U.4.17
Date Code 20020501 User’s Guide SEL-421/SEL-421-1 Relay
Basic Relay Operations
Making Simple Settings Changes
Table 4.5 Settings Classes and Instances
Class Description Instance Description
ASCII
Command
Global Relay-wide appli-
cations settings
Global SET G
Group Individual
scheme settings
Group 1
•
•
•
Group 6
Group 1
settings
•
•
•
Group 6 settings
SET 1,
SET S 1
•
•
•
SET 6,
SET S 6
Breaker Monitor Circuit breaker
monitoring settings
Breaker
Monitor
SET M
Port Communications
port settings
Port F Front-panel port SET P F
Port 1
•
•
•
Port 3
Port 1 settings
•
•
•
Port 3 settings
SET P 1
•
•
•
SET P 3
Port 5 Communications
card settings
SET P 5
Report Event report and
SER
a
settings
a
SER is the Sequential Events Recorder; see SER (Sequential Events Recorder) on page A.3.34
in the Applications Handbook.
Report SET R
Front Panel Front-panel
HMI settings
Front Panel SET F
Protection
SEL
OGIC
®
control equations
Protection-related
SELOGIC control
equations
Group 1
•
•
•
Group 6
Group 1 protection
SEL
OGIC control
equations
•
•
•
Group 6 protection
SEL
OGIC control
equations
SET L 1
•
•
•
SET L 6
Automation
SEL
OGIC
control equations
Automation-
related SELOGIC
control equations
Block 1
•
•
•
Block 10
Block 1 automation
SEL
OGIC control
equations
•
•
•
Block 10 automation
SEL
OGIC control
equations
SET A 1
•
•
•
SET A 10
DNP Direct Network
Protocol data
remapping
DNP SET D
Output SEL
OGIC
control equations
Relay control
output settings and
Mirrored Bits
communication
transmit equations
Output SET O