6.4
SEL-749M Relay Instruction Manual Date Code 20080918
Settings
View/Change Settings With Serial Port
View/Change Settings With Serial Port
Refer to Section 7: Communications for information on how to set up and
access the relay serial port with a personal computer and how to use ASCII
commands to communicate with the relay.
View Settings
Use the SHOW command to view relay settings. The SHOW command is
available from Access Level 1 and Access Level 2.
Table 6.2 lists the SHOW command options.
You may append a setting name to each of the commands to specify the first
setting to display (e.g., SHO 50P1P displays the relay settings starting with
setting 50P1P). The default is the first setting.
The SHOW command displays only the enabled settings. To display all
settings, including disabled/hidden settings, append an A to the SHOW
command (e.g., SHOW A).
Enter Settings
The SET command (available from Access Level 2) allows you to view or
change settings. Table 6.3 lists the SET command options.
When you issue the SET command, the relay presents a list of settings one at
a time. Enter a new setting or press <Enter> to accept the existing setting.
Editing keystrokes are listed in Table 6.4.
Table 6.2 SHOW Command Options
Command Description
SHOW Show relay group settings.
SHO A Show all relay settings: enabled, disabled/hidden.
SHO L Show logic settings.
SHO G Show global configuration settings
SHO P n Show serial port settings for Port n (n = F, 3, or 4).
SHO F Show front-panel display and LED settings.
SHO R Show Sequential Event Report (SER) and Event Report settings.
Table 6.3 SET Command Options
Command Settings Type Description
SET Relay Protection elements, timers, etc.
SET L Logic General logic settings
SET G Relay Global configuration
SET P Port Serial port settings.
SET F Front Panel Front-panel display and LED settings
SET R Reports SER and Event Report settings
Courtesy of NationalSwitchgear.com
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