Quatech INTERBUS S manual Structure of the in- and output data for LIGHTBUS from firmware WD

Structure of the in- and output data for LIGHTBUS (from firmware WD)

Input

Word

n

n+1

n+2

n+3

Content

High

-

Input byte0

-

Input byte3

Low

Statusbyte

Input byte1

Input byte4

Input byte2

Description

Statusword

1.and 2. Input byte 5.Input byte

3.and 4. Input byte

Output

Word

n

n+1

n+2

n+3

Content

High

-

Output byte0

-

Output byte3

Low

Statusbyte

Output byte1

Output byte4

Output byte2

Description

Statusword

1.and 2. Output byte 5.Output byte

3.and 4. Output byte

Attention:

The control byte allows the changing of the registers of the module. It must always be 0 in order to avoid a change in the register. A wrong mapping can change the function of the module!

Data￿￿￿￿￿￿￿￿exchange module 750-654 5

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