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The following state bits are associated with this process:
Measurement error
Problem in the measurement block
No Trip Power
There is not the required energy to trip
Eeprom error
Problem in the Eeprom memory, some group is corrupted. Remaining that
setting (both group) are duplicated in Eeprom chip.
Events error
Problem on the events recording
Date & Time error
Problem recording the date & time (the relay records an invalid date & time)
No Trip Power
message indicates the relay has not enough energy to trip. This situation is not
permanent, and it is solved once the relay achieves the necessary energy to trip thank to enough
time has passed, more current is injected or other auxiliary supply is used.
The other errors are related with the communication of the 2 microprocessors that are included in
the relay.
Measurement error
event always is generated when the BATTERY key is pressed because when
this key is pressed only one of the microprocessors is operative.
If this problem occurs with a model without commissioning battery and appear on the standby screen
or any of the other 2 situations appear on the main screen (
EEPROM ERROR or EVENTS ERROR
),
the relay should be replaced, and it will be necessary to contact Fanox.
On the other hand, “Default settings” means that the relay is operating under factory settings, being
all protection functions disabled.
5.7.
Disturbance Fault Recording
Disturbance fault recording includes the disturbance records in COMTRADE format and the data of
each COMTRADE (fault reports). The relay can store, in FRAM memory, up to 20 fault reports with
16 events in each.
From the standby mode screen, press “OK” key to access the first line of menus.
Use the “▲” and “▼” keys to position the cursor over the “FAULTS” screen. They are also accessible
pressing “◄” from the standby menu. The next information can be checked:
•
Date-time at which the fault started.
•
List of all events occurred in the relay during the fault.
To delete the fault reports buffer, position the cursor over the fault report menu and press and hold
the
“RESET” key, until there are no fault reports. There will be an event “Fault reports erased”.
Besides, the relay can store the last 10 fault reports in COMTRADE format
– cyclic recording by
FIFO method (with 50 cycles per record
– resolution 16 samples/cycle). The first three of these
cycles correspond to pre-fault.
The DFR starts when a function pickup happens and the DFR will take place when the trip is finished
or when the record is full.
The COMTRADE file is downloaded by communications through the front or rear port using the
Modbus protocol. The SICom communications program allows the user to download and save the
reports in COMTRADE format (IEEE C37.111-1991).
Summary of Contents for SIA-B Series
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Page 10: ...www fanox com Rev 07 10 138 2 4 Connection diagram NOTE STRIKER 6 24 Vdc 0 135 W s...
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