Slave list, 12 slave list – ProSoft Technology MVI71-DNP User Manual
Page 46

MVI71-DNP ♦ PLC Platform
Installing and Configuring the Module
DNP 3.0 Master/Slave Communication Module
Page 46 of 172
ProSoft Technology, Inc.
August 23, 2007
Port/
Flg
Slave Object
Var
Fun
c
Add
r
Pnt
Cnt
DNP DB
IED
DB
Poll Int
Word
0
1
2
3
4
5
6
7
8
9
Value
6
15
12
1
5
100
10
200
0
120
2.2.12 Slave List
The slave list defines the IED units and their specific communication parameters
for a DNP master port. Up to 40 IED units can be defined in the module to be
associated with the master port. The structure of each row in the list is defined in
the following table:
Column
Variable Name
Data Range
Description
IF Error
1
DNP Slave
Address
0 to 65534
This is the slave address for the
unit to override the default values.
Ignore
2
Data Link Confirm
Mode
Coded Value
(0=Never,
1=Sometimes
, 2=Always)
This value specifies if data link
frames sent to the remote device
require a data link confirm. This
value should always be set to zero
for almost all applications.
0
3
Data Link Confirm
Time-out
1 to 65535
milliseconds
This parameter specifies the time
to wait for a data link confirm from
the remote device before a retry is
attempted.
300
4
Maximum Retries
for Data Link
Confirm
0 to 255
retries
Maximum number of retries at the
Data Link level to obtain a
confirmation. If this value is set to
0, retries are disabled at the data
link level of the protocol. This
parameter is only used if the
frame is sent with confirmation
requested.
3
5
Application Layer
Response Time-
out
1 to 65535
milliseconds
Time-out period the master will
wait for each response message
fragment. If data link confirms are
enabled, make sure the time-out
period is set long enough to
permit all data confirm retries.
5000