Date Code 20100129 Instruction Manual SEL-751A Relay
Section 6
Settings
Overview
The SEL-751A Feeder Protection Relay stores the settings you enter in
nonvolatile memory. Settings are divided into the following eight setting
classes:
1. Relay Group n (where n = 1, 2, or 3)
2. Logic Group n (where n = 1, 2, or 3)
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 Table 6.1.
Setting entry error messages, together with corrective actions, are also
presented in this section to assist in correct settings entry.
The SEL-751A Settings Sheets at the end of this section list all SEL-751A
settings, the setting definitions, and input ranges. Refer to Section 4:
Protection and Logic Functions for detailed information on individual
elements and settings.
Table 6.1 Methods of Accessing Settings
Serial Port
Commands
a
a
Refer to Section 7: Communications for detailed information on set-up and use of the serial
communications port and Ethernet port.
Front Panel HMI
Set/Show Menu
b
b
Refer to Section 8: Front-Panel Operations for detailed information on the front-panel layout,
menus and screens, and operator control pushbuttons.
ACSELERATOR
QuickSet
®
SEL-5030 (PC software)
c
c
Refer to Section 3: PC Software 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
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