Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 315 / 362

Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
313
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
10558 Unsigned / 2 Error status Error status if config-
ured to current input.
-
• Bit 0: Overflow (> 25
mA)
•
Bit 1: Underflow (< 0
mA)
• Bit 2: Measured cur-
rent out of measuring
range
Read
only
9129 Unsigned / 2 Digital input
value
Input value if config-
ured to digital input.
- 0 - 1 Read
only
Channel 4
Table A- 108 Channel 4
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
9303 Float / 4 Current output
value
Output current value if
configured to current
output.
- - Read
only
9328 Unsigned / 2 Error status Error status if config-
ured to current output.
-
•
Bit 0: Overflow
• Bit 1: Underflow
•
Bit 2: Fail mode acti-
vated
• Bit 3: Cable break
•
Bit 4: Output current
cannot be estab-
lished (read back de-
viation > 0.1 mA)
Read
only
9340 Unsigned / 2 Status output Status value if config-
ured to status output.
- 0 - 1 Read
only
9469 Float / 4 Pulse status
output
Amount done if config-
ured to pulse output.
- - Read
only
9472 Unsigned / 2 Error status Error status if config-
ured to pulse output.
-
•
Bit 0: The pulse out-
put has reached the
maximum pulse out-
put frequency
• Bit 1: Fail mode is
activated
Read
only
9487 Unsigned / 4 Pulse counter Pulse output since
startup.
- - Read
only
9400 Float / 4 Frequency
output value
Frequency value if
configured to frequen-
cy output.
- - Read
only