Settings for Service Port.......................62

Table 14 Measurement Commands ........................................................64

Table 15 Formatting Commands .............................................................64

Table 16 Data Recording Commands .....................................................64

Table 17 Purge Commands.....................................................................64

Table 18 Autocalibration Commands ......................................................64

Table 19 Calibration and Adjustment Commands...................................65

Table 20 Setting and Testing the Analog Outputs...................................65

Table 21 Setting and Testing the Relays.................................................65

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