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GE C30 Instruction Manual Page 143

Controller system ur series.
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Table of Contents
441

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Table of Contents
5 SETTINGS
The DNP Channels sub-menu is shown below.
PATH: SETTINGS
PRODUCT SETUP
 DNP CHANNELS
MESSAGE
The
and
DNP CHANNEL 1 PORT
for each channel. 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 - TCP", the DNP protocol can be used over
TCP/IP on channels 1 or 2. When this value is set to "Network - UDP", the DNP protocol can be used over UDP/IP on chan-
nel 1 only. Refer to Appendix E for additional information on the DNP protocol.
Changes to the
DNP CHANNEL 1 PORT
cycled to the relay.
NOTE
The
DNP NETWORK CLIENT ADDRESS
settings in this sub-menu are shown below.
PATH: SETTINGS
PRODUCT SETUP
 DNP NETWORK
 CLIENT ADDRESSES
MESSAGE
MESSAGE
MESSAGE
MESSAGE
The
DNP UNSOL RESPONSE FUNCTION
mechanism. The
DNP UNSOL RESPONSE TIMEOUT
response. The
DNP UNSOL RESPONSE MAX RETRIES
ited response without receiving confirmation from the master; a value of "255" allows infinite re-tries. The
is the DNP address to which all unsolicited responses are sent. The IP address to which unsolic-
RESPONSE DEST ADDRESS
ited responses are sent is determined by the C30 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 C30 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 C30 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 C30 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 C30 when any current values change by 15 A, the
should be set to "15". Note that these settings are the deadband default values. DNP object 34 points can be used to
change deadband values, from the default, for each individual DNP analog input point. Whenever power is removed and
re-applied to the C30, the default deadbands will be in effect.
GE Multilin


COMMUNICATIONS
DNP CHANNEL 1 PORT:
NONE
DNP CHANNEL 2 PORT:
NONE
settings select the communications port assigned to the DNP protocol
DNP CHANNEL 2 PORT
and
DNP CHANNEL 2 PORT
settings can force the C30 to respond to a maximum of five specific DNP masters. The


COMMUNICATIONS
CLIENT ADDRESS 1:
0.0.0.0
CLIENT ADDRESS 2:
0.0.0.0
CLIENT ADDRESS 3:
0.0.0.0
CLIENT ADDRESS 4:
0.0.0.0
CLIENT ADDRESS 5:
0.0.0.0
should be "Disabled" for RS485 applications since there is no collision avoidance
sets the time the C30 waits for a DNP master to confirm an unsolicited
setting determines the number of times the C30 retransmits an unsolic-
settings determine when to trigger unsolicited responses containing analog input data. These
C30 Controller System
DNP PROTOCOL
DNP CHANNELS
Range: NONE, COM1 - RS485, COM2 - RS485,
FRONT PANEL - RS232, NETWORK - TCP,
NETWORK - UDP
Range: NONE, COM1 - RS485, COM2 - RS485,
FRONT PANEL - RS232, NETWORK - TCP,
NETWORK - UDP
settings take effect only after power has been
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
5.2 PRODUCT SETUP
5
DNP UNSOL
setting is set to "1000",
setting
5-15

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