Siemens SITRANS FST030 - Page 142

Table A-9 Additional process values for hydrocarbon applications
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
7533 Float / 4 Standard vol‐
ume flow
Measured standard vol‐
ume flow rate
-
[Sm³/h]
(7964)
- Read
only
3070 Float / 4 Standardizing
factor
Measured standardiz‐
ing factor
- - Read
only
3054 Float / 4 Standard kiine‐
matic viscosity
Measured standard kin‐
ematic viscosity
-
[m
2
/s]
(7524)
- Read
only
3056 Float / 4 Standard densi‐
ty
Measured standard
density
-
[kg/m
3
]
(7600)
- Read
only
3058 Float / 4 Liquident Measured liquident -
[m/s]
- Read
only
3060 Float / 4 API gravity Measured API gravity -
[°API]
- Read
only
3062 Float / 4 Base API gravi‐
ty
Measured base API
gravity
-
[°API]
- Read
only
3066 Float / 4 Base specific
gravity
Measured base specif‐
ic gravity
-
[SGU]
- Read
only
3068 Float / 4 ROC Rate of change -
[m/s
2
]
(8564)
- Read
only
3150 Unsigned / 2 Liquid identifier Liquid identifier - - Read
only
Table A-10 Additional process values for gas applications
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
3010 Float / 4 Standard vol‐
ume flow
Measured standard vol‐
ume flow rate
-
[Sm³/h]
(7964)
- Read
only
3070 Float / 4 Standardizing
factor
Measured standardiz‐
ing factor
- - Read
only
3056 Float / 4 Base density Measured base density -
[kg/m
3
]
(7600)
- Read
only
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
142 Operating Instructions, 08/2018, A5E37367739-AD