GE 345

1–20 345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
RS485 INTERFACE CHAPTER 1: COMMUNICATIONS GUIDE
Table 12: Generic functions in monitor direction
Selection of standard
information numbers
in control direction
Table 13: System functions in control direction
Table 14: General commands in control direction
Table 15: General functions in control direction
Basic application
functions
INF Semantics
□ <240> Read headings of all defined groups
□ <241> Read values or attributes of all entries of one group
□ <243> Read directory of a single entry
□ <244> Read value or attribute of a single entry
□ <245> End of general interrogation of generic data
□ <249> Write entry with confirmation
□ <250> Write entry with execution
□ <251> Write entry aborted
INF Semantics
⊠ <0> Initiation of general interrogation
⊠ <0> Time synchronization
INF Semantics
□ <16> Auto-recloser on / off
□ <17> Teleprotection on / off
□ <18> Protection on / off
□ <19> LED reset
□ <23> Activate characteristic 1
□ <24> Activate characteristic 2
□ <25> Activate characteristic 3
□ <26> Activate characteristic 4
INF Semantics
□ <240> Read headings of all defined groups
□ <241> Read values or attributes of all entries of one group
□ <243> Read directory of a single entry
□ <244> Read value or attribute of a single entry
□ <245> General interrogation of generic data
□ <248> Write entry
□ <249> Write entry with confirmation
□ <250> Write entry with execution
□ <251> Write entry abort
□ Test mode
□ Blocking of monitor direction
□ Disturbance data
□ Generic services
□ Private data