5.2
SEL-DTA2 Instruction Manual
Date Code 20020329
Maintenance and Testing
Introduction
Checkout Procedure
Manual Conventions
In this manual, commands to type appear in bold/uppercase:
VERSION
. Keys
to press appear in bold/uppercase/brackets:
<ENTER>
.
SEL-DTA2 output appears in the following format:
The following information should allow you to complete the checkout
procedure without referring to detailed command descriptions. If you need
additional information,
explanation of all commands.
includes additional
information on port configurations. These instructions assume familiarity with
the target SEL relay; the reader is referred to relay documentation for
information regarding relay operations and configurations.
Step 1. Inspect the instrument for physical damage such as dents or
rattles.
Step 2. Connect a computer to Port 1 on the rear panel of the
SEL-DTA2. Be sure your serial port configuration is
compatible.
provides additional
information on port configurations.
includes information on baud rate selection.
Step 3. With the SEL-DTA2 disconnected from the relay, turn on the
target relay and set the relay Access Level 1 and 2 passwords to
the SEL factory default passwords.
Step 4. Turn the target relay off. Connect the target relay to Port 2 on
the rear panel of the SEL-DTA2. Make sure the relay port baud
rate setting is 2400 bps and the remaining port settings are
compatible with SEL-DTA2 communication. Refer to your
relay instruction manual for details.
Step 5. Turn on the relay and SEL-DTA2 power. The relay enables in
its usual manner, and the terminal displays the following
message:
SEL-DTA Display/Transducer Adapter Date: 1/1/91 Time: 01:01:01
SEL-DTA
=
The SEL-DTA2 display shows:
When the SEL-DTA2 gains access to the relay, it replaces the
previous message with the following:
Failure to access the relay within a couple of minutes indicates
a failure in the communications channel between the relay and
the SEL-DTA2. If the relay/ SEL-DTA2 system did not power-
up properly, see
The “=” prompt preceding the cursor on the computer terminal
program indicates that communications with the SEL-DTA2
DATE: 01/01/90 Time:01:01:32
OFFSET IP = 0 mV
PLEASE WAIT: ACCESSING RELAY
SEL-DTA
RELAY ID STRING
