ii Serial Port Communications and Commands Date Code 20001006
SEL-351 Instruction Manual
MET k – Instantaneous Metering ...................................................................10-20
MET D – Demand Metering ..........................................................................10-21
MET E – Energy Metering.............................................................................10-22
MET M – Maximum/Minimum Metering....................................................... 10-23
QUI Command (Quit Access Level).......................................................................10-24
SER Command (Sequential Events Recorder Report)............................................. 10-24
SHO Command (Show/View Settings)................................................................... 10-24
SSI Command (Voltage Sag/Swell/Interruption Report - Available in Firmware
Versions 3 and 4)........................................................................................... 10-28
STA Command (Relay Self-Test Status)................................................................10-28
STA Command Row and Column Definitions................................................. 10-29
TAR Command (Display Relay Element Status).................................................... 10-30
TIM Command (View/Change Time).....................................................................10-31
TRI Command (Trigger Event Report) ..................................................................10-32
Access Level B Commands........................................................................................... 10-32
BRE n Command (Preload/Reset Breaker Wear)....................................................10-32
CLO Command (Close Breaker)............................................................................ 10-33
GRO n Command (Change Active Setting Group)..................................................10-34
OPE Command (Open Breaker)............................................................................. 10-34
PUL Command (Pulse Output Contact) .................................................................10-35
Access Level 2 Commands............................................................................................10-36
CON Command (Control Remote Bit) ...................................................................10-36
COP m n Command (Copy Setting Group) ............................................................10-36
LOO Command (Loop Back - Available in Firmware Versions 1, 2, 3, and 4)........ 10-37
PAS Command (View/Change Passwords).............................................................10-37
SET Command (Change Settings).......................................................................... 10-38
VER Command (Show Relay Configuration and Firmware Version) ...................... 10-38
SEL-351 Relay Command Summary .................................................................................... 10-39
TABLES
Table 10.1: SEL-351 Relay Models and Available Serial Ports..........................................................10-1
Table 10.2: Pinout Functions for EIA-232 Serial Ports 2, 3, and F.....................................................10-2
Table 10.3: Terminal Functions for EIA-485 Serial Port 1.................................................................10-3
Table 10.4: Serial Communications Port Pin/Terminal Function Definitions.......................................10-6
Table 10.5: Serial Port Automatic Messages .....................................................................................10-9
Table 10.6: Serial Port Command Summary.................................................................................... 10-12
Table 10.7: SEL-351 Relay Word and Its Correspondence to TAR Command .................................10-31
Table 10.8: SEL-351 Relay Control Subcommands.........................................................................10-36
FIGURES
Figure 10.1: DB-9 Connector Pinout for EIA-232 Serial Ports............................................................10-2
Courtesy of NationalSwitchgear.com
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