Fluid Components Intl ST51A - Page 52

OPERATION ST51A/ST75A/ST75AV Mass Flow Meters
44 Fluid Components International LLC
Command 15: Read Device Information
Byte
Format
Description
Request Data Bytes
None
Response Data Bytes
0
Enum
Flow Alarm Selection Code
1
Enum
Flow Transfer Function Code (not supported)
2
Enum
Flow Upper and Lower Range Value Units Code
3–6
Float
Flow Upper Range Value
7–10
Float
Flow Lower Range Value
11–14
Float
Flow Damping Value
1
15
Enum
Write Protect Code (not supported)
16
Enum
Reserved
17
Bits
Flow Analog Channel Flags (not supported)
Response Codes:
See Table 16, page 53, for response code list.
Note: 1. Refer to HART Damping Value on page 32 for details on flow damping within HART. The damping value can
only be adjusted using the serial interface “V” command or the CLI “DV” command.
Command 16: Read Final Assembly Number
Byte
Format
Description
Request Data Bytes
None
Response Data Bytes
0–2
Unsigned-24
Final Assembly No.
Response Codes:
See Table 16, page 53, for response code list.
Command 17: Write Message Into Device
Byte
Format
Description
Request Data Bytes
0–23
Packed
Message String Used by Master
Response Data Bytes
1
0–23
Packed
Message String
Response Codes:
See Table 16, page 53, for response code list.
Note: 1. The value returned in the response data bytes reflects the value actually used by the field device.
Command 18: Write Tag, Descriptor, Date
Byte
Format
Description
Request Data Bytes
0–5
Packed
Tag
6–17
Packed
Descriptor Used by Master
18–20
Date
Date Code Used by Master
Response Data Bytes
1
0–5
Packed
Tag
6–17
Packed
Descriptor
18–20
Date
Date Code: Day, Month, Year
Response Codes:
See Table 16, page 53, for response code list.
Note: 1. The value returned in the response data bytes reflects the value actually used by the field device.
Command 19: Write Final Assembly Number
Byte
Format
Description
Request Data Bytes
0–2
Unsigned-24
Final Assembly No.
Response Data Bytes
1
0–2
Unsigned-24
Final Assembly No.
Response Codes:
See Table 16, page 53, for response code list.
Note: 1. The value returned in the response data bytes reflects the value actually used by the field device.
Command 20: Read Long Tag
Byte
Format
Description
Request Data Bytes
None
Response Data Bytes
0–31
Latin-1
Long Tag
Response Codes:
See Table 16, page 53, for response code list.