Prosoft-technology MVI69-PDPMV1 Instrukcja Użytkownika Pobierz pdf (Strona 100)

Mailbox Messaging MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform

User Manual PROFIBUS DPV1 Master

Page 100 of 225 ProSoft Technology, Inc.

July 8, 2011

4.4.6 Mailbox Message: Get Live List

This command returns 127 bytes of information about the nodes on the network.

Every byte stands for one bus subscriber, and the position of the byte in the

response data assigns the address (0 to 126), the content assigns the Station

Type.

This command can be sent in all operation modes (STOP, CLEAR, and

OPERATE), however the module must be initialized properly.

Parameter Description

Command Initiator Application

Command Name GET LIVE LIST

Command Number 1800h

Fragmented No

Extended Header Data Fault information may be returned in the header of the response.

Command and Response Layout: Get Live List

Command Response

Message ID

(ID)

Message information 4002h

0002h

Command 0018h

0018h Get Live List

Data size 0000h

0007h 127 Bytes of Data

Frame count 0001h

0001h

Frame number 0001h

0001h

Offset high 0000h

0000h

Offset low 0000h

0000h

Extended word 1 -

Extended word 2 -

Extended word 3 -

Extended word 4 -

Extended word 5 -

Extended word 6 -

Extended word 7 -

Return Code

Extended word 8 -

Fault Information

Message Data byte 1

Station Type 0 Response Data Byte 1

Message Data byte 2

Station Type 1 Response Data Byte 1

Message Data byte 3

Station Type 2 Response Data Byte 1

...

... Response Data Byte 1

Message Data byte "n"

Station Type 126 Response Data Byte 1

1 2 ... 95 96 97 98 99 100 101 102 103 104 105 ... 224 225

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