WAGO Modular IO System INTERBUS S Manuel de service télécharger pdf (Page 145)

Data exchange module 750-654

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Structure of the in- and output data for Modbus (from firmware V2.3)

The module is a combined special function input and output module with 2 x 16 Bit in-

and output data.

Input

Description

Word High Low

n (Bit0-Bit15) Input byte0 Input byte1

n+1 (Bit16-Bit31) Input byte2 Input byte3

Output

Description

Word High Low

n (Bit0-Bit15) Output byte0 Output byte1

n+1 (Bit16-Bit31) Output byte2 Output byte3

Attention:

For Interbus S the data is written in Motorola format (high Byte first). In connection

with other fieldbus systems the Bytes in the data word are changed.

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 registers. A wrong mapping can change the function of

the module!

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WAGO Modular IO System INTERBUS S Manuel de service Page 145