Vaisala HPP272 - Page 53

Address
(Decimal)
Address
(Hexadecimal)
Register Description Data
Format
Unit / Valid Range
1286 0505
hex
Temperature
compensation on/o
16-bit
boolean
0 = O
1 = On. If turned on,
overrides the
temperature from the
temperature probe in the
calculation of other
measurement
parameters. Define the
temperature in registers
0302
hex
(volatile value)
and 0306
hex
(power-up
value).
(default: 0 = O)
1287 0506
hex
Manual purge trigger in
analog mode on/o
16-bit
boolean
1 = On
0 = O
(default: 1 = On)
1537 0600
hex
Modbus address 16-bit
integer
1 ... 255 (default: 240)
1538 0601
hex
Bit rate enum 5 = 9600
6 = 19200
7 = 38400
8 = 57600
9 = 115200
(default: 6 = 19200)
1539 0602
hex
Parity, number of data
bits, number of stop bits
enum 0 = None, 8, 1
1 = None, 8, 2
2 = Even, 8, 1
3 = Even, 8, 2
4 = Odd, 8, 1
5 = Odd, 8, 2
(default: 1 = None, 8, 2)
1540 0603
hex
Response delay 16-bit
integer
ms
0 ... 1000
1541 0604
hex
Restart device 16-bit
function
status
When writing to register:
1 = Restart the device
Analog Output 1:
Appendix A – Modbus Reference
51