Siemens SITRANS F series Operating Instructions Manual page 236

Modbus communication
A.9 Modbus holding registers tables
Channel 3 status output settings (relay)
Table A- 57 Channel 3 status output settings
Modbus Data type /
register Size in bytes
9141 Unsigned / 2
9158 Unsigned / 2
9199 Unsigned / 2
9142 Unsigned / 4
9144 Unsigned / 4
234
Parameter Description
Status mode Select the functionality
for the status output.
Alarm class Bit encoded selection
of alarm classes which
impact the status out-
put. Each diagnostic
event is allocated to an
alarm class. See Alarm
items (Page 295).
Applicable if Status
mode = 0.
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 (9158).
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.
Default value Value range /
[units] Setting options
(units regis-
ter)
0
0: Alarm class
•
1: Alarm item
•
0
Bit 0: Process value
•
alarm (PA)
Bit 1: Process value
•
warning (PW)
Bit 2: Maintenance
•
alarm (MA)
Bit 3: Maintenance
•
warning (MW)
Bit 4: Maintenance
•
required (MR)
Bit 5: Function check
•
(FC)
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
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write