Vaisala HPP272 - Test Value Registers; Table 19 Test Value Registers

Object Id
(decimal)
Object Id
(hexadecimal)
Object Name Example Contents
4 04
hex
ProductName Hydroxen Peroxide, Humidity, and
Temperature Probe HPP272
128 80
hex
SerialNumber Serial number of the device (for
example “K0710040”)
129 81
hex
Calibration date Date of the factory calibration
130 82
hex
Calibration text Information text of the factory
calibration
A.4.5 Test Value Registers
Table 19 Test Value Registers
Address
(Decimal)
Address
(Hexadecimal)
Register
Description
Data Format Value
7937 1F00
hex
Signed integer 16-bit integer -12345
7938 1F01
hex
Floating point 32-bit float -123.45
7940 1F03
hex
Text string 8-character ASCII
string
"-123.45"
Appendix A – Modbus Reference
57