Prosoft-technology 5204SE-MNET-PDPMV1 Manual do Utilizador descarregar pdf (Página 122)

5204SE-MNET-PDPMV1 ♦ ProLinx Gateway Reference

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

Page 122 of 235 ProSoft Technology, Inc.

December 22, 2009

Variable Name

Size/Type Description

In - Length 1

8-bit Byte

Number of diagnostic bytes returned by the slave and

help in the In-Response Data[ ] variable array

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 Slave Configuration - M340

This acyclic message reads the actual configuration (identifier bytes) of a

specified slave.

Note: The response data size depends on the actual slave implementation. Range 6 to 244.

MNETDPV1_MAILVAR_GetConfig Variables - M340

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

when you want to retrieve configuration information from a specific PROFIBUS

network slave.

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Prosoft-technology 5204SE-MNET-PDPMV1 Manual do Utilizador Página 122