Siemens SITRANS F Operating Instructions Manual page 166

Modbus communication
A.9 Modbus holding register tables
Modbus Data type /
register Size in bytes
6244 Unsigned / 4
7032 Unsigned / 4
6247 Unsigned / 2
6249 Unsigned / 2
166
Parameter Description
Alarm items 8 Bitwise enabling of
alarms in alarm items 8.
Set bit means alarm
item simulation activa‐
ted. See Alarm items
(Page 146).
Alarm items 9 Bitwise enabling of
alarms in alarm items
9.Set bit means alarm
item simulation activa‐
ted. See Alarm items
(Page 146).
Alarm class Bit encoded selection
of alarm classes.
Applicable if simulation
mode = 2. Set bit
means alarm class sim‐
ulation activated:
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 re‐
quired (MR)
Bit 5: Function check
(FC)
NAMUR status Bit encoded selection
of NAMUR status sig‐
nals. Applicable if simu‐
lation mode = 2. Set bit
means NAMUR status
signal simulation acti‐
vated:
Bit 0: Out of specifica‐
tion (PA, PW)
Bit 1: Failure (MW)
Bit 2: Maintenance re‐
quired (MR, MD)
Bit 3: Function check
(FC)
Default value Value range /
[unit] Setting options
(unit register)
0 -
0 -
0 0 - 63
0 0 - 15
Operating Instructions, 09/2017, A5E41425845-AB
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
FST020 IP65 NEMA 4X