ProSoft Technology MVI56E-DNPNET - Manual (Page 114)

Contents MVI56E-DNPNET ♦ ControlLogix Platform
User Manual DNPNET Ethernet Client/Server Communication Module
Page 114 of 140 ProSoft Technology, Inc.
February 13, 2015
4.3.6 DNPNETSTATUS Object
This object stores all status information of the module including client and server status.
Name Description
GenStat General status information
ErrList List of last 60 DNPNET module errors
IINServerBits IIN Bits received from Servers
ServerCommErrors Server communication errors list
CommandErrors Command errors list
4.3.7 DNPNETUTIL Object
This object contains variables for internal AOI usage and should not be accessed by user
application.
Name Description
LastRead Index of last read block
LastWrite Index of last write block
BlockIndex Computed block offset for data table
ReadData Buffer File for data Read from Module
WriteData Buffer File for data Written to Module
OffsetCounter For calculating buffer copy offset
CopyLength For calculating buffer copy length
LastService For keeping track of last special outgoing block serviced
Mutex Only one special block gets serviced every other scan
OddScan Keep track of every other scan
FirstRun Ensures database counts are correct every time the PLC restarts
DNP_List_Entry_Counts Lengths of the seven DNPNET Client List Data
IED_Database
Configure the Client database sizes
DNP_Server_Database Configured Server database sizes
4.4 MVI56E-DNPNET User Defined Data Types
Several UDTs are defined in the MVI56E-DNPNET Add-On Instruction.
The main UDT, DNPNETMODULEDEF, contains all the data types for the module. It is used
to create the main controller tag structure, DNPNET.