GE L30 Instruction Manual page 174

5.2 PRODUCT SETUP
The setting is the DNP slave address. This number identifies the L30 on a DNP communications link. Each
DNP ADDRESS
DNP slave should be assigned a unique address.
The
DNP NETWORK CLIENT ADDRESS
settings in this sub-menu are shown below.

PATH: SETTINGS PRODUCT SETUP
 DNP NETWORK
 CLIENT ADDRESSES
The
DNP TCP/UDP PORT NUMBER
effect when the L30 is restarted.
The
DNP UNSOL RESPONSE FUNCTION
mechanism. The
DNP UNSOL RESPONSE TIMEOUT
5
response. The
DNP UNSOL RESPONSE MAX RETRIES
ited response without receiving confirmation from the master; a value of "255" allows infinite re-tries. The
RESPONSE DEST ADDRESS
ited responses are sent is determined by the L30 from the current TCP connection or the most recent UDP message.
The DNP scale factor settings are numbers used to scale analog input point values. These settings group the L30 analog
input data into the following types: current, voltage, power, energy, power factor, and other. Each setting represents the
scale factor for all analog input points of that type. For example, if the
all DNP analog input points that are voltages will be returned with values 1000 times smaller (for example, a value of 72000
V on the L30 will be returned as 72). These settings are useful when analog input values must be adjusted to fit within cer-
tain ranges in DNP masters. Note that a scale factor of 0.1 is equivalent to a multiplier of 10 (that is, the value will be 10
times larger).
The
DNP DEFAULT DEADBAND
settings group the L30 analog input data into the following types: current, voltage, power, energy, power factor, and other.
Each setting represents the default deadband value for all analog input points of that type. For example, to trigger unsolic-
ited responses from the L30 when any current values change by 15 A, the
be set to "15". Note that these settings are the deadband default values. DNP object 34 points can be used to change dead-
band values, from the default, for each individual DNP analog input point. Whenever power is removed and re-applied to
the L30, the default deadbands will be in effect.
The L30 relay does not support energy metering. As such, the
DEFAULT DEADBAND
NOTE
The
DNP TIME SYNC IIN PERIOD
Changing this time allows the DNP master to send time synchronization commands more or less often, as required.
The
DNP MESSAGE FRAGMENT SIZE
fragment sizes allow for more efficient throughput; smaller fragment sizes cause more application layer confirmations to be
necessary which can provide for more robust data transfer over noisy communication channels.
When the DNP data points (analog inputs and/or binary inputs) are configured for Ethernet-enabled relays, check
the "DNP Points Lists" L30 web page to view the points lists. This page can be viewed with a web browser by enter-
ing the L30 IP address to access the L30 "Main Menu", then by selecting the "Device Information Menu" > "DNP
NOTE
Points Lists" menu item.
5-38
settings can force the L30 to respond to a maximum of five specific DNP masters. The

COMMUNICATIONS
CLIENT ADDRESS 1:
0.0.0.0
CLIENT ADDRESS 2:
MESSAGE
0.0.0.0
CLIENT ADDRESS 3:
MESSAGE
0.0.0.0
CLIENT ADDRESS 4:
MESSAGE
0.0.0.0
CLIENT ADDRESS 5:
MESSAGE
0.0.0.0
is for normal DNP operation. To close the port, set the port number to 0. The change takes
should be "Disabled" for RS485 applications since there is no collision avoidance
sets the time the L30 waits for a DNP master to confirm an unsolicited
setting determines the number of times the L30 retransmits an unsolic-
is the DNP address to which all unsolicited responses are sent. The IP address to which unsolic-
settings determine when to trigger unsolicited responses containing analog input data. These
settings are not applicable.
setting determines how often the Need Time Internal Indication (IIN) bit is set by the L30.
setting determines the size, in bytes, at which message fragmentation occurs. Large
L30 Line Current Differential System
 
DNP PROTOCOL DNP NETWORK CLIENT ADDRESSES
Range: standard IP address
Range: standard IP address
Range: standard IP address
Range: standard IP address
Range: standard IP address
DNP VOLTAGE SCALE FACTOR
DNP CURRENT DEFAULT DEADBAND
DNP ENERGY SCALE FACTOR
5 SETTINGS
DNP UNSOL
setting is set to "1000",
setting should
and
DNP ENERGY
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