7.41
Date Code 20150130 Instruction Manual SEL-787 Relay
Communications
SEL ASCII Protocol and Commands
Figure 7.21 shows the typical relay output for the STATUS S command,
showing available SEL
OGIC control equation capability.
SUMMARY Command
The SUM command (see Table 7.49) displays an event summary in human
readable format.
Each event summary report shows the date, time, current magnitudes (primary
values), frequency, and, if the relay has the voltage option, voltage magnitudes
(primary values). The relay reports the voltage and current when the largest
current occurs during the event. The event summary report also shows the
event type.
DN_Rate DeviceNet card network communications data
rate of 150, 250, or 500 kbps
Text Data
DN_Status DeviceNet connection and fault status 000b
bbbb
Text Data
Current Offset
(IAWn, IBWn,
ICWn (n = 1, 2),
IN)
DC offset in hardware circuits of current
channels
OK/WARN
Voltage Offset
(VA, VB, VC)
DC offset in hardware circuits of voltage
channels
OK/FAIL
=>STA S <Enter>
SEL-787 Date: 03/10/2008 Time: 15:04:34
TRNSFRMR RELAY Time Source: Internal
Part Number = 0787EX1B0X0X7585023X
SELOGIC Equation Available Capacity
Global (%) 79
FP (%) 56
Report (%) 77
GROUP 1 GROUP 2 GROUP 3 GROUP 4
Execution (%) 87 87 87 87
Group (%) 82 82 82 82
Logic (%) 89 89 89 89
=>
Figure 7.21 Typical Relay Output for STATUS S Command
Table 7.48 STATUS Command Report and Definitions (Sheet 2 of 2)
STATUS Report
Designator
Definition
Message
Format
Table 7.49 SUMMARY Co mm a n d
Command Description Access Level
SUM n The command without arguments displays the latest
event summary. Use n to display particular event
summary.
1
SUM R or C Use this command to clear the archive. 1
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