ProSoft Technology MVI69-PDPMV1 User Manual

Page 87

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MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform

Mailbox Messaging

PROFIBUS DPV1 Master

User Manual

ProSoft Technology, Inc.

Page 87 of 225

July 8, 2011

Mailbox Message Structure: To MVI69 Module

Word Offset

Type

Description

0 Message

ID

Processor logic or user-set. The Message ID field is used
by the MVI69 module to detect a new message in the
PROFIBUS output data image.
When a non-zero value is detected, the message is
processed immediately. The sample ladder logic assigns
specific message IDs to different mailbox messages.

1 Message

Info

See individual commands for data values to be entered in
each of these register locations

2 Command

3 Data

Size

4 Frame

Count

5 Frame

Number

6 Offset

high

7 Offset

Low

8

Extended Word 1

9

Extended Word 2

10

Extended Word 3

11

Extended Word 4

12

Extended Word 5

13

Extended Word 6

14

Extended Word 7

15

Extended Word 8

-

See individual
commands

149

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