
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
4-1
8 Series Protective Relay Platform
Chapter 4: DNP Protocol
GE
Grid Solutions
DNP Protocol
Path:
Setpoints > Device > Communications > DNP protocol
DNP Channel (1 or 2) Port
Range: NONE, NETWORK - TCP, NETWORK - UDP
Default: NONE
The
DNP Channel 1 Port
and
DNP Channel 2 Port
settings select the communications
port assigned to the DNP protocol for each channel. 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.
DNP Address
Range: 0 to 65519 in steps of 1
Default: 65519
The DNP address sets the DNP slave address. This number identifies the 8 Series relay on
a DNP communications link. Each DNP slave must be assigned a unique address.
DNP Client Address 1 (2)
Range: standard IP address
Default: 0.0.0.0
The DNP Client Address settings can force the 8 Series relay to respond to a maximum of
two specific DNP masters.
DNP TCP/UDP Port 1 (2)
Range: 1 to 65535 in steps of 1
Default: 2000
NOTE
NOTE:
“DNP Channel 1 Port” will take the “
DNP TCP/UDP Port 1
” and “
DNP Client Address 1
” to
allow/reject connections. The same relation is used by channel 2.
DNP Unsol Resp Function
Range: Enabled, Disabled
Default: Disabled
This setting will take effect for Ethernet communication only if the main card is present
or a comms card is available in the device. This setting enables/disables the unsolicited
response functionality. It is disabled for RS485 applications since there is no collision
avoidance mechanism.
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