Date Code 20081022
Instruction Manual
SEL-787 Relay
Section 6
Settings
Instructi on Manual
Overview
IMPORTANT:
Upon relay initial
power up or Port 1 setting changes or
Logic setting changes, the user may
have to wait up to two minutes before
an additional setting change can
occur. Note that the relay is functional
with protection enabled, as soon as
the
ENABLED LED
comes ON (about 5–10
seconds from power up).
The SEL-787 Transformer Protection Relay stores the settings you enter in
nonvolatile memory. Settings are divided into the following eight setting
classes:
1. Group
2. Logic
3. Global
4. Port
p
(where
p
= F, 1 [Ethernet], 2, 3, or 4)
5. Front Panel
6. Report
7. Modbus
®
8. DNP3
Some setting classes have multiple instances. In the above list, there are five
port setting instances, one for each port. Settings may be viewed or set in
several ways, as shown in
.
Setting entry error messages, together with corrective actions, are also
discussed in this section to assist in correct settings entry.
at the end of this section list all SEL-787
settings, the setting definitions, and input ranges. Refer to
Protection and Logic Functions
for detailed information on individual
elements and settings.
Table 6.1
Methods of Accessing Settings
Serial Port
Commands
a
a
for detailed information on set-up and use of the
serial communications port.
Front Panel HMI
Set/Show Menu
b
b
Section 8: Front-Panel Operations
for detailed information on the front-panel
layout, menus and screens, and operator control pushbuttons.
AC
SEL
ERATOR
®
QuickSet
®
SEL-5030 (PC Software)
c
c
for detailed information.
Display
Settings
All settings
(
SHO
command)
Global, Group, and
Port settings
All settings
Change
Settings
All settings
(
SET
command)
Global, Group, and
Port settings
All settings
Summary of Contents for SEL-787
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