Vaisala HUMICAP HMM170 - Page 4

7.2 Dimensions......................................................................................................29
7.3 Accessories and spare parts......................................................................... 30
Appendix A: Modbus reference.................................................................. 32
A.1 Default communication settings...................................................................32
A.2 Function codes................................................................................................32
A.3 Data encoding.................................................................................................32
A.3.1 32-bit floating point or 32-bit integer format......................................33
A.3.2 16-bit integer format...............................................................................33
A.4 Modbus registers............................................................................................34
A.4.1 Measurement data registers.................................................................. 34
A.4.2 Configuration registers........................................................................... 37
A.4.3 Status registers....................................................................................... 40
A.4.4 Test value registers................................................................................. 42
A.5 Device identification objects.........................................................................42
A.6 Exception responses...................................................................................... 43
A.7 Modbus communication examples.............................................................. 44
Appendix B:
FCC Part 15 compliance statement.................................... 47
Maintenance and calibration services........................................................ 49
Warranty............................................................................................................49
Technical support............................................................................................49
Recycling...........................................................................................................49
HMM170 User Guide M212259EN-D
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