2 write, Write, External device setup manual – IDEC High Performance Series User Manual

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8 DM Link 1:N Communication Format

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External Device Setup Manual

8.2

Write

This command is used by the external device to write data to the MICRO/I or Touch data memory.

One command can write a maximum of 255 words of data.

8.2.1

Command

Format

Detailed description

Command

Code

Description

Bytes

ENQ

05h

Command Start

1

Station Number

DM Link Station Number expressed in ASCII.

2

W

57h

Write Command

1

DM Address

DM address to start writing from

This is expressed as the ASCII code of the hexadecimal value of the
address.

4

Words

Number of words to write

The hexadecimal value expressed using ASCII code.

2

Data

DM Address Data

The hexadecimal value expressed using ASCII code.

The words are in order from the lowest address.

4 x N

N is the number of
words

BCC

Only added when 'with BCC' is set.

Exclusive OR (HEX) from ENQ to before BCC converted to ASCII code.

2

CR

0Dh

End

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