ProSoft Technology PS69-DPS - Manual (Page 87)

PS69-DPS ♦ CompactLogix or MicroLogix Platform Reference
Profibus DP Slave Communication Module User Manual
ProSoft Technology, Inc. Page 87 of 108
May 9, 2014
Supported PROFIBUS-DP Messages
The CompactLogix Slave module supports the following message functions.
Service Cmd Code Group Description
DPS Diagnostic Request 24 This service enables the user to send a single diagnostics
request to a Master.
DPV1 Class 1 Read Response 17 DPV1 With this service, the Slave module can respond to a DPV1
Read Request from the PROFIBUS Master. This service
works by utilizing the Master address, Data size, Slot and
Index indicated within the DPV1 Status Registers.
DPV1 Class 1 Write Response 17 DPV1 With this service, the Slave module can respond to a DPV1
Write Request from the PROFIBUS Master. . This service
works by utilizing the Master address, Data size, Slot and
Index indicated within the DPV1 Status Registers.
DPV1 Class 1 Alarm Request 18 DPV1 This service is used to send a DPV1 Alarm Request
message to a PROFIBUS Master.
Note: The sample project includes an example for each of these services.
Standard Messaging
The sections below contain the descriptions of the Standard Message supported
by the PROFIBUS Slave module.
DPS Diagnostic Request
The Diagnostic Request command can be used by the controller user application
to generate a single diagnostic request to a Master. The MSG instruction
Request/Confirmation format is as follows.