ProSoft Technology MVI46-DNP - Manual (Page 27)

Configuring the Module MVI46-DNP ♦ SLC Platform
Master/Slave Communication Module
ProSoft Technology, Inc. Page 27 of 143
August 23, 2007
Column Variable Name Data Range Description IF Error
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
6 Slave Mode Coded Value
(Bit
0=Enable, Bit
1=Unsol Msg,
Bit 2=Use
DM, Bit
3=Auto Time
Sync) This word contains bits that define
the slave mode. The slave mode
defines the functionality of the
slave device and can be
combined in any combination. The
fields have the following definition:
Enable: determines if this slave
will be used.
Unsol Msg: causes an enabled
unsolicited response message to
be sent to the slave when its
RESTART IIN bit is set. This
parameter is also required for
unsolicited message reporting by
the IED unit.
Use DM: uses delay
measurement.
Auto Time Sync: time
synchronization used when NEED
TIME IIN bit set. 5
2.3.2 Command List
The command list stores the command list used by the DNP master port. This list
only must be defined if the DNP master port is used. Up to 300 commands can
be defined for the master port. The structure of each row in the list is shown in
the following table:
Word Offset Definitions
0 Port/Flags
1 Slave Address
2 Object
3 Variation
4 Function
5 Address in Slave