Siemens SITRANS FST030 - Page 308

Channel 2
Table A-106 Channel 2
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
8803 Float / 4 Current output
value
Output current value if
configured to current
output.
- - Read
only
8828 Unsigned / 2 Error status Error status if config‐
ured to current output.
-
● Bit 0: Overflow
● Bit 1: Underflow
● Bit 2: Fail mode
activated
● Bit 3: Cable break
● Bit 4: Output current
cannot be
established (read
back deviation > 0.1
mA)
Read
only
8840 Unsigned / 2 Status output Status value if config‐
ured to status output.
- 0 - 1 Read
only
8969 Float / 4 Pulse status
output
Amount done if config‐
ured to pulse output.
- - Read
only
8972 Unsigned / 2 Error status Error status if config‐
ured to pulse output.
-
● Bit 0: The pulse
putput has reached
the maximum pulse
output frequency
● Bit 1: Fail mode is
activated
Read
only
8987 Unsigned / 4 Pulse counter Pulse output since
startup.
- - Read
only
8900 Float / 4 Frequency out‐
put value
Frequency value if con‐
figured to frequency
output.
- - Read
only
8903 Unsigned / 2 Error status Error status if config‐
ured to frequency out‐
put.
-
● Bit 0: Overflow
● Bit 1: Underflow
● Bit 2: Fail mode
activated
Read
only
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
308 Operating Instructions, 08/2018, A5E37367739-AD