GE L60 Instruction Manual page 157

Line phase comparison system, ur series
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5 SETTINGS
MESSAGE
MESSAGE
The L60 supports the Distributed Network Protocol (DNP) version 3.0. The L60 can be used as a DNP slave device con-
nected to multiple DNP masters (usually an RTU or a SCADA master station). Since the L60 maintains two sets of DNP
data change buffers and connection information, two DNP masters can actively communicate with the L60 at one time.
The IEC 60870-5-104 and DNP protocols cannot be used simultaneously. When the IEC 60870-5-104 FUNCTION
setting is set to "Enabled", the DNP protocol will not be operational. When this setting is changed it will not become
NOTE
active until power to the relay has been cycled (off-to-on).
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 and DNP CHANNEL 2 PORT settings will take effect only after power has
been cycled to the relay.
NOTE
Do not set more than one protocol to the same TCP/UDP port number, as this results in unreliable operation of
those protocols.
The
setting is the DNP slave address. This number identifies the L60 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
MESSAGE
MESSAGE
MESSAGE
MESSAGE
The
DNP TCP/UDP PORT NUMBER
effect when the L60 is restarted.
GE Multilin
DNP NUMBER OF PAIRED
CONTROL POINTS: 0
DNP TCP CONNECTION
TIMEOUT: 120 s


COMMUNICATIONS
DNP CHANNEL 1 PORT:
NETWORK
DNP CHANNEL 2 PORT:
COM2 - RS485
settings select the communications port assigned to the DNP protocol
DNP CHANNEL 2 PORT
settings can force the L60 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
is for normal DNP operation. To close the port, set the port number to 0. The change takes
L60 Line Phase Comparison System
Range: 0 to 32 in steps of 1
Range: 10 to 300 s in steps of 1
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
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
5.2 PRODUCT SETUP
5
5-19

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