9.43
Date Code 20120126
Instruction Manual
SEL-2032 Communications Processor
Protocols
Distributed Network Protocol 3.0 (DNP3) LAN/WAN
It is very important to note that the operation of this system depends on
settings in the SEL-2032 as well as SER settings in the connected devices. It
is, therefore, very important that you coordinate communications processor
settings and relay settings carefully and ensure that when changes are made to
the relay, that appropriate changes are made within the SEL-2032.
Distributed Network Protocol 3.0 (DNP3) LAN/WAN
Overview
The optional SEL-2701 Ethernet Processor with DNP3 allows the SEL-2032
to support the DNP 3.0 Level 2 Slave protocol over an Ethernet connection. It
can be used for data access and for control. For a complete description of this
protocol, refer to the DNP Basic Four Documentation Set and the DNP V3.00
Subset Definition, both of which are available from the DNP User's Group at
www.dnp.org.
For information on DNP3 over a serial connection, see
Network Protocol (Serial DNP3) on page 9.27
.
Configuration
The DNP3 protocol settings that become available for DNP3 on the SEL-2701
Ethernet port are shown in
. The DNP3 protocol settings are for the
port assigned to the SEL-2701: Port 17 or 18. Keep in mind that any settings
for the SEL-2701 DNP3 Ethernet port will not affect any DNP3 serial port
configuration or operation and vice versa.
It may be useful to note a few parameters that are unique to configuring DNP3
over Ethernet:
➤
The ENDNP setting allows the user to enable or disable all
DNP3 sessions on the Ethernet interface.
➤
The DNPMAP setting enables the usage of custom DNP3 maps
to define the data/control maps for the DNP3 sessions. The
DNPMAP setting can have one of two values—AUTO or
CUSTOM.
➤
DECPL indicates an exponential scaling factor, 10
DECPL
, to
multiply by the raw value to calculate engineering units. Thus
the default value of DECPL, 0, will still result in the raw value
being multiplied by 1 (10
0
).
Up to 10 sets of unique master station parameters can be configured for
implementation when the SEL-2032 communicates with a specified DNP3
host. These parameters include: DNPIP
xx
, DNPTR
xx
, DNPUP
xx
, UNSL
xx
,
PUNSL
xx
, DNPMP
xx
, and DNPCL
xx
, where
xx
is a master station number
from 01–10. These allow you to specify, for all communication sessions with
a particular master, whether or not to:
➤
enable or disable unsolicited reporting at power up,
➤
enable or disable unsolicited reporting for normal operation,
➤
indicate which custom DNP3 map is associated with it, and
➤
enable or disable controls.
Note that although 10 masters are supported by the SEL-2701, only five
unique configuration files are available. These mapping files follow the
naming convention SET_DNP
xyy
.TXT, where
x
indicates the DNP3 map from
1 to 5, and
yy
indicates the port number of the installed SEL-2701. These files
reside in the SEL-2701 settings subdirectory and are associated with the
Summary of Contents for SEL-2032
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