Vaisala HPP272 - Page 4

7. Using Probe with Indigo Transmitters................................................. 29
7.1 Indigo Overview............................................................................................. 29
7.1.1 Wireless Configuration Interface Overview.........................................30
7.2 Attaching Probes.............................................................................................31
7.3 Connecting to Wireless Configuration Interface........................................ 32
7.4 Logging in to Wireless Configuration Interface..........................................33
8. Maintenance....................................................................................................34
8.1 Cleaning the Probe.........................................................................................34
8.1.1 Chemical Tolerance.................................................................................34
8.2 Calibration and Adjustment.......................................................................... 35
9. Troubleshooting............................................................................................36
9.1 Problems and Their Possible Solutions........................................................36
9.2 Analog Output Error State............................................................................40
10. Technical Data.................................................................................................41
10.1 Dimensions......................................................................................................43
10.2 Accessories..................................................................................................... 44
Appendix A:
Modbus Reference........................................................................45
A.1 Default Communication Settings................................................................. 45
A.2 Function Codes...............................................................................................45
A.3 Data Encoding................................................................................................ 45
A.3.1 32-Bit Floating Point or Integer Format...............................................45
A.3.2 16-Bit Integer Format............................................................................. 46
A.4 Modbus Registers...........................................................................................46
A.4.1 Measurement Data Registers.................................................................47
A.4.2 Configuration Registers......................................................................... 48
A.4.3 Status Registers...................................................................................... 54
A.4.4 Device Identification Objects.................................................................56
A.4.5 Test Value Registers................................................................................ 57
A.5 Modbus Communication Examples..............................................................58
Warranty........................................................................................................................ 61
Technical Support...................................................................................................... 61
Recycling....................................................................................................................... 61
HPP272 User Guide M211972EN-B
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