GE 345

CHAPTER 1: COMMUNICATIONS GUIDE RS485 INTERFACE
345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE 1–19
Table 9: Fault indications in monitor direction
Table 10: Auto-reclosure indications in monitor direction
Table 11: Measurands in monitor direction
INF Semantics 345 Identifier 345 Data Text
□ INF Semantics 345 Identifier 345 Data Text
□ <64> Start / pick-up L1
□ <65> Start / pick-up L2
□ <66> Start / pick-up L3
□ <67> Start / pick-up N
□ <68> General trip
□ <69> Trip L1
□ <70> Trip L2
□ <71> Trip L3
□ <72> Trip I>> (back-up operation)
□ <73> Fault location X in ohms
□ <74> Fault forward / line
□ <75> Fault reverse / busbar
□ <76> Teleprotection signal transmitted
□ <77> Teleprotection signal received
□ <78> Zone 1
□ <79> Zone 2
□ <80> Zone 3
□ <81> Zone 4
□ <82> Zone 5
□ <83> Zone 6
□ <84> General start / pick-up
□ <85> Breaker failure
□ <86> Trip measuring system L1
□ <87> Trip measuring system L2
□ <88> Trip measuring system L3
□ <89> Trip measuring system E
□ <90> Trip I>
□ <91> Trip I>>
□ <92> Trip IN>
□ <93> Trip IN>>
INF Semantics 345 Identifier 345 Data Text
□ <128> CB ‘on’ by AR
□ <129> CB ‘on’ by long-time AR
□ <130> AR blocked
INF Semantics 345 Identifier 345 Data Text
□ <144> Measurand I
□ <145> Measurands I, V
□ <146> Measurands I, V, P, Q
□ <147> Measurands In, Ven
□ <148> Measurands IL123, VL123, P, Q, f