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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
281
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
8081
Unsigned / 2 Trend log time
window
Scaling of the time
axis. Effective when
Trend scale mode
(8080) is set to 1.
1
•
0: 1 min
•
1: 5 min
•
2: 15 min
•
3: 30 min
•
4: 1 h
•
5: 2 h
•
6: 3 h
Read /
write
8082
Float / 4
Trend scale
lower limit
Scaling of the y-axis.
Lower limit. Effective
when Trend scale
mode (8080) is set to
1.
0.0
-
Read /
write
8084
Float / 4
Trend scale
upper limit
Scaling of the y-axis.
Upper limit. Effective
when Trend scale
mode (8080) is set to
1.
0.0
-
Read /
write
Содержание SITRANS F Series
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