7.26
SEL-787 Relay
Instruction Manual
Date Code 20081022
Communications
SEL ASCII Protocol and Commands
MAC Command
Use the
MAC
command to display the MAC addresses of
PORT 1
, as shown
below.
=>
MAC <Enter>
Port 1 MAC Address: 00-30-A7-00-00-00
=>
MET Command (Metering Data)
The
MET
command (see
) provides
access to the relay metering data.
For more information on metering and example responses for each meter
class, see
Section 5: Metering and Monitoring
On issuing the
MET
c
R
command for resetting metering quantities in class
c
,
the relay responds:
Reset Metering Quantities (Y,N)?
Upon confirming
(pressing
Y
), the metering quantities will be reset and the relay responds with
Reset Complete
.
Table 7.28
Meter Command
Command
Description
Access Level
MET
c n
Display
metering
data.
1
MET
c
R
Reset metering data.
2
Table 7.29
Meter Command Parameters
Parameter
Description
c
Parameter for identifying meter class.
n
Parameter used to specify number of times (1–32767) to repeat the meter
response.
Table 7.30
Meter Class
c
Meter Class
F
Fundamental Metering
E
a
a
Reset metering available.
Energy Metering
Maximum/Minimum Metering
RMS
RMS Metering
T
Thermal and RTD Metering
AI
Analog Input (transducer) Metering
MV
SEL
OGIC
Math Variable Metering
Demand Metering
Peak Demand Metering
PM
Synchrophasor Metering
H
Harmonic Metering
DIF
Differential Metering
Summary of Contents for SEL-787
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