User Manual

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IM MW100-S16E-1

Ed01

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

Binary Input / Output

1 bit (Packed Bit)

Variation

2 1 byte (Most significant bit shows the value)

Analog Input

Variation

1 Int 32

Flag

2 Int 16

3 Int 32

Int 16

Flag5 Float 32

Flag

Analog Output Variation

1 Int 32

Flag

2 Int 16

Flag3 Float 32

Flag6 Float 64

Flag4 Float 64

Static Data