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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
300
Operating Instructions, 08/2017, A5E37367739-AC
Group
Bit Alarm
ID
Restrictions
Associated alarm
class
8
Flow velocity above alarm limit
232
PA
9
Flow velocity above warning limit
233
PW
10 Flow velocity below warning limit
234
PW
11 Flow velocity below alarm limit
235
PA
12 Pressure above alarm limit
236
PA
13 Pressure above warning limit
237
PW
14 Pressure below warning limit
238
PW
15 Pressure below alarm limit
239
PA
16 Concentration above alarm limit
240
PA
17 Concentration above warning limit
241
PW
18 Concentration below warning limit
242
PW
19 Concentration below alarm limit
243
PA
20 Viscosity above alarm limit
244
PA
21 Viscosity above warning limit
245
PW
22 Viscosity below warning limit
246
PW
23 Viscosity below alarm limit
247
PA
24 Rate of change above alarm limit
248 Only hydrocarbon
applications
PA
25 Rate of change above warning limit
249
PW
26 Reserved
250
27 Reserved
251
28 Standard kinematic viscosity above alarm
limit
252 Only hydrocarbon
applications
PA
29 Standard kinematic viscosity above warn-
ing limit
253
PW
30 Standard kinematic viscosity below warn-
ing limit
254
PW
31 Standard kinematic viscosity below alarm
limit
255
PA
Alarm items 9
(Process alarms 4)
0
Standard density above alarm limit
256 Only hydrocarbon
applications
PA
1
Standard density above warning limit
257
PW
2
Standard density below warning limit
258
PW
3
Standard density below alarm limit
259
PA
4
API gravity above alarm limit
260 Only hydrocarbon
applications
PA
5
API gravity above warning limit
261
PW
6
API gravity below warning limit
262
PW
7
API gravity below alarm limit
263
PA
8
Standard API gravity above alarm limit
264 Only hydrocarbon
applications
PA
9
Standard API gravity above warning limit 265
PW
10 Standard API gravity below warning limit 266
PW
11 Standard API gravity below alarm limit
267
PA
12 Specific gravity above alarm limit
268 Only hydrocarbon
applications
PA
13 Specific gravity above warning limit
269
PW