Parameter
Values (Range)
Unit
Step
Default
Description
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
5.2.8
Monitored data
Table 779: CCBRBRF Monitored data
Name
Type
Values (Range)
Unit
Description
CCBRBRF
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
5.2.9
Technical data
Table 780: CCBRBRF Technical data
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured 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
1
Typically 40 ms
Retardation time
<20 ms
5.2.10
Technical revision history
Table 781: 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.
D
Internal improvement.
E
Maximum value for
Current value
and
Current
value Res
changed from “1.00 x In” to “2.00 x
In”.
F
Step for
Current value
and
Current value Res
changed from "0.05" to "0.01".
1
Trip pulse time defines the minimum pulse length
1MRS757644 H
Protection related functions
620 series
Technical Manual
815
