Siemens SITRANS F series Operating Instructions Manual page 216

Modbus communication
A.9 Modbus holding registers tables
Modbus Data type /
register Size in bytes
8899 Unsigned / 2
8842 Unsigned / 4
8844 Unsigned / 4
8848 Unsigned / 4
8850 Unsigned / 4
8856 Unsigned / 4
10056 Unsigned / 4
214
Parameter Description
NAMUR status Bit encoded selection
signals of NAMUR status sig-
nals which impacts the
status output.
Applicable if Status
mode = 0. NAMUR
status is derived from
Alarm class (8858).
Alarm items 1 Bit encoded selection
of alarm items that
impact the output.
Mainly sensor alarms.
See Alarm items
(Page 295). Applicable
if Status mode = 1.
Alarm items 2 Bit encoded selection
of alarm items that
impact the output.
Mainly sensor alarms.
See Alarm items
(Page 295). Applicable
if Status mode = 1.
Alarm items 4 Bit encoded selection
of alarm items that
impact the output. See
Alarm items
(Page 295). Applicable
if Status mode = 1.
Alarm items 5 Bit encoded selection
of alarm items that
impact the output. See
Alarm items
(Page 295). Applicable
if Status mode = 1.
Alarm items 8 Bit encoded selection
of alarm items that
impact the output. See
Alarm items
(Page 295). Applicable
if Status mode = 1.
Alarm items 9 Bit encoded selection
of alarm items that
impact the output. See
Alarm items
(Page 295). Applicable
if Status mode = 1.
Default value Value range /
[units] Setting options
(units regis-
ter)
0
Bit 0: Out of specifi-
•
cation (PA, PW)
Bit 1: Failure (MA)
•
Bit 2: Maintenance
•
required (MR, MD)
Bit 3: Function check
•
(FC)
0
0
0
0
0
0
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write