ProSoft Technology MVI69-PDPMV1 User Manual

Page 111

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MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform

Mailbox Messaging

PROFIBUS DPV1 Master

User Manual

ProSoft Technology, Inc.

Page 111 of 225

July 8, 2011

Command and Response Layout: Initial Class 2 Connection (Normal Mode)

Command

Response

Message ID

(ID)

(ID)

Message information

4002h

0002h

Command

0025h

0025h FB_APPL_MSAC2_INITIATE

Data size

0000h

(12 + S_Length +

D_Length)

Number of data bytes (n)

Frame count

0001h

0001h

Frame number

0001h

0001h

Offset high

0000h

0000h

Offset low

0000h

0000h

Extended word 1

C_REF C_REF

Extended word 2 Slave Addr.

-

Slave Addr.

Max. Data

Length

Extended word 3

-

Min. Slave Send Timeout

Extended word 4

-

-

Extended word 5

-

Error

Decode

Extended word 6

-

Error Code 1 Error Code 2

Extended word 7

-

Extended Fault information

Extended word 8

-

Fault Information

Send Timeout

Message Data word 1

Features

Supported

1

Features

Supported 2

Message Data word 2

Profile

Features

Supported

1

Profile

Features

Supported 2

Message Data word 3

Profile Ident Number

Message Data word 3

S_Type

S_Length Message Data word 3

D_Type

D_Length Message Data word 3

S_Address ...

D_Address

Message Data word (n/2)

Message Information

C_REF
Connection reference number used to identify the connection for use later on.
Range: 1 to 128

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