Date Code 990215 Serial Port Communications and Commands 10-9
SEL-351P Manual Técnico
Table SECTION 10: .4: Serial Port Automatic Messages
Condition Description
Power Up The control sends a message containing the present date and
time, Recloser and Terminal Identifiers, and the Access Level
0 prompt (=) when the control is turned on.
Event Trigger The control sends an event summary each time an event report
is triggered. See Section 12: Standard Event Reports and
SER.
Group Switch The control displays the active settings group after a group
switch occurs. See GRO n Command (Change Active Setting
Group) in this section.
Self-Test Warning or Failure The control sends a status report each time a self-test warning
or failure condition is detected. See STA Command (Recloser
Control Self-Test Status) in this section.
S
ERIAL
P
ORT
A
CCESS
L
EVELS
You can issue commands to the SEL-351P via the serial communication ports to view metering
values, change control settings, etc. The available serial port commands are listed in
Table SECTION 10: .5. A summary of commands is also included at the end of this section of
the instruction manual. The commands can be accessed only from the corresponding access level
as shown in
Table SECTION 10: .5. The access levels are:
Access Level 0 (the lowest access level)
Access Level 1 (interrogation only level)
Access Level E (EZ settings level)
Access Level B (Breaker/recloser control level)
Access Level 2 (the highest access level)
Note: In this manual, commands you type appear in bold/uppercase: SHO G. Computer keys
you press appear in bold/uppercase/brackets: <ENTER>.
Access Level 0
After serial port communication is established with the control, the control sends the following
prompt:
=
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