Date Code 20090715 User’s Guide SEL-421 Relay
Section 3
U.User’s Guide
PC Software
This section provides information on the following topics:
➤ Installing the Computer Software on page U.3.2
➤ Communications Setup on page U.3.4
➤ Settings Database Management and Drivers on page U.3.6
➤ Create and Manage Relay Settings on page U.3.9
➤ Expression Builder on page U.3.14
➤ Analyze Events on page U.3.16
➤ HMI Meter and Control on page U.3.21
The SEL-421 Relay includes
ACSELERATOR QuickSet
®
SEL-5030 software,
a powerful relay settings, analysis, and measurement tool to aid you in
applying and using the relay.
ACSELERATOR QuickSet reduces engineering
costs for relay settings, logic programming, and system analysis.
ACSELERATOR QuickSet also makes it easier for you to do the following:
➤ Create and manage relay settings
➢ Create settings for one or more SEL-421 relays
➢ Store and retrieve settings with an IBM-compatible
personal computer (PC)
➢ Upload and download relay settings files to and from
SEL-421 relays
➤ Analyze events
➢ Use the integrated waveform and harmonic analysis
tools
➤ Monitor real-time and relay-stored power system data
➢ Use the human machine interface (HMI) to view
metering, Relay Word bits, and circuit breaker monitor
data
➤ Control the relay
➢ Command relay operation through use of a graphical
user interface (GUI) environment
➢ Execute relay serial port commands in terminal mode
➤ Configure the serial port and passwords
SEL provides
ACSELERATOR QuickSet for easier, more efficient
configuration of relay settings, metering, and control.
ACSELERATOR
QuickSet gives you the advantages of rules-based settings checks, SEL
OGIC
®
control equation Expression Builder, operator control and metering HMI, and
event analysis.
Courtesy of NationalSwitchgear.com
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