Communication
User Manual
6.3
Acyclic Messaging
PROFIBUS DP acyclic services are supported by the Studio 5000 programming tool by
means of CIP messages using the "MSG" instruction. The ILX69-PBM sample ladder
and AOI include multiple PROFIBUS acyclic services such as read/write and slave
diagnostic request.
6.3.1 Supported PROFIBUS DP Messages
Below are the PROFIBUS DP message functions supported by the ILX69-PBM.
Service
ILX69PBM_MSGDPV1Alarm
ILX69PBM_MSGDPV1Read
ILX69PBM_MSGDPV1Write
ILX69PBM_MSGSlaveControl
ILX69PBM_MSGSlaveDiagRequest 66
6.3.2 Standard Messaging
This section contains the description of each Standard Message function supported by
the ILX69-PBM. The CIP MSG setup of this request is as follows.
Parameter
Message Type
Service Type
Service Code
Class
Instance
Attribute
Source Element -
Destination
Source Length
Page 78 of 113
Cmd
Code
18
17
17
70
Value
Description
CIP Generic
Common Industrial Protocol (CIP) messaging
Custom
-
64 hex
Service Code "Bridge Message"
65 hex
CIP Object "CIP_MSG_BRIDGE"
An integer identification value assigned to an object instance that
1
identifies it among all instances of the same class.
0
A way of specifying a particular property or value within a CIP Object.
Reference to a Tag of type
ILX69PBM.CONTROL.SlaveDiagnostic.GetSlaveDiag
-
Reference to a Tag of type SlaveDiagnostic.GetSlaveDiag.Response
16
Corresponds to the size of the ILX69PBM_MSGSlaveDiagRequest
structure
ILX69-PBM ♦ CompactLogix™ or MicroLogix™ Platform
PROFIBUS Master Communication Module
Group
Description
DPV1
Provides the means to acknowledge an alarm
indication originating from a slave
DPV1
A read request for a particular data block is sent to a
slave. This service is Slot- and Index-referenced.
DPV1
A write request is transferred to a slave, to write a
particular data block in the slave. This service is
Slot- and Index-referenced.
Standard Sending a command to one or several slaves
Standard Reading the diagnostics information from a slave
ProSoft Technology, Inc.
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