ABB RELION REX640, Техническое руководство, Страница: 1174 / 1960

Table 1119: CCBRBRF Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
CB fault delay 0...60000 ms 10 5000 Circuit breaker faul-
ty delay
Measurement
mode
2=DFT
3=Peak-to-Peak
3=Peak-to-Peak Phase current
measurement
mode of function
Trip pulse time 0...60000 ms 10 200 Pulse length of ret-
rip and backup trip
outputs
Start latching
mode
1=Rising edge
2=Level sensitive
1=Rising edge Start reset delayed
or immediately
5.2.9 CCBRBRF Monitored data
Table 1120: CCBRBRF Monitored data
Name Type Values (Range) Unit Description
CCBRBRF Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
5.2.10 Technical data
Table 1121: CCBRBRF Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the meas-
ured current: f
n
±2 Hz
±1.5 % of the set value or ±0.002 × I
n
Operate time accuracy ±1.0 % of the set value or ±20 ms
Reset time <20 ms
Retardation time <20 ms
5.2.11 Technical revision history
Table 1122: CCBRBRF Technical revision history
Technical revision Change
B Default trip pulse time changed to 150 ms
C Added new setting parameter Start latching
mode
. Maximum value changed to 2.00 xIn
for the
Current value
setting.
Table continues on the next page
Protection related functions 1MRS759142 F
1174 REX640
Technical Manual