DPR-400 User Manual Rev_01 Firmware V-1.0
- 50 -
The unit offers two levels of breaker failure protection. If the fault condition persists after the trip command
has been sent to the breaker and the configured timer expires, this function is activated. The function
status can be assigned to a relay output.
Parameter Definition
Unit
Min
Max
Factory
Setting
Description
CB Fault 1 Status
-
0
1
0
1:
Enabled
0:
Disabled
CB Fault 1 Delay
Sec
0.00
10.00
0.20
Delay timer for failure
CB Fault 2 Status
-
0
1
0
1:
Enabled
0:
Disabled
CB Fault 2 Delay
Sec
0.00
10.00
0.20
Delay timer for failure
The unit offers an automatic reclosure function which enables the system to reclose if all the faults are
corrected after a successful breaker trip. The number of trials, delay timers for each trial, and the decision
period for successful reclosure are configurable parameters.
Parameter Definition
Unit
Min
Max
Factory
Setting
Description
3 Phase
-
0
4
1
Maximum number of allowed retries
Dead Time 1
Sec
0.05
30.00
0.30
Period for trial 1
Dead Time 2
Sec
1
1800
60
Period for trial 2
Dead Time 3
Sec
1
3600
60
Period for trial 3
Dead Time 4
Sec
1
3600
60
Period for trial 4
Reset Time
Sec
0
600
180
The time period for verifying a
successful reclosure
Parameter Definition
Unit
Min
Max
Factory
Setting
Description
CT Monitoring
-
0
1
0
1:
Enabled
0:
Disabled
CTS IN> Set
In
0
4
0
CTS Delay Timer
Sec
0
99
0.20
CTS VN< Setting
V
0.00
22
00
12.13. BREAKER FAILURE (ANSI 50BF)
12.14. AUTOMATIC RECLOSURE (ANSI 79)
12.15. CT SUPERVISION (ANSI 74CT)