Conversion of channel data – Yokogawa Standalone MW100 User Manual

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IM MW100-S16E-1
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2.7. Conversion of channel data

Data expression at binary and analog objects in DNP protocol is shown in Figure 44.
Basically data of DNP objects is composed with flag and value.

Figure 44. Format of Binary I/O and Analog I/O data (partial)

Flag

Flag

Binary Input / Output

1 bit (Packed Bit)

Variation

1

2

1 byte (Most significant bit shows the value)

Analog Input

Variation

1

Int 32

Flag

2

Int 16

3

Int 32

4

Int 16

Flag

5

Float 32

Flag

Analog Output

Variation

1

Int 32

Flag

2

Int 16

Flag

3

Float 32

Flag

6

Float 64

Flag

4

Float 64

Static Data

Static Data

Static Data