3-30 SR3 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
IEC60870-5-104 PROTOCOL CHAPTER 3: ETHERNET INTERFACE
IEC 60870-5-104 protocol settings
Select the Settings > Communications > IEC 60870-5-104 > Protocol menu item to open
the IEC 60870-5-104 protocol configuration window.
NOTE:
The Client Address setpoints marked "*" are shared with DNP, as only one protocol can be
active at a time.
The 3 Series relay can be used as an IEC 60870-5-104 slave device connected to a
maximum of two masters (usually either an RTU or a SCADA master station). Since the 3
Series relay
maintains two sets of IEC 60870-5-104 data change buffers, no more than two
masters should actively communicate with the 3 Series relay
at one time. Five client
address settings are used to filter which master is suitable for communicating with 3 Series
relay.
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.
If IEC Cyclic Data Period is set to 0 there will be no cyclic data response.
Some other settings can be added to select the first address of the different Object
Information. These settings can be removed to be consistent with the UR but are very
useful for integrating the relay into a system.
By default, the Object Information Address for the different data will be as follows:
M_SP (Single Points) = 1000
M_ME (Measured Value) = 2000
M_IT (Integrated Totals) = 3000
C_SC or C_DC (Single or Double Command) = 4000
Settings Range Default
GENERAL
IEC 60870-5-104 Function Disabled, Enabled Disabled
IEC TCP Port 1 to 65535 2404
IEC Common Address of ASDU 0 to 65535 0
IEC Cyclic Data Period 0 to 65535 s 60 s
IEC TCP Connection Timeout 10 to 300 s 120 s
Fault Report Mapping in DNP/104 Disabled, Enabled Disabled
CLIENT ADDRESS
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
Settings Range Default
Object Information Address Binary 1 to 16777215 1000
Object Information Address Analog 1 to 16777215 2000
Object Information Address Counters 1 to 16777215 3000
Object Information Address Command 1 to 16777215 4000
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