Section 3 Vendor-specific implementation
3.1 DNP 3.0 link modes
3.1.1 DNP 3.0 serial link mode
DNP 3.0 serial can be assigned to a serial communication port in the IED. Serial
communication ports are named COM1...COMn, depending on how many serial ports
the 615 series IED hosts..
DNP 3.0 protocol ignores any parity setting in the COM settings
group; DNP 3.0 is defined as an 8 bit/no parity protocol with a 16-bit
CRC every 16 bytes. This provides better error detection than parity.
3.1.2 DNP 3.0 TCP/IP mode
DNP 3.0 TCP/IP link mode is supported by the IED.
The IED listens for a connection from a DNP 3.0 master on port 20000.
Documentation concerning DNP 3.0 TCP/IP communication is available from
www.dnp.org .
3.2 DNP 3.0 point list
3.2.1 Binary input points
The binary input event buffer size is set to allow 200 events. Events that occur after
buffer overflow are discarded.
Table 1: Binary input poins
Description
Value
Static (steady-state) object number 1
Change event object number 2
Static variation reported when variation 0
requested (default setting)
1 (binary input without status)
Change event variation reported when variation 0
requested (default setting)
2 (binary input change with time)
1MRS756709 A Section 3
Vendor-specific implementation
615 series 13
Communication Protocol Manual
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