Siemens SITRANS F Series, Operating Instructions Manual, Page: 332 / 362

Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
330
Operating Instructions, 08/2017, A5E37367739-AC
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
2740 Float / 4 Sound velocity Sound velocity simula-
tion value
1500.0
[m/s]
(7648)
200.0 - 3000.0 Read /
write
2742 Float / 4 Flow velocity Flow velocity simula-
tion value
0.0
[m/s]
(8014)
-40.0 - 40.0 Read /
write
2752 Unsigned / 2 Liquid identifier Liquid identifier simula-
tion value
0 - Read /
write
A.9.10.3 Alarms
Simulate alarms
Table A- 135 Simulate alarms
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
6229 Unsigned / 2 Simulation
mode
Defines mode of alarm
simulation.
0
• 0: Off
•
1: Simulate alarm
item
• 2: Simulate alarm
class
Read /
write
6230 Unsigned / 4 Alarm items 1 Bitwise enabling of
alarms in alarm items
1.
Set bit means alarm
item simulation activat-
ed. See Alarm items
(Page 295).
0 - Read /
write
6232 Unsigned / 4 Alarm items 2 Bitwise enabling of
alarms in alarm items
2.
Set bit means alarm
item simulation activat-
ed. See Alarm items
(Page 295).
0 - Read /
write
6236 Unsigned / 4 Alarm items 4 Bitwise enabling of
alarms in alarm items
4.
Set bit means alarm
item simulation activat-
ed. See Alarm items
(Page 295).
0 - Read /
write