10.25
Date Code 20090730
Instruction Manual
SEL-734 Meter
Communications
Command Explanations
You may append a setting name to each of the commands to specify the first
setting to display (e.g.,
SHO G
displays the meter settings included in global
settings). The default is the first setting.
SSI Command (Voltage Sag/Swell/Interruption Report)
Use the
SSI
command to view the Voltage Sag, Swell, and Interruption report.
For more information on SSI reports, see
Section 6: Power Quality and Event
STA Command (Meter Self-Test Status)
The
STA
command displays the status report, showing the meter self-test
information.
To view a status report, enter the following command:
=>STA
n
<Enter>
where
n
is an optional parameter to specify the number of times (1–32767) to
repeat the status display. If
n
is not specified, the status report is displayed
once.
STA Command Row and Column Definitions
The meter latches all self-test warnings and failures in order to capture
transient out-of-tolerance conditions. To reset the self-test statuses, use the
STA C
command from Access Level 2:
=>>STA C <Enter>
The meter responds:
Reboot the meter and clear status
Are you sure (Y/N)?
Table 10.16
STA Abbreviation Definitions
Abbreviations
Description
FID
The firmware identifier string. It identifies the firmware revision.
CID
The firmware checksum identifier.
OS
Offset—displays measured dc offset voltages in millivolts for the cur-
rent and voltage channels.
PS
Power Supply—displays power supply voltages in Vdc for the power
supply outputs.
BATT
Displays the battery voltage.
TEMP
Displays the internal meter temperature in degrees Celsius.
RAM, ROM,
CR_RAM
(Critical RAM),
and NONVOL
These tests verify the meter memory components. The columns dis-
play OK if memory is functioning properly; the columns display
FAIL if the memory area has failed.
CT_BRD,
PT_BRD, and
MISC_BRD
These tests verify the meter board components. The columns display
OK if the board is functioning properly; the columns display FAIL if
the board has failed.
W (Warning) or F (Failure) is appended to the values to indicate an out-of-tolerance
condition.
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