Register
address
Variable
Unit /
value
Bytes
Format
Analysis
values
18
Signal focus
dB
4
float
20
Signal strength
dB
22
Half-value width
%
24
Noise ratio 50
%
26
Noise ratio 85
%
28
Echo amp.
-
30
Var. 1
-
32
Var. 2
-
34
Var. 3
-
36
Dist. max. echo
mm
38
Dist. last echo
mm
40
Distance 0 C
mm
42
Case temperature
°C/F
44
Error code
-
Device info
65533
Device type and con-
figuration
320X
2
unsigned int
65534
Software version
XYYZZ
2
unsigned int
65535
Modbus implementation
version
10100
2
unsigned int
Table 22
Input registers
Read and write holding registers
Holding resisters are mainly used to configure the Modbus adapter communication. Configuration set-
tings are read with function 03 (read holding registers) and written with function 06 (write single
registers).
NOTE
Restart the Modbus adapter after changing the configuration!
1
2
C
o
m
m
u
n
ic
at
io
n
Manual
87