PRESLO
BLOCK
BLKALM
PRESALM
GPRESALM
GPRESLO
AND
AND
0
tDGasPresAlm
0
tDGasPresLO
ANSI12000622 V1 EN-US
Figure 217:
Functional module diagram for circuit breaker gas pressure indication
When the
PRESALM
binary input is activated, the
GPRESALM
output is activated after
a time delay set with the
tDGasPresAlm
setting. The
GPRESALM
alarm can be blocked
by activating the BLKALM input.
If the pressure drops further to a very low level, the
PRESLO
binary input goes high,
activating the lockout alarm
GPRESLO
after a time delay set with the
tDGasPresLO
setting. The
GPRESLO
alarm can be blocked by activating the
BLKALM
input.
The binary input
BLOCK
can be used to block the function. The activation of the
BLOCK
input deactivates all outputs and resets internal timers. The alarm signals from
the function can be blocked by activating the binary input
BLKALM
.
16.4.8
Technical data
GUID-B6799420-D726-460E-B02F-C7D4F1937432 v8
Table 414:
SSCBR Technical data
Function
Range or value
Accuracy
Alarm level for open and close
travel time
(0 – 200) ms
±3 ms
Alarm level for number of
operations
(0 – 9999)
-
Independent time delay for
spring charging time alarm
(0.00 – 60.00) s
±0.2% or ±30 ms whichever is
greater
Independent time delay for gas
pressure alarm
(0.00 – 60.00) s
±0.2% or ±30 ms whichever is
greater
Independent time delay for gas
pressure lockout
(0.00 – 60.00) s
±0.2% or ±30 ms whichever is
greater
CB Contact Travel Time, opening
and closing
±3 ms
Remaining Life of CB
±2 operations
Accumulated Energy
±1.0% or ±0.5 whichever is
greater
Section 16
1MRK 511 408-UUS A
Monitoring
546
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Summary of Contents for Relion RES670
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