A.9.6.3 Alarm items
Table A-95 Alarm items
Group Bit Alarm ID Restrictions Associated alarm
class
Alarm items 1
(Sensor alarm 1)
0 Sensor startup 0
1 Safety critical user parameters not valida‐
ted
1
2 Safety critical factory parameters not vali‐
dated
2
3 Safety critical factory parameters not vali‐
dated
3
4 Safety critical factory parameters not vali‐
dated
4
5 DSL voltages 5
6 DSL storage malfunction 6
7 Flow measurement 7
8 DSL internal error 8
9 Oil measurement: Density 9
10 Oil measurement: Viscosity 10
11 Oil measurement: Spec. gravity 11
14 Path 1: No signal 14
15 Path 2: No signal 15
16 Path 3: No signal 16
17 Path 4: No signal 17
18 Path 5: No signal 18
19 Electronics temperature 19
20 Totalizer above alarm limit 20
21 Totalizer above warning limit 21
22 Density calculation failure 22
23 Medium temperature calculation failure 23
24 Pressure calculation failure 24
25 Viscosity calculation failure 25
26 Sensor temperature compensation failure 26
27 Scraper pig detected 27
28 Configuration error 1 28
29 Aeration detected 29
30 Turbulence detected 30
31 Sensor temperature out of specification 31
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 293