Settings P54x/EN ST/La4
MiCOM P543, P544, P545, P546
(ST) 4-85
ST
Menu text Default setting Available settings
Test Mode Disabled
Disabled, Test Mode,
Contacts Blocked
The Test Mode menu cell is used to allow secondary injection testing to be performed on
the
st
f service and
tion of output contacts and m alarm
put contacts the Test Mode cell
locked. This bl ntacts
ct test functions which can be used to manually
is complete the cell must be set back to
tore the relay back to service.
the relay without operation of the trip contacts. It also enables a facility to directly test
output contacts by applying menu controlled test signals. To select test mode the Te
Mode menu cell should be set to ‘Test Mode’, which takes the relay out o
blocks opera aintenance, counters. It also causes an
condition to be recorded and the yellow ‘Out of Service’ LED to illuminate and an alarm
message ‘Prot’n. Disabled’ is given. This also freezes any information stored in the Circuit
Breaker Condition column and in IEC 60870-5-103 builds changes the Cause of
Transmission, COT, to Test Mode. To enable testing of out
should be set to Contacts B ocks the protection from operating the co
and enables the test pattern and conta
operate the output contacts. Once testing
‘Disabled’ to res
Test Pattern 00000000000000000000000000000000
0 = Not Operated
1 = Operated
This cell is used to select th
Test’ cell is set to ‘Apply Te
e output relay contacts that will be tested when the ‘Contact
st’.
Contact Test No Operation
No Operation, Apply
Test, Remove Test
When the ‘Apply Test’ command in this cell is issued the set for operation (set to
the ‘Test Mode’ set to ‘Enabled’ the ‘ ’ cell does not
he current sta output relays and ed to confirm
of
contacts
‘1’) in the ‘Test Pattern’ cell change state. After the test has been applied the command
text on the LCD will change to ‘No Operation’ and the contacts will remain in the Test State
until reset issuing the ‘Remove Test’ command. The command text on the LCD will again
revert to ‘No Operation’ after the ‘Remove Test’ command has been issued.
Note: When
show t
cell is
tus of the
Relay O/P Status
hence can not be us
operation of the output relays. Therefore it will be necessary to monitor the state
each contact in turn.
Test LEDs No Operation
No Operation
Apply Test
When the ‘Apply Test’ command in this cell is issued the eighteen user-programmable
LEDs will illuminate for approximately 2 seconds before they extinguish and the command
rts to ‘No Operation’. text on the LCD reve
Test Auto-reclose No Operation
No Operation, Trip 3
Pole, Trip Pole A, Trip
Pole B, Trip Pole C
This is a command used to simulate a single pole or thre g in order to test e phase trippin
Auto-reclose cycle.
Static Test Disabled Disabled or Enabled
When Static test is Enabled, delta phase selectors and the delta directional line are
the user to test the relay with older inje le
e. Resulting trip times will be
hed-in.
bypassed to allow ction test sets that are incapab
of simulating real dynamic step changes in current and voltag
slower, as extra filtering of distance comparators is also switc
Test Loopback Disabled
Disabled, Internal,
External
Setting that allows communication loopback testing.
IM64 TestPattern 000 00000000000 00
This cell is used to set the DDB signals included in the User Defined Inter-Relay
Commands IM64 when the ‘IM64 Test Mode’ cell is set to ‘Enable’.
To Next Page
Loading...
