Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 173 / 362

Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
171
Auto offset adjustment
Table A- 27 Auto offset adjustment
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
950 Unsigned / 2 Perform zero
adjust - factory
Command
to start an
automatic
factory zero
offset ad-
justment.
Queued
command.
0
• 0: Automatic factory ZOA done /
not running
•
1: Perform ZOA on path 1
• 2: Perform ZOA on path 2
•
3: Perform ZOA on path 3
• 4: Perform ZOA on path 4
•
5: Perform ZOA on path 5
• 6: Perform ZOA on all installed
paths
•
7: Revert to last good factory
offset values
Read /
write
951 Unsigned / 2 Perform zero
adjust - user
Command
to start an
automatic
user zero
offset ad-
justment.
Queued
command.
0
•
0: Automatic factory ZOA done /
not running
•
1: Perform ZOA on path 1
•
2: Perform ZOA on path 2
•
3: Perform ZOA on path 3
•
4: Perform ZOA on path 4
•
5: Perform ZOA on path 5
•
6: Perform ZOA on all installed
paths
•
7: Revert to last good factory
offset values
Read /
write
952 Unsigned / 2 Zero adjust time The
amount of
time the
zero offset
adjustment
runs (i.e.
amount of
time to
average
samples
over).
30
[s]
5 - 300 Read /
write