
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
125
Modbus communication
A
A.1
Modbus addressing model
The device allows read/write access to one holding register block. All devices are mapped to
this Modbus address space.
A.2
Modbus communication
Table A- 1
General Modbus settings
Modbus
register
Data type /
Size in
bytes
Parameter
Description
Default
value
[units]
(units
register)
Value range /
Setting options
Access
level
8291
Unsigned /
2
Restart com-
munication
Restarts the communication using
configured slave address, baud rate
and parity/framing.
-
•
0: Cancel
•
1: Restart
Write only
8005
Unsigned /
2
Slave address
(HW)
DIP switch setting on the transmitter
cassette. Address is used if DIP
switch is set to a value > 0.
-
-
Read only
8297
Unsigned /
2
Slave address
(SW)
Software address of Modbus inter-
face. Address is used if switch is set
to 0.
1
1 - 147
Read /
write
Содержание SITRANS F Series
Страница 2: ......
Страница 360: ...Index SITRANS F Ultrasonic flowmeters FST030 Modbus 358 Operating Instructions 08 2017 A5E37367739 AC ...
Страница 361: ......