ProSoft Technology PS69-DPM - Manual (Page 82)

Contents PS69-DPM ♦ CompactLogix or MicroLogix Platform
User Manual PROFIBUS DPV1 Master
Page 82 of 130 ProSoft Technology, Inc.
October 1, 2014
CIP Messaging Parameters for DDLM_SET_Parameter
Parameter Value Remarks
Message Type CIP Generic
Service Type Custom
Service Code 0x64 Service Code "Bridge Message"
Class 0x65 CIP Object "CIP_MSG_BRIDGE"
Instance 1
Attribute 0
Source Element SetPrmReq Reference to a Tag of type
DDLM_SET_PARAMETER_REQUEST
Destination SetPrmCnf Reference to a Tag of type
DDLM_SET_PARAMETER_CONFIRM
Source Length 9 + x
( x = 0 .. 233 ) 9 = Constant part of the
DDLM_SET_PARAMETER_REQUEST service
x = No. of parameters to be written
3.2.4 DPV1 Messaging
This sections describes DPV1 messaging functions supported by the PROFIBUS Master
module.
ATTENTION: Do not configure DPV1 services, if your controller does not allow CIP messaging.
MSAC1_Read
The MSAC1_Read request is used by the master to perform a DPV1 read request to a slave
device. The MSG instruction Request/Confirmation format is as follows.
MSAC1_READ_REQUEST
Parameter Data Type Value Description
Reserved1 INT 0 Reserved
Reserved2 INT 0 Reserved
Reserved3 INT 0 Reserved
Command SINT 17 Command for the MSAC1_Read and MSAC1_Write service
Reserved4 SINT 0 Reserved
DeviceAdr SINT 0.. 125 Address of the PROFIBUS Slave
DataArea SINT 0 Reserved
DataAdr INT 0.. 254 Slot Number
DataIdx SINT 0.. 254 Index
DataCnt SINT 1.. 240 Length of the data block to be read
DataType SINT 0 Reserved
Function SINT 1 MSAC1_Read