Prosoft-technology 5204SE-MNET-PDPMV1 Manuel d'utilisateur télécharger pdf (Page 130)

5204SE-MNET-PDPMV1 ♦ ProLinx Gateway Reference

Modbus TCP/IP to PROFIBUS DP-V1 Pass-Through Master User Manual

Page 130 of 235 ProSoft Technology, Inc.

December 22, 2009

Variable Name

Size/Type Description

In - ConfigurationData 245-element

8-bit Byte

Array

Additional message data that may be returned by the

slave

In - MessageDone 1

Single-bit

Boolean

The DFB will set this bit when the Modbus TCP/IP

response is successfully received.

In - MessageError 1

Single-bit

Boolean

The DFB will set this bit when the Modbus TCP/IP

response is not successfully received. When this bit is

set, it indicates your control and sequencing logic should

retry the command.

DFB Acyclic Mailbox Message: Get Database Information - M340

This acyclic message fetches information about the stored database (user-

specific data that was downloaded to the gateway in message data bytes 1 to 32

via mailbox "FB_APPL_END_DATABASE_DOWNLOAD" or from the

configuration tool).

This message also returns information about the amount of allocated I/O data

space.

MNETDPV1_MAILVAR_GetDataBase Variables - M340

This variable structure is the one to use with your control and sequencing logic

when you want to send a request to retrieve information about the PROFIBUS

database.

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Prosoft-technology 5204SE-MNET-PDPMV1 Manuel d'utilisateur Page 130