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CHAPTER 6: SETPOINTS
IEC 60870-5-103 serial
communication
IEC60870-5-104
protocol
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
MODBUS SLAVE ADDRESS
Range: 1 to 254 in steps of 1
Default: 254
This setting specifies the Modbus slave address . Each device must have a unique
address from 1 to 254. Address 0 is the broadcast address to which all Modbus slave
devices listen. Addresses do not have to be sequential, but no two devices can have the
same address or conflicts resulting in errors will occur. Generally, each device added to
the link should use the next higher address starting at 1.
Please refer to the 3 Series Communications Guide for details on how to set up the Modbus
communications protocol.
Figure 6-6: IEC 60870-5-103 serial communications settings
PATH:
SETPOINTS > S1 RELAY SETUP > COMMUNICATIONS > IEC61870-5-103
Please refer to the 3 Series Communications Guide for details on how to set up the IEC
60870-5-103 serial communications protocol.
For a complete list of Binary inputs, see Format Code FC134B in the 3 Series
Communications Guide. Note that the format codes differ for each relay model.
Figure 6-7: IEC 60870-5-104 protocol settings
PATH:
SETPOINTS > S1 RELAY SETUP > COMMUNICATIONS > IEC61870-5-104
Please refer to the 3 Series Communications Guide for details on how to set up the
IEC 60870-5-104 protocol.
For a complete list of Binary inputs, see Format Code FC134B in the 3 Series
Communications Guide. Note that the format codes differ for each relay model.
S1 RELAY SETUP
6–15
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