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Modbus
register
Data type /
Size in bytes
Parameter
Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
8468
Float / 4
Custom volume
flow units factor
Conversion
factor for
user specif‐
ic volume
flow values
related to
m
3
/s.
1.0
-
Read /
write
7518
String / 8
Custom stand‐
ard volume flow
units string
User specif‐
ic string for
standard
volume
flow values.
--------
-
Read /
write
7516
Float / 4
Custom stand‐
ard volume flow
units factor
Conversion
factor for
user specif‐
ic standard
volume
flow values
related to
Sm
3
/s.
1.0
-
Read /
write
8458
String / 8
Custom mass
flow units string
User specif‐
ic string for
mass flow
values.
--------
-
Read /
write
8456
Float / 4
Custom mass
flow units factor
Conversion
factor for
user specif‐
ic mass
flow values
related to
kg/s.
1.0
-
Read /
write
8464
String / 8
Custom density
units string
User specif‐
ic string for
density val‐
ues.
--------
-
Read /
write
8462
Float / 4
Custom density
units factor
Conversion
factor for
user specif‐
ic density
values rela‐
ted to kg/
m
3
.
1.0
-
Read /
write
8494
String / 8
Custom velocity
units string
User specif‐
ic string for
velocity val‐
ues.
--------
-
Read /
write
MODBUS commands
4.10 Modbus holding registers tables
FCT030 Modbus (From firmware 4.0)
56
Function Manual, 06/2018, A5E39931813-AB