Vaisala HMP110REF User Manual

Register number Register address Register
description
Data format Unit / Valid range
1539 0602
hex
Parity, data, stop
bits
1)
16-bit integer 0 = None, 8, 1
1 = None, 8, 2
2 = Even, 8, 1
3 = Even, 8, 2
4 = Odd, 8, 1
5 = Odd, 8, 2
1540 0603
hex
Response delay 16-bit integer 0 … 1020 ms
1541 0604
hex
Protocol 16-bit integer 6 = Modbus RTU
1542 0605
hex
Restart device 16-bit integer When writing to
register:
1 = Restart
the device
1) Changed setting will be activated on device restart.
If incompatible settings/protocol are selected and the probe is then restarted, it
might no longer be possible to communicate with the probe using Modbus. You
can override invalid communication settings in Vaisala Insight software, Settings
menu. See Vaisala Insight software (page 31).
A.4.3 Status registers
Table 43 Modbus status data registers (read-only)
Register
number
Address Register description Data
format
Note
513 0200
hex
Error status 16-bit
integer
0000
hex
: One or more errors active
0001
hex
: No errors
516 0203
hex
Error code 32-bit
integer
0204
hex
518 0205
hex
Security hash 32-bit
integer
Security hash changes when any
change is made to device settings
or adjustments, but also returns
back to the previous value if such
changes are reverted completely.
0206
hex
Appendix A – Modbus reference
89

Vaisala HMP110REF Specifications

General

Brand	Vaisala
Model	HMP110REF
Category	Measuring Instruments
Language	English