Vaisala HMP110REF

User's Guide _______________________________________________________________________
76 ___________________________________________________________________ M211060EN-H
Modbus Register Map
Table 18 Modbus Register Map (Measurement Values and Settings)
Logical
Address
(decimal)
PDU Address
(hexadecimal)
Register Description
Data Format
Register
Type
Notes
1
00 00
RH
(measured) *
LSW
MSW
32-bit float
read-only
%
2
00 01
3
00 02
T
(measured)
LSW
MSW
32-bit float
read-only
°C
4
00 03
9
00 08
T
d
(measured) *
LSW
MSW
32-bit float
read-only
°C
10
00 09
513
02 00
Fault status
16-bit
integer
read-only
1 = no errors
516
02 03
Error code
LSW
MSW
32-bit bit
field
read-only
517
02 04
518
02 05
Security hash
LSW
MSW
32-bit
integer
read-only
Security hash
changes on any
change to device
settings or
adjustments
519
02 06
785
03 10
Filtering (set value)
LSW
MSW
32-bit float
read/write
0.001 (maximum
filtering) ... 1.000
(no filtering).
786
03 11
1537
06 00
Address
16-bit
integer
read/write
0…255 (only
1...247
recommended on
Modbus)
1538
06 01
Bit rate (b/s) **
16-bit
integer
read/write
0=300, 1=600,
2=1200, 3=2400,
4=4800, 5=9600,
6=19200,
7=38400,
8=57600
1539
06 02
Parity, data, stop bits **
16-bit
integer
read/write
0=N81, 1=N82,
2=E81, 3=E82,
4=O81, 5=O82,
8=N71, 9=N72,
10=E71, 11=E72,
12=O71, 13=O72
1540
06 03
Response delay
16-bit
integer
read/write
0...1020 ms
1541
06 04
Protocol **
16-bit
integer
read/write
0=Command line
(STOP),
1=Automatic
output (RUN),
2=Polled output
(POLL),
5=Analog
outputs,
6=Modbus RTU
1542
06 05
Restart device
16-bit
integer
write-only
Write 1 to restart
device
* Availability of the register depends on the device model.
** Changed setting will be activated on device restart.