MVI56-PDPMV1 ♦ ControlLogix Platform
Configuring the MVI56-PDPMV1 Module
PROFIBUS DPV1 Master
User Manual
Page 99 of 251
ProSoft Technology, Inc.
Set_Param (SAP61)
ProSoft PROFIBUS slave (PDPS) devices have a configurable parameter for
SPC3 User Prm Byte. The following illustration shows the value of this parameter
in
ProSoft Configuration Builder for PROFIBUS
, the configuration tool for ProSoft
PROFIBUS Master devices.
Parameter Data Structure
SPC3 evaluates the first seven data bytes (without user prm data), or the first
eight data bytes (with user prm data). The first seven bytes are specified
according to the standard. The eighth byte is used for SPC3-specific
communications. The additional bytes are available to the application.
Byte
Bit Position
Designation
7
6
5
4
3
2
1
0
0
Lock
Reg
Unio
Req
Sync
Req
Free
Req
WD on Res
Res
Res
Station status
1
WD_Fact_1
2
WD_Fact_2
3
MinTSDR
4
Ident_Number_High
5
Ident_Number_Low
6
Group_Ident
7
Spec_User_Prm_Byte
8 to 243
User_Prm_Data
