701 Motor Protection Relay Date Code 20010719
ASCII Serial Port Operation
Command Explanations
6.14
=>HIS 1
SEL-701 Date: 07/07/1999 Time: 15:51:24.365
MOTOR RELAY
Event: UNBALANCED CURRENT
Event #: 1
Event Date: 07/07/1999
Event Time: 14:39:47.907
Frequency (Hz): 60.00
% Thermal Capacity: 69.0
% Unbalance Current: 15.3
IA IB IC IN IG 3I2
Currents (A): 259.7 191.6 190.6 0.1 68.2 69.0
Winding Bearing Ambient Other
Hottest RTD (F): 150 112 78 NA
VAB VBC VCA
Voltages (V): 458 460 457
kW kVAR kVA PF
Power: 163.8 44.1 169.6 0.97 LAG
=>
Figure 6.7 HISTORY Command Example.
HISTORY R (Level 2)
HISTORY R removes the event summaries and all corresponding event reports
from nonvolatile memory.
LDP (Level 1 or 2)
Use the LDP (Load Profile) command to view information stored by the relay
Load Profile function described in detail in Section 8: Metering & Monitoring. Each
load profile entry is stored with a record number, a date, and a time. You can access
load profile data by record number or by date. The most recent record is always record
number 1. The various LDP command options are listed in Table 6.8.
Table 6.8 LDP Comman d Options
Table 6.8 LDP Command Options
Serial Port
Command
Description
LDP Display all available load profile data.
LDP n Display the n most recent load profile records, starting with record n.
LDP n1 n2 Display load profile records n2 to n1, starting with n2.
LDP d1 Display all the load profile records made on date d1.
LDP d1 d2 Display all the load profile records made from d2 to d1, inclusive,
starting with d2.
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