2 Functions
58
7SD610 Manual
C53000-G1176-C145-4
At address 4513 you set a limit value PROT1 max ERROR for the permissible rate of
faulty protection data telegrams. This parameter can only be altered in DIGSI at Ad-
ditional Settings. The preset value 1 % means that one faulty telegram per 100 tele-
grams is permissible. The sum of telegrams in both directions is decisive.
If frequent transmission time jumps occur the regular operation of the differential pro-
tection is endangered. Under address 4515 PI1 BLOCK UNSYM you can decide
whether the differential protection shall be blocked in this case. Normal setting is YES
(pre-setting). This parameter can only be altered with DIGSI under Additional Set-
tings.
GPS synchronisa-
tion (optional)
If GPS synchronization (order option) is used, this synchronization mode can be
switched ON or OFF in address 4801 GPS-SYNC..
Address 4803 TD GPS FAILD is used to set the delay time after which an alarm is
output „GPS loss“ (No 3247) after a GPS failure is detected.
Further parameters concerning GPS synchronization were set for the individual pro-
tection data interfaces (see above).
2.2.3.2 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Ad-
ditional Settings.
Addr. Parameter Setting Options Default Setting Comments
4501 STATE PROT I 1 ON
OFF
ON State of protection interface 1
4502 CONNEC. 1 OVER F.optic direct
Com conv 64 kB
Com conv 128 kB
Com conv 512 kB
F.optic direct Connection 1 over
4505A PROT 1 T-DELAY 0.1 .. 30.0 ms 30.0 ms Prot 1: Maximal permissible delay
time
4506A PROT 1 UNSYM. 0.000 .. 3.000 ms 0.100 ms Prot 1: Diff. in send and receive
time
4509 T-DATA DISTURB 0.05 .. 2.00 sec 0.10 sec Time delay for data disturbance
alarm
4510 T-DATAFAIL 0.0 .. 60.0 sec 6.0 sec Time del for transmission failure
alarm
4511 PI1 SYNCMODE TEL and GPS
TEL or GPS
GPS SYNC OFF
TEL and GPS PI1 Synchronizationmode
4512 Td ResetRemote 0.00 .. 300.00 sec; ∞ 0.00 sec Remote signal RESET DELAY for
comm.fail
4513A PROT1 max ERROR 0.5 .. 20.0 % 1.0 % Prot 1: Maximal permissible error
rate
4515A PI1 BLOCK UNSYM YES
NO
YES Prot.1: Block. due to unsym. delay
time
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