Siemens SITRANS FST030 - Page 236

Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
9135 Unsigned / 2 Polarity Logical polarity of dis‐
crete input signal.
0
● 0: Active high level
● 1: Active low level
Read /
write
9139 Unsigned / 2 Debounce time Debounce time to filter
the input signal.
0
● 0: 0 ms
● 1: 0.5 ms
● 2: 1 ms
● 3: 1.5 ms
● 4: 2 ms
● 5: 2.5 ms
● 6: 3 ms
● 7: 3.5 ms
● 8: 4 ms
● 9: 4.5 ms
● 10: 5 ms
● 11: 5.5 ms
● 12: 6 ms
● 13: 6.5 ms
● 14: 7 ms
● 15: 7.5 ms
Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
236 Operating Instructions, 08/2018, A5E37367739-AD