Vaisala HMP7 - Installation

Compensation Setpoints
821 0334
hex
Temperature
compensation setpoint. If
a value is written to this
register, probe uses it
when calculating relative
humidity instead of its
own measurement.
When probe heating is in
use, temperature must be
written to this register to
enable relative humidity
measurement.
32-bit float Unit: °C
Communication
1537 0600
hex
Modbus address 16-bit
integer
1 ... 247
Default: 240
Test Value Registers
Read the known test values from the test registers to verify the functionality of your Modbus
implementation.
Table 4 Modbus Test Registers (Read-Only)
Register Number
(Decimal)
Register Address
(Hexadecimal)
Register
Description
Data Format Test value
7937 1F00
hex
Signed integer
test
16-bit integer -12345
7938 1F01
hex
Floating point
test
32-bit float -123.45
7940 1F03
hex
Text string test text Text string
"-123.45"
22 M211982EN-D