Setup; Sensor; A.9.4 Setup - Siemens SITRANS F series Operating Instructions Manual

A.9.4

Setup

A.9.4.1

Sensor

Sensor settings
Table A- 14 General sensor settings
Modbus Data type /
register Size in bytes
1801 Unsigned / 2
Pipe settings (clamp-on)
Table A- 15 Pipe settings
Modbus Data type /
register Size in bytes
1200 Float / 4
1202 Float / 4
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Parameter Description
Flow direction Define positive and
negative flow direction.
Default positive flow
direction is indicated by
an arrow on the sen-
sor.
Parameter Description
Outer pipe External pipe diameter. 0.1
diameter
Wall thickness Pipe wall thickness.
A.9 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units regis-
ter)
1
0: Negative: The flow
•
is measured '+' in de-
fault negative direc-
tion and '-' in default
positive direction.
1: Positive: The flow
•
is measured '+' in de-
fault positive direction
and '-' in default neg-
ative direction.
Default value Value range /
[units] Setting options
(units regis-
ter)
0.006 - 10.0
[m]
(8556)
0.001 1.0E-6 - 0.5
[m]
(8556)
Modbus communication
Access
level
Read /
write
Access
level
Read /
write
Read /
write
155