FCI ST100A Series, Installation, Operation And Maintenance Manual

Page: 69 / 170

ST100A Series Flow Meter OPERATION
Fluid Components International LLC 61
Command 9: Read Device Variables with Status
1
Byte Format Description
Request Data Bytes 0 Unsigned-8 Slot 0: Device Variable Code
1 Unsigned-8 Slot 1: Device Variable Code
2 Unsigned-8 Slot 2: Device Variable Code
3 Unsigned-8 Slot 3: Device Variable Code
4 Unsigned-8 Slot 4: Device Variable Code
5 Unsigned-8 Slot 5: Device Variable Code
6 Unsigned-8 Slot 6: Device Variable Code
7 Unsigned-8 Slot 7: Device Variable Code
Response Data Bytes 0 Bits Extended Field Device Status
1 Unsigned-8 Slot 0: Device Variable Code
2 Enum Slot 0: Device Variable Classification
3 Enum Slot 0: Units Code
4–7 Float Slot 0: Device Variable Value
8 Bits Slot 0: Device Variable Status
9 Unsigned-8 Slot 1: Device Variable Code
10 Enum Slot 1: Device Variable Classification
11 Enum Slot 1: Units Code
12–15 Float Slot 1: Device Variable Value
16 Bits Slot 1: Device Variable Status
17 Unsigned-8 Slot 2: Device Variable Code
18 Enum Slot 2: Device Variable Classification
19 Enum Slot 2: Units Code
20–23 Float Slot 2: Device Variable Value
24 Bits Slot 2: Device Variable Status
25 Unsigned-8 Slot 3: Device Variable Code
26 Enum Slot 3: Device Variable Classification
27 Enum Slot 3: Units Code
28–31 Float Slot 3: Device Variable Value
32 Bits Slot 3: Device Variable Status
33 Unsigned-8 Slot 4: Device Variable Code
34 Enum Slot 4: Device Variable Classification
35 Enum Slot 4: Units Code
36–39 Float Slot 4: Device Variable Value
40 Bits Slot 4: Device Variable Status
41 Unsigned-8 Slot 5: Device Variable Code
42 Enum Slot 5: Device Variable Classification
43 Enum Slot 5: Units Code
44–47 Float Slot 5: Device Variable Value
48 Bits Slot 5: Device Variable Status
49 Unsigned-8 Slot 6: Device Variable Code
50 Enum Slot 6: Device Variable Classification
51 Enum Slot 6: Units Code
52–55 Float Slot 6: Device Variable Value
56 Bits Slot 6: Device Variable Status
57 Unsigned-8 Slot 7: Device Variable Code
58 Enum Slot 7: Device Variable Classification
59 Enum Slot 7: Units Code
60–63 Float Slot 7: Device Variable Value
64 Bits Slot 7: Device Variable Status
65–68 Time Slot 0: Data Time Stamp
Response Codes See Table 17 , page 74 , for response code list.
Note: 1. Command 9 takes in a variable list of parameters and similarly returns a variable length response.