Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 216 / 362

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