Fluid Components Intl ST51A, Installation, Operation & Maintenance Instruction Manual

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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.