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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
186
Operating Instructions, 08/2017, A5E37367739-AC
Kinematic viscosity settings
Table A- 37 Kinematic viscosity settings
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
7682
Float / 4
Upper alarm
limit
Exceeding this limit
causes an alarm.
Max. floating
point value
[cSt]
(7524)
-
Read /
write
7684
Float / 4
Upper warning
limit
Exceeding this limit
causes a warning.
Max. floating
point value
[cSt]
(7524)
-
Read /
write
7686
Float / 4
Lower warning
limit
Falling below this limit
causes a warning.
Min. floating
point value
[cSt]
(7524)
-
Read /
write
7688
Float / 4
Lower alarm
limit
Falling below this limit
causes an alarm.
Min. floating
point value
[cSt]
(7524)
-
Read /
write
7690
Float / 4
Hysteresis
Hysteresis that affects
the alarm and warning
limits.
0.0
[cSt]
(7524)
-
Read /
write
Standard viscosity settings
Table A- 38 Standard viscosity settings (only hydrocarbon applications)
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
11500
Float / 4
Upper alarm
limit
Exceeding this limit
causes an alarm.
Max. floating
point value
[cSt]
(7524)
-
Read /
write
11502
Float / 4
Upper warning
limit
Exceeding this limit
causes a warning.
Max. floating
point value
[cSt]
(7524)
-
Read /
write
11504
Float / 4
Lower warning
limit
Falling below this limit
causes a warning.
Min. floating
point val-
ue[cSt]
(7524)
-
Read /
write
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