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ProSoft Technology 5204-DFNT-PDPMV1 User Manual

Page 89

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PDPMV1 ♦ ProLinx Gateway

Mailbox Messaging

PROFIBUS DPV1 Master

Protocol Manual

ProSoft Technology, Inc.

Page 89 of 157

March 23, 2011

Total Input Length, Total Output Length: The sum of Input/Output lengths for
all slaves in the database (in bytes).
Init Input size, Init Output size: Required initialization Input/Output sizes for the
current database. If the slaves are located in a contiguous block these sizes are
the same as total Input/Output lengths.

Note: The input/output direction refers to the directions and naming used for the DPRAM areas,
not to the input/output directions used in the bus database or the The Bus Configuration window-
PB.


Database Description: String of ASCII characters that describes the data base
file. This is the string that was written to the database by the
"FB_APPL_END_DATABASE_DOWNLOAD" command.
No. of Slaves: Number of configured slaves in the database.

Fault Information
If "Invalid Other" is returned in the Acyclic Message Status Word in the header of
the response, information about the fault can be found here. Refer to Return
Codes (page 100) for more information.
0001h: No database in flash, or download in progress.

3.2.6 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.

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