ProSoft Technology 5204SE-MNET-PDPMV1 - Manual (Page 134)

5204SE-MNET-PDPMV1 ♦ ProLinx Gateway Reference
Modbus TCP/IP to PROFIBUS DP-V1 Pass-Through Master User Manual
Page 134 of 235
ProSoft Technology, Inc.
December 22, 2009
Variable Name Size/Type Description
In - Message
Done 1
Single-bit
Boolean
The DFB will set this bit when the Modbus TCP/IP response
is successfully received.
In - Message Error 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: Write Class 1 Acyclic Data - M340
Some, but not all, PROFIBUS DP-V1 slaves are capable of receiving more data
that can be configured for normal cyclic polling. Acyclic data write messages
allow the PROFIBUS Master to send this additional data to slaves that can
receive it. This acyclic message initiates a PROFIBUS DP-V1 Class 1 Acyclic
Write Request. Refer to PROFIBUS DP-V1 specification EN50170 (DP-V1) for
more information.
MNETDPV1_MAILVAR_AcyclicWrite Variables - M340
This variable structure is the one to use with your control and sequencing logic
when you want to send a PROFIBUS DP-V1 Class 1 Acyclic Write Request.