Vaisala HMDW110 - Appendix A. Modbus Reference; Modbus Communication Examples

A.4.3 Configuration Registers
Table 54 Modbus Configuration Data Registers (Writable)
Register
Number
(Decimal)
Address
(Hexadecimal)
Register Description Data
Format
Unit / Valid Range
Filtering
785 0310
hex
Filtering factor 32-bit float 0.001 (maximum
filtering) ... 1.000 (no
filtering)
Communication
1537 0600
hex
Modbus address 16-bit
integer
1 ... 247
1538 0601
hex
Bit rate (b/s)
1)
16-bit
integer
5 = 9600
6 = 19200
7 = 38400
8 = 57600
1539 0602
hex
Parity, data, stop bits
1)
16-bit
integer
0 = N81
1 = N82
2 = E81
3 = E82
4 = O81
5 = O82
1540 0603
hex
Response delay 16-bit
integer
0 ... 1020 ms
1541 0604
hex
Protocol 16-bit
integer
6 = Modbus RTU
Functions
1542 0605
hex
Restart device 16-bit
integer
Write 1 to restart device
1) Changed setting will be activated on device restart.
Appendix A – Modbus Reference
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