Sel SEL-787 - Table 7.31 Meter Class

7.32
SEL-787 Relay Instruction Manual Date Code 20150130
Communications
SEL ASCII Protocol and Commands
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.
OPEN n Command (Open Breakern, where n = 1 or 2)
The OPE n (OPEN) command asserts Relay Word bit OCn for 1/4 cycle when
it is executed. Relay Word bit OCn can then be programmed into the TRn
SEL
OGIC control equation to assert the TRIPn Relay Word bit, which in turn
asserts an output contact (e.g., OUT301 = TRIPn) to open circuit breaker n
(see Table 4.26 and Figure 4.50 for factory-default setting TRn and trip logic).
To issue the OPE 1 command, enter the following.
Typing N <Enter> after the above prompt will abort the command.
The OPE n command is supervised by the main board breaker control jumper
(see Table 2.12). If the breaker control jumper is not in place (breaker control
jumper = OFF), the relay does not execute the OPE n command and responds
with the following.
Table 7. 3 1 M eter Class
c Meter Class
F
Fundamental Metering
E
a
a
Reset metering available.
Energy Metering
M
a
Maximum/Minimum Metering
RMS
RMS Metering
T
Thermal and RTD Metering
AI
Analog Input (transducer) Metering
MV
SELOGIC Math Variable Metering
DEM
a
Demand Metering
PEA
a
Peak Demand Metering
PM
Synchrophasor Metering
H
Harmonic Metering
DIF
Differential Metering
=>>OPE 1 <Enter>
Open Breaker1 (Y,N)? Y <Enter>
=>>
=>>OPE 1 <Enter>
Command Aborted: No Breaker Jumper
=>>