GE 350 Communications Manual page 29

CHAPTER 2: RS485 INTERFACE
350 FEEDER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
INF
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<23>
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<24>
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<25>
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<26>
Table 2-14: General functions in control direction
INF
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<240>
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<241>
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<243>
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<244>
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<245>
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<248>
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<249>
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<250>
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<251>
Basic application functions
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Test mode
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Blocking of monitor direction
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Disturbance data
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Generic services
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Private data
Miscellaneous
Measurand
Current L1
Current L2
Current L3
Voltage L1-E
Voltage L2-E
Voltage L3-E
Active power P
Reactive power Q
Frequency f
Voltage L1-L2
IEC 60870-5-103 SERIAL COMMUNICATION
Semantics
Activate characteristic 1
Activate characteristic 2
Activate characteristic 3
Activate characteristic 4
Semantics
Read headings of all defined groups
Read values or attributes of all entries of one group
Read directory of a single entry
Read value or attribute of a single entry
General interrogation of generic data
Write entry
Write entry with confirmation
Write entry with execution
Write entry abort
Max. MVAL = times rated value
1,2 or
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2,4
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