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FCI ST100A Series - Page 68

FCI ST100A Series
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OPERATION ST100A Series Flow Meter
60 Fluid Components International LLC
Command 2: Read Primary Variable Loop Current and Percent of Range
Byte
Format
Description
Request Data Bytes
None
Response Data Bytes
0–3
Float
Primary Variable Loop Current (mA)
4–7
Float
Primary Variable Percent of Range (%)
Response Codes
See Table 17, page 74, for response code list.
Command 3: Read Dynamic Variable (Flow) and Loop Current
Byte
Format
Description
Request Data Bytes
None
Response Data Bytes
0–3
Float
PV Loop Current: 4-20 mA
4
Enum
PV HART Unit Code, Flow
5–8
Float
PV Flow Value
Response Codes
See Table 17, page 74, for response code list.
Command 6: Write Polling Address
Byte
Format
Description
Request Data Bytes
0
Unsigned-8
Polling Address of Device
1
Enum
Loop Current Mode
Response Data Bytes
0
Unsigned-8
Polling Address of Device
1
Enum
Loop Current Mode
Response Codes
See Table 17 for response code list.
Command 7: Read Loop Configuration
Byte
Format
Description
Request Data Bytes
None
Response Data Bytes
0
Unsigned-8
Polling Address of Device
1
Enum
Loop Current Mode
Response Codes
See Table 17, page 74, for response code list.
Command 8: Read Dynamic Variable Classifications
Byte
Format
Description
Request Data Bytes
None
Response Data Bytes
0
Unsigned-8
Primary Variable Classification
1-3
Unsigned-8
SV, TV and QV not used (Classification 0)
Response Codes
See Table 17, page 74, for response code list.

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