ABB RELION 620 Series Technical Manual page 934

Section 7
Condition monitoring functions
7.1.9
7.1.10
928
Technical data
Table 886: SSCBR Technical data
Characteristic
Current measuring accuracy
Operate time accuracy
Travelling time measurement
Technical revision history
Table 887: SSCBR Technical revision history
Technical revision
B
C
D
E
F
Value
±1.5% or ±0.002 × I
n
(at currents in the range of 0.1...10 × I
±5.0%
(at currents in the range of 10...40 × I
±1.0% of the set value or ±20 ms
+10 ms / -0 ms
Change
Added the possibility to reset spring charge time
and breaker travel times
Removed the DIFTRVTOPALM and
DIFTRVTCLALM outputs and the corresponding
Open Dif alarm time and Close Dif alarm time
setting parameters
Operation cycle setting parameter renamed to
The
Initial CB Rmn life . The IPOW_A (_B, _C) range
changed.
Maximum value of initial circuit breaker remaining
Initial CB Rmn life ) changed from
life time setting (
9999 to 99999. Added support for measuring
circuit breaker travelling time from opening/closing
command and auxiliary contact state signal
change.
Alarm Op number range increased from 9999 to
99999. Lockout Op number setting range
increased from 9999 to 99999.
value setting range increased from 9999 to 99999.
1MRS757644 F
)
n
)
n
Counter initial
620 series
Technical Manual