Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
3280 Float / 4 DSL temp min
value
Warranty pointer for
DSL temperature. Mini‐
mum DSL temperature
encountered during the
device lifetime.
200.0
[°C]
(1001)
-200.0 to +800.0 Read /
write
3282 Float / 4 DSL temp max
value
Warranty pointer for
DSL temperature. Max‐
imum DSL temperature
encountered during the
device lifetime.
-200.0
[°C]
(1001)
-200.0 to +800.0 Read /
write
A.9.7.4 Inputs and outputs
General
Table A-105 General
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
8799 Unsigned / 2 Reset pulse
counter
Command to reset
pulse counters.
0
● 1: Reset all pulse
totalizers and pulse
counts
● 2: Reset pulse
totalizer in channel 2
● 3: Reset pulse
totalizer in channel 3
● 4: Reset pulse
totalizer in channel 4
Write on‐
ly
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 307