Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
4020 String / 10 Sensor firm‐
ware version
Sensor firmware ver‐
sion.
- - Read
only
4135 String / 10 Sensor hard‐
ware version
Sensor hardware ver‐
sion.
- - Read
only
4140 Unsigned / 2 Frontend variant Frontend variant. -
● 0: Remote
● 1: Compact
● 2: Integrated
Read
only
4145 String / 32 Frontend PCBA
serial number
Frontend PCBA serial
number.
- - Read
only
A.9.6 Diagnostic events
A.9.6.1 Active events
Active events
Table A-89 Active events
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
6200 Unsigned / 4 Active alarm
items 1
Bitwise indication of ac‐
tive alarms in alarm
items 1. See Alarm
items (Page 293).
- - Read
only
6202 Unsigned / 4 Active alarm
items 2
Bitwise indication of ac‐
tive alarms in alarm
items 2. See Alarm
items (Page 293).
- - Read
only
6206 Unsigned / 4 Active alarm
items 4
Bitwise indication of ac‐
tive alarms in alarm
items 4. See Alarm
items (Page 293).
- - Read
only
6208 Unsigned / 4 Active alarm
items 5
Bitwise indication of ac‐
tive alarms in alarm
items 5. See Alarm
items (Page 293).
- - Read
only
6210 Unsigned / 4 Active alarm
items 6
Bitwise indication of ac‐
tive alarms in alarm
items 6. See Alarm
items (Page 293).
- - Read
only
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 287