ProSoft Technology MVI69-PDPMV1 - Manual (Page 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