Prosoft-technology MVI69-PDPMV1 Manuale Utente Scaricare il pdf (Pagina 85)

MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform Mailbox Messaging

PROFIBUS DPV1 Master User Manual

ProSoft Technology, Inc. Page 85 of 225

July 8, 2011

4.4 Special Function Mailbox Messaging Commands

The MVI69-PDPMV1 module supports some extended PROFIBUS functions,

using a mailbox data exchange mechanism implemented in the module.

The MVI69-PDPMV1 module supports the following special functions through

this mailbox messaging scheme:

Initiated from Processor

Message Description

Set Operation Mode Controls the operating state of the PROFIBUS Master

Set Slave Mode

Sends special control command to one or several slaves

(Sync/Freeze)

Get Slave Diag Gets diagnostic information from a slave

Get Slave Config Gets slave configuration

Set Slave Address Sets node address of a slave (if supported by the slave)

Get Live List Gets information from all nodes on the network

Start Slave Starts slaves dynamically

Stop Slave Stops slaves dynamically

Class 1 MSAC1 Read DPV1 acyclic read

Class 1 MSAC1 Write DPV1 acyclic write

Class 2 MSAC2 Connection Initiate Establishes a DPV1 Class 2 connection to a slave

Class 2 MSAC2 Connection Abort Terminates a DPV1 Class 2 connection to a slave

Class 2 MSAC2 Read

Issues a Class 2 acyclic read request to a slave, once a

connection has been established

Class 2 MSAC2 Write

Issues a Class 2 acyclic write request to a slave, once a

connection has been established

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Prosoft-technology MVI69-PDPMV1 Manuale Utente Pagina 85