RS485 INTERFACE
Selection of standard
information numbers
in control direction
Basic application
functions
1–20
Table 12: Generic functions in monitor direction
INF
□
<240>
□
<241>
□
<243>
□
<244>
□
<245>
□
<249>
□
<250>
□
<251>
Table 13: System functions in control direction
INF
⊠
<0>
⊠
<0>
Table 14: General commands in control direction
INF
□
<16>
□
<17>
□
<18>
□
<19>
□
<23>
□
<24>
□
<25>
□
<26>
Table 15: General functions in control direction
INF
□
<240>
□
<241>
□
<243>
□
<244>
□
<245>
□
<248>
□
<249>
□
<250>
□
<251>
□
Test mode
□
Blocking of monitor direction
□
Disturbance data
□
Generic services
□
Private data
CHAPTER 1: COMMUNICATIONS GUIDE
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
End of general interrogation of generic data
Write entry with confirmation
Write entry with execution
Write entry aborted
Semantics
Initiation of general interrogation
Time synchronization
Semantics
Auto-recloser on / off
Teleprotection on / off
Protection on / off
LED reset
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
345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE