GE Multilin C60, Instruction Manual

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GE Multilin C60 Breaker Protection System 5-19
5 SETTINGS 5.2 PRODUCT SETUP
5
The DNP Channels sub-menu is shown below.
PATH: SETTINGS
Ö
PRODUCT SETUP
ÖØ
COMMUNICATIONS
ÖØ
DNP PROTOCOL
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DNP CHANNELS
The
DNP CHANNEL 1 PORT
and
DNP CHANNEL 2 PORT
settings select the communications port assigned to the DNP protocol
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
and
DNP CHANNEL 2 PORT
settings will take effect only after power has
been cycled to the relay.
The
DNP NETWORK CLIENT ADDRESS
settings can force the C60 to respond to a maximum of five specific DNP masters. The
settings in this sub-menu are shown below.
PATH: SETTINGS
Ö
PRODUCT SETUP
ÖØ
COMMUNICATIONS
ÖØ
DNP PROTOCOL
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DNP NETWORK CLIENT ADDRESSES
The
DNP UNSOL RESPONSE FUNCTION
should be “Disabled” for RS485 applications since there is no collision avoidance
mechanism. The
DNP UNSOL RESPONSE TIMEOUT
sets the time the C60 waits for a DNP master to confirm an unsolicited
response. The
DNP UNSOL RESPONSE MAX RETRIES
setting determines the number of times the C60 retransmits an unsolic-
ited response without receiving confirmation from the master; a value of “255” allows infinite re-tries. The
DNP UNSOL
RESPONSE DEST ADDRESS
is the DNP address to which all unsolicited responses are sent. The IP address to which unsolic-
ited responses are sent is determined by the C60 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 C60 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
DNP VOLTAGE SCALE FACTOR
setting is set to “1000”,
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 C60 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 determine when to trigger unsolicited responses containing analog input data. These
settings group the C60 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 C60 when any current values change by 15 A, the
DNP CURRENT DEFAULT DEADBAND
setting
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 C60, the default deadbands will be in effect.
The
DNP TIME SYNC IIN PERIOD
setting determines how often the Need Time Internal Indication (IIN) bit is set by the C60.
Changing this time allows the DNP master to send time synchronization commands more or less often, as required.
„
DNP CHANNELS
„
DNP CHANNEL 1 PORT:
NETWORK
Range: NONE, COM1 - RS485, COM2 - RS485,
FRONT PANEL - RS232, NETWORK - TCP,
NETWORK - UDP
MESSAGE
DNP CHANNEL 2 PORT:
COM2 - RS485
Range: NONE, COM1 - RS485, COM2 - RS485,
FRONT PANEL - RS232, NETWORK - TCP,
NETWORK - UDP
„
DNP NETWORK
„
CLIENT ADDRESSES
CLIENT ADDRESS 1:
0.0.0.0
Range: standard IP address
MESSAGE
CLIENT ADDRESS 2:
0.0.0.0
Range: standard IP address
MESSAGE
CLIENT ADDRESS 3:
0.0.0.0
Range: standard IP address
MESSAGE
CLIENT ADDRESS 4:
0.0.0.0
Range: standard IP address
MESSAGE
CLIENT ADDRESS 5:
0.0.0.0
Range: standard IP address
NOTE