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GE UR Series Instruction Manual Page 95

Line differential relay.
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5 SETTINGS
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
The L90 supports the Distributed Network Protocol (DNP) version 3.0. The L90 can be used as a DNP slave device con-
nected to a single DNP master (usually either an RTU or a SCADA master station). Since the L90 maintains one set of DNP
data change buffers and connection information, only one DNP master should actively communicate with the L90 at one
time. The DNP PORT setting is used to select the communications port assigned to the DNP protocol. DNP can be
assigned to a single port only. Once DNP is assigned to a serial port, the Modbus protocol is disabled on that port. Note that
COM1 can be used only in non-ethernet UR relays. When this setting is set to NETWORK, the DNP protocol can be used
over either TCP/IP or UDP/IP. Refer to Appendix E for more information on the DNP protocol.
The
setting is the DNP slave address. This number identifies the L90 on a DNP communications link. Each
DNP ADDRESS
DNP slave should be assigned a unique address.
The
DNP NETWORK CLIENT ADDRESS
The
DNP UNSOL RESPONSE FUNCTION
ance mechanism.
The
DNP UNSOL RESPONSE TIMEOUT
The
DNP UNSOL RESPONSE MAX RETRIES
response without receiving a confirmation from the master. A value of 255 allows infinite re-tries.
The
DNP UNSOL RESPONSE DEST ADDRESS
address to which unsolicited responses are sent is determined by the L90 from either the current DNP TCP connection or
the most recent UDP message.
GE Power Management
DNP CURRENT SCALE
FACTOR: 1
DNP VOLTAGE SCALE
FACTOR: 1
DNP CURRENT SCALE
FACTOR: 1
DNP POWER SCALE
FACTOR: 1
DNP ENERGY SCALE
FACTOR: 1
DNP OTHER SCALE
FACTOR: 1
DNP CURRENT DEFAULT
DEADBAND: 30000
DNP VOLTAGE DEFAULT
DEADBAND: 30000
DNP POWER DEFAULT
DEADBAND: 30000
DNP ENERGY DEFAULT
DEADBAND: 30000
DNP OTHER DEFAULT
DEADBAND: 30000
DNP TIME SYNC IIN
PERIOD: 1440 min
DNP MESSAGE FRAGMENT
SIZE: 240
DNP BINARY INPUTS
USER MAP
settings can force the L90 to respond to a maximum of five specific DNP masters.
should be set to "Disabled" for RS485 applications since there is no collision avoid-
sets the time the L90 waits for a DNP master to confirm an unsolicited response.
setting determines the number of times the L90 will retransmit an unsolicited
setting is the DNP address to which all unsolicited responses are sent. The IP
L90 Line Differential Relay
Range: 0.01. 0.1, 1, 10, 100, 1000
Range: 0.01. 0.1, 1, 10, 100, 1000
Range: 0.01. 0.1, 1, 10, 100, 1000
Range: 0.01. 0.1, 1, 10, 100, 1000
Range: 0.01. 0.1, 1, 10, 100, 1000
Range: 0.01. 0.1, 1, 10, 100, 1000
Range: 0 to 65535 in steps of 1
Range: 0 to 65535 in steps of 1
Range: 0 to 65535 in steps of 1
Range: 0 to 65535 in steps of 1
Range: 0 to 65535 in steps of 1
Range: 1 to 10080 min. in steps of 1
Range: 30 to 2048 in steps of 1
5.2 PRODUCT SETUP
5
5-11

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