Read/write image data – Eaton Electrical PROFIBUS-DP EZ204-DP User Manual

Page 121

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Read/write image data

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MN05013001E

117

Attention!

The function blocks and DW markers (32-bit values) of

EZ800/EZD operate with signed values.

Applies to
MD, MW,
MB, M

Left = Most
significant bit, byte,
word

Right = Least
significant bit, byte,
word

32 bit

MD1

16 bit

MW2

MW1

8 bit

MB4

MB3

MB2

MB1

1 bit

M32 to M25

M24 to M17

M16 to M9

M8 to M1

32 bit

MD2

16 bit

MW4

MW3

8 bit

MB8

MB7

MB6

MB5

1 bit

M64 to M57

M56 to M49

M48 to M41

M40 to M33

J

The relevant marker values are transferred in Intel format.

In other words, the first byte is the low byte (Byte 5) and the

last byte the high byte.

The latest editions of these manuals are available as PDF files

from the Internet at:

www.EatonElectrical.com.

EZ800 manual

search term: MN05013004E. EZD manual search term:

MN05013005E.

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