Settings; Monitored Data; Operation Principle - ABB REC650 Technical Manual

Section 6
Current protection
6.9.5
Table 81: CCRPLD Group settings (basic)
Name
Operation
tTrip
ContSel
CurrSel
CurrUnsymLevel
CurrRelLevel
Table 82: CCRPLD Non group settings (basic)
Name
GlobalBaseSel
6.9.6
6.9.7
138
Table 80: CCRPLD Output signals
Name
TRIP
START

Settings

Values (Range) Unit
Off -
On
0.000 - 60.000 s
Off -
PD signal from CB
Off -
CB oper monitor
Continuous monitor
0 - 100 %
0 - 100 %IB
Values (Range) Unit
1 - 6 -

Monitored data

Table 83: CCRPLD Monitored data
Name
IMin
IMax

Operation principle

The detection of pole discordance can be made in two different ways. If the contact
based function is used an external logic can be made by connecting the auxiliary
contacts of the circuit breaker so that a pole discordance is indicated, see figure 60.
Type Description
BOOLEAN Trip signal to CB
BOOLEAN Trip condition TRUE, waiting for time delay
Step Default
- Off
0.001 0.300
- Off
- Off
1 80
1 10
Step Default
1 1
Type Values (Range)
REAL -
REAL -
1MRK 511 287-UEN A
Description
Operation Off / On
Time delay between trip condition and trip
signal
Contact function selection
Current function selection
Unsym magn of lowest phase current
compared to the highest.
Current magnitude for release of the
function in % of IBase
Description
Selection of one of the Global Base Value
groups
Unit Description
A Lowest phase current
A Highest phase current
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