Siemens SITRANS FST030 - Page 169

Sensor spacing
Table A-20 Sensor spacing settings
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
1426 Unsigned / 2 Recommended
space method
Recommended spac‐
ing method between
clamp-on sensors for
path X. Calculated on
request.
-
● 0: None (default)
● 1: Track 1012TN
● 2: Track 1012TNH
● 3: Track 992
● 4: Spacer bar 1012BN
● 5: Manual
● 6: Spacing Error
Read
only
1420 Unsigned / 2 Clamp-on rec‐
ommended
spacing path X
The path the current
recommended spacing
values were calculated
for. 0 means not calcu‐
lated since power up.
0 0 - 255 Read
only
1421 Float / 4 Clamp-on rec‐
ommended
spacing ideal
Recommended ideal
spacing distance (LTN)
between clamp-on sen‐
sors for path X. Calcu‐
lated on request.
0.0
[m]
(8556)
- Read
only
1423 Float / 4 Recommended
spacing
Recommended spac‐
ing distance (LTN cor‐
responding to recom‐
mended spacing index)
between clamp-on sen‐
sors for path X. Calcu‐
lated on request.
0.0
[m]
(8556)
- Read
only
1425 Unsigned / 2 Recommended
spacing (index)
Recommended spac‐
ing index between
clamp-on sensors for
path X for the given
spacing method. Calcu‐
lated on request.
0 0 to 255 Read
only
1442 Unsigned / 2 Calculate spac‐
ing
Command to calculate
recommended spacing
distance, recommen‐
ded spacing method
and recommended
spacing index for a giv‐
en path.
0
● 0: Calculation done /
not running
● 1: Perform
calculation on path 1
● 2: Perform
calculation on path 2
● 3:.Perform
calculation on Path 3
● 4: Perform
calculation on path 4
● 5: Perform
calculation on path 5
Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 169