Siemens 3AD8 Manuale di istruzioni - Pagina 4
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Introduction
Introduction
The purpose of the remote control unit
(RCU) is to provide remote SCADA system
access to monitor and control Siemens
Fusesavers installed on power lines. The
RCU maintains an internal database, which
holds information on the Fusesaver line
being monitored and on the RCU itself. It is
this data that is available to the SCADA
system. The internal database is detailed in
this manual, refer to RCU internal database
and controls section beginning on page 15.
It is usual for a utility to retrieve only a
subset of the data available in the database;
this is called point mapping.
The SCADA system accesses the RCU internal
database with a SCADA protocol and a long-
range radio or modem. Different SCADA
protocols have different capabilities and
methodologies. This manual deals with the
DNP3 protocol over the RCU serial data
connection.
The RCU implements the slave DNP3
protocol using industry standard libraries
provided by Triangle Microworks, Inc.
A subset level of the DNP3 protocol is
supported, which is defined in the DNP3
profile document RCU_DNP3_Profile_Rxx.
xml and is provided separately to this
manual. The profile is a formatted
document determined by the DNP3
committee.
This manual provides additional information
so the user can fully understand the
implementation of the DNP3 protocol on
this equipment, how the RCU internal
database is mapped into the serial DNP3
protocol, and the configuration options
available to the user.
The manual also deals with the settings for
the radio power supply and radio serial data
interface. The target reader of this manual is
already familiar with DNP3 and the user's
SCADA system.
Format and aim of the operating
instructions
These operating instructions apply for the
Siemens RCU.
The purpose of this instruction manual is to
assist the user in configuring the DNP3
protocol to work with the user's SCADA
system.
In written or verbal communications, please
provide the complete description from the
operating instructions, quote the serial
number, and use only the designations and
key numbers for sub-parts used in these
locations.
Contact the nearest Siemens representative
if any additional information is desired.
Safety instructions
The RCU, together with the accessories and
special tools also supplied, is in conformity
with the statutory laws, rules, and standards
applicable at the time of delivery, especially
those regulations concerning health and
safety.
Signal words
The signal words "danger," "warning" and
"caution" used in this manual indicate the
degree of hazard that may be encountered
by the user. These words are defined as:
Danger - Indicates an imminently hazardous
situation that, if not avoided, will result in
death or serious injury.
Warning - Indicates a potentially hazardous
situation that, if not avoided, could result in
death or serious injury.
Caution - Indicates a potentially hazardous
situation that, if not avoided, may result in
minor or moderate injury.
Notice - Indicates a potentially hazardous
situation that, if not avoided, may result in
property damage.