Eaton EMR-3MP0 - Page 273

ANSI EMR-3MP0 Functions
67 Directional Overcurrent
67N Directional Neutral Overcurrent
67Ns Sensitive Directional Neutral Overcurrent
68 Power Swing Blocking
74TC Trip Circuit Supervision
78 Out of Step Tripping
78V Vector Surge Protection
79 Auto Reclosure
81 Frequency Protection
81U Underfrequency Protection
81O Overfrequency Protection
81R ROCOF (df/dt)
86 Lock Out
87 Di󰊍erential Protection (Generator/Transformer/Busbar)
87B Busbar Di󰊍erential Protection
87G Generator Di󰊍erential Protection
87GN Generator Ground Di󰊍erential Protection
87M Motor Di󰊍erential Protection
87SV Open CT Supervision (see also 87 / 87B)
87T Transformer Di󰊍erential Protection
87TN Transformer Ground Di󰊍erential Protection
CLK IRIG-B, … Clock synchronization (e. g. via IRIG-B)
DDR Waveform
recorder
Non-fault disturbance recording
DFR Fault recorder Digital fault recording
LGC Logic Logic, scheme
MET Measured Values Substation metering (energy, amps, volts, watts, vars, power factor,
demand)
SER Event recorder Time-tagged event data
TCM Trip circuit monitor / supervision
273www.eaton.comEMR-3MP0
11 Appendix
11.3 List of ANSI Codes