44x/EN ST/Hb6
-54 MiCOM P40 Agile
SNTP Parameters
SNTP Server 1
SNTP server 1 Address
Time synchronization is supported using SNTP (Simple Network Time Protocol); this
protocol is used to synchronize the internal real time clock of the relays. This cell displays
the IP address of the primary SNTP server.
SNTP Server 2
SNTP server 21 Address
Displays the IP address of the secondary SNTP server.
SNTP Poll rate 64s 64s 1024s 1s
Duration of SNTP poll rate in seconds.
SNTP Need Time 10 mins 1 min 30 mins 1 min
Sets the time duration before next time synchronization request from the master.
SNTP App Fragment 2048 100 2048 1
Maximum message length (application fragment size) transmitted by the relay.
SNTP App Timeout 2s 1s 120s 1s
Duration of time waited, after sending a message fragment and awaiting a confirmation from
the master.
SNTP SBO Timeout 10s 1s 10s 1s
Duration of time waited (Select Before Operate mode), after receiving a select command
and awaiting an operate confirmation from the master.
3.7.5.2 Rear port 2 connection settings
The settings shown are those configurable for the second rear port which is only available
with the courier protocol.
Menu Text Default Setting
Setting Range
Step Size
Min. Max.
COMMUNICATIONS
REAR PORT2 (RP2)
RP2 Protocol Courier
Indicates the communications protocol that will be used on the rear communications port.
RP2 Card Status. data
This cell indicates the status of the rear communication board.
RP2 Port Config. EIA RS232 EIA RS232, EIA RS485 or KBus
This cell defines whether an electrical EIA(RS)232, EIA(RS)485 or KBus is being used for
communication.
RP2 Comms. Mode IEC60870 FT1.2 IEC60870 FT1.2 or 10-bit
The choice is either IEC60870 FT1.2 for normal operation with 11-bit modems, or 10-bit no
parity.
RP2 Address 255 0 255 1
This cell sets the unique address for the relay such that only one relay is accessed by
master station software.
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