USER'S GUIDE____________________________________________________________________
10 __________________________________________________________________ M210796EN-F
List of Tables
Table 1 Manual Revisions .....................................................................12
Table 2 Related Manuals.......................................................................12
Table 3 Application, Location Classes...................................................15
Table 4 Basic Quantities Measured by PTU300 ...................................21
Table 5 Optional Quantities Measured by PTU300...............................21
Table 6 Optional Pressure Quantities Measured by PTU300 ...............21
Table 7 Wiring of the Optional 8-Pin Connector....................................39
Table 8 Pin Assignments to RS-232/485 Serial Output ........................40
Table 9 Connecting the Twisted Pair Wires to the Screw Terminals ....56
Table 10 4-Wire (Switch 3: On) ...............................................................57
Table 11 2-Wire (Switch 3: Off) ...............................................................58
Table 12 Observartion Periods and Resolution.......................................62
Table 13 Periods for Trend and Max/Min Calculations ...........................70
Table 14 Graph Information Messages in Cursor Mode .........................71
Table 15 Default Serial Communication Settings for the User Port ........81
Table 16 Communication Settings for the Service Port...........................83
Table 17 IP Settings for the LAN and WLAN Interfaces..........................84
Table 18 Wireless LAN Settings..............................................................87
Table 19 Measurement Commands ........................................................94
Table 20 Formatting Commands.............................................................94
Table 21 Data Recording Commands .....................................................95
Table 22 Chemical Purge Commands.....................................................95
Table 23 Calibration and Adjustment Commands...................................95
Table 24 Setting and Testing the Analog Outputs...................................95
Table 25 Setting and Testing the Relays.................................................95
Table 26 Pressure Commands................................................................96
Table 27 GPS Commands.......................................................................96
Table 28 Other Commands .....................................................................96
Table 29 FORM Command Modifiers....................................................101
Table 30 Conversion Factors for Pressure Units ..................................108
Table 31 Filtering Levels for Relative Humidity (RH) and
Temperature (T)......................................................................111
Table 32 Selection of Output Modes .....................................................119
Table 33 Relay State Examples ............................................................135
Table 34 Supported MODBUS Variants................................................147
Table 35 Error Messages ......................................................................160
Table 36 Adjustment and Calibration Commands.................................164
Table 37 Indicator Led Functions ..........................................................165
Table 38 Calculated Variables (Typical Ranges) ..................................182
Table 39 Transmitter Weight (in kg/lb) ..................................................186
Table 40 Supported Function Codes.....................................................207
Table 41 PTU300 MODBUS Register Blocks........................................208
Table 42 Measurement Data Registers.................................................210
Table 43 Status Registers .....................................................................211
Table 44 Configuration Parameter Registers........................................211
Table 45 Configuration Flag Registers..................................................212
Table 46 PTU300 Exception Status Outputs.........................................212
Table 47 PTU300 MODBUS Diagnostics..............................................213
Table 48 PTU300 MODBUS Device Identification ................................214
Table 49 PTU300 MODBUS Exception Responses..............................214