SCADA Communications
MiCOM P40 Agile P442, P444
CONTENTS
1
SCADA COMMUNICATIONS
1.1
Introduction
1.2
Rear port information and connection advice – EIA(RS)485 protocols
1.2.1
Rear communication port EIA(RS)485 interface
1.2.2
Courier communication
1.2.3
MODBUS communication
1.2.4
IEC 60870-5 CS 103 communication
1.2.5
DNP3.0 communication
1.3
Second rear communication port (SK4)
1.4
Ethernet communication
1.4.1
Legacy Protocols
1.4.2
Hot-standby Ethernet failover
2
COURIER INTERFACE
2.1
Courier protocol
2.2
Supported command set
2.3
Relay courier database
2.4
Setting changes
2.4.1
Setting transfer mode
2.5
Event extraction
2.5.1
Automatic event extraction
2.5.2
Event types
2.5.3
Event format
2.5.4
Manual event record extraction
2.6
Disturbance record extraction
2.7
Programmable scheme logic settings
3
MODBUS INTERFACE
3.1
Communication link
3.2
MODBUS functions
3.3
Response codes
3.4
Register mapping
3.5
Event extraction
3.5.1
Manual selection
3.5.2
Automatic extraction
3.5.3
Record data
3.6
Disturbance record extraction
3.6.1
Extraction mechanism
3.6.2
Extraction procedure
3.6.3
Extracting the disturbance data
3.7
Setting changes
P44x/EN SC/Hb6
(SC) 12-3
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