GE F60 UR Series Instruction Manual page 157

Feeder protection system
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5 SETTINGS
If SNTP functionality is enabled at the same time as IRIG-B, the IRIG-B signal provides the time value to the F60 clock for
as long as a valid signal is present. If the IRIG-B signal is removed, the time obtained from the SNTP server is used. If
either SNTP or IRIG-B is enabled, the F60 clock value cannot be changed using the front panel keypad.
To use SNTP in unicast mode,
set and
is "Enabled", the F60 attempts to obtain time values from the SNTP/NTP server. Since many time
SNTP FUNCTION
values are obtained and averaged, it generally takes three to four minutes until the F60 clock is closely synchronized with
the SNTP/NTP server. It may take up to two minutes for the F60 to signal an SNTP self-test error if the server is offline.
To use SNTP in broadcast mode, set the
F60 then listens to SNTP messages sent to the "all ones" broadcast address for the subnet. The F60 waits up to eighteen
minutes (>1024 seconds) without receiving an SNTP broadcast message before signaling an SNTP self-test error.
The UR-series relays do not support the multicast or anycast SNTP functionality.
l) EGD PROTOCOL
PATH: SETTINGS
PRODUCT SETUP
EGD PROTOCOL
MESSAGE
MESSAGE
The F60 Feeder Protection System is provided with optional Ethernet Global Data (EGD) communications
capability. This feature is specified as a software option at the time of ordering. Refer to the Ordering sec-
tion of chapter 2 for additional details. The Ethernet Global Data (EGD) protocol feature is not available if
CPU Type E is ordered.
The relay supports one fast Ethernet Global Data (EGD) exchange and two slow EGD exchanges. There are 20 data items
in the fast-produced EGD exchange and 50 data items in each slow-produced exchange.
Ethernet Global Data (EGD) is a suite of protocols used for the real-time transfer of data for display and control purposes.
The relay can be configured to 'produce' EGD data exchanges, and other devices can be configured to 'consume' EGD
data exchanges. The number of produced exchanges (up to three), the data items in each exchange (up to 50), and the
exchange production rate can be configured.
EGD cannot be used to transfer data between UR-series relays. The relay supports EGD production only. An EGD
exchange will not be transmitted unless the destination address is non-zero, and at least the first data item address is set to
a valid Modbus register address. Note that the default setting value of "0" is considered invalid.
The settings menu for the fast EGD exchange is shown below:
PATH: SETTINGS
PRODUCT SETUP
FAST PROD EXCH 1
CONFIGURATION
MESSAGE
MESSAGE
MESSAGE
MESSAGE
GE Multilin
must be set to the SNTP/NTP server IP address. Once this address is
SNTP SERVER IP ADDR
SNTP SERVER IP ADDR
COMMUNICATIONS
FAST PROD EXCH 1
CONFIGURATION
SLOW PROD EXCH 1
CONFIGURATION
SLOW PROD EXCH 2
CONFIGURATION
COMMUNICATIONS
EXCH 1 FUNCTION:
Disable
EXCH 1 DESTINATION:
0.0.0.0
EXCH 1 DATA RATE:
1000 ms
EXCH 1 DATA ITEM 1:
0
EXCH 1 DATA ITEM 20:
0
F60 Feeder Protection System
setting to "0.0.0.0" and
SNTP FUNCTION
EGD PROTOCOL
EGD PROTOCOL
FAST PROD EXCH 1 CONFIGURATION
Range: Disable, Enable
Range: standard IP address
Range: 50 to 1000 ms in steps of 1
Range: 0 to 65535 in steps of 1
(Modbus register address range)
Range: 0 to 65535 in steps of 1
(Modbus register address range)
5.2 PRODUCT SETUP
to "Enabled". The
5
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