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ProSoft Technology 5204SE-MNET-PDPMV1 User Manual

Page 122

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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.