Prosoft-technology MVI69-PDPMV1 Instrukcja Użytkownika Pobierz pdf (Strona 179)

MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform Reference

PROFIBUS DPV1 Master User Manual

ProSoft Technology, Inc. Page 179 of 225

July 8, 2011

120 Words Block Format for Mailbox Out Message Request (Output Image)

Word Offset

Start End Name Description

0 0 Block ID Block number 100

1 120 Mailbox Message

Mailbox output message for module (first 120 words

of mailbox message)

Word Offset

Start End Name Description

0 0 Block ID Block number 101

1 24 Mailbox Message

Mailbox output message for module (last 24 words of

mailbox message)

25 120 Reserved Reserved for future use

After the module receives the mailbox request, it immediately sends a input block

with the same Block ID as confirmation that the mailbox request block was

received.

120 Words Block Format for Mailbox Out Message Response (Input Image)

Word Offset

Start End Name Description

0 0 Block ID

Block number 100 or 101 (Same as original

requesting block IDs.)

1 1 Output Index

Index of Output image to receive (1 to 8 for data, 0 or

-1 if no data)

2 2 Mailbox Status Status of out mailbox request

3 121 Reserved Reserved for future use

1 2 ... 174 175 176 177 178 179 180 181 182 183 184 ... 224 225

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Prosoft-technology MVI69-PDPMV1 Instrukcja Użytkownika Strona 179