Group Bit Alarm ID Restrictions Associated alarm
class
Alarm items 5
(Process alarms 2,
totalizer alarms)
-3 Reserved
4 Standard volume flow above alarm limit 132 Only hydrocarbon
and gas applications
PA
5 Standard volume flow above warning limit 133 PW
6 Standard volume flow below warning limit 134 PW
7 Standard volume flow below alarm limit 135 PA
8 Totalizer 1 above alarm limit 136 PA
9 Totalizer 1 above warning limit 137 PW
10 Totalizer 1 below warning limit 138 PW
11 Totalizer 1 below alarm limit 139 PA
12 Totalizer 2 above alarm limit 140 PA
13 Totalizer 2 above warning limit 141 PW
14 Totalizer 2 below warning limit 142 PW
15 Totalizer 2 below alarm limit 143 PA
16 Totalizer 3 above alarm limit 144 PA
17 Totalizer 3 above warning limit 145 PW
18 Totalizer 3 below warning limit 146 PW
19 Totalizer 3 below alarm limit 147 PA
20 Transmitter temperature above alarm limit 148 See Table A-93 As‐
sign alarm class
(Page 291)
21 Transmitter temperature below alarm limit 149 See Table A-93 As‐
sign alarm class
(Page 291)
22 Sensor signal disrupted 150 MA
23 SensorFlash backup disabled 151 FC
24 SensorFlash backup disabled 152 FC
25 Reserved 153
26 Reserved 154
27 Reserved 155
28 Safety validation state 156 FC
29 Functional Safety 157 MA
30 Loop current cable break 158 MA
31 Internal error in transmitter 159 MA
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 295