CHAPTER 2: PRODUCT DESCRIPTION 2.2 ANSI DEVICE NUMBERS AND FUNCTIONS
GEK-106310-AF F650 DIGITAL BAY CONTROLLER 2-3
2.2 ANSI device numbers and functions
Main features available in the relay are gathered in tables below
** These functions are available for firmware version 7.50 or above
DEVICE NUMBER PROTECTION & CONTROL FUNCTIONS
25 Synchronism Check
27/27X Bus/Line Undervoltage
32 Sensitive Directional Power
32FP Forward Power
32N Wattmetric Zero-Sequence Directional
46 Negative Sequence Time Overcurrent
47 Negative Sequence Voltage
48 Locked Rotor
49 Thermal Image - overload protection
50 BF Breaker Failure
50PH/PL Phase Instantaneous Overcurrent (High/Low)
50N Neutral Instantaneous Overcurrent
50G Ground Instantaneous Overcurrent
50SG Ground Instantaneous Overcurrent for sensitive ground systems (measured from 5
th current
transformer input)
50IG Isolated Ground Instantaneous Overcurrent (measured from 5
th current transformer input)
51N Neutral Time Overcurrent
51G Ground Time Overcurrent
51SG Sensitive Ground Time Overcurrent
51PH/V Voltage Restraint Phase Time Overcurrent
51PL/V Voltage Restraint Phase Time Overcurrent
59/59X Bus/Line Overvoltage
59NH/NL Neutral Overvoltage - High/Low
67P Phase Directional Overcurrent
67N Neutral Directional Overcurrent
67SG Sensitive Ground Directional Overcurrent
79 Autoreclose (Four shot recloser)
81 U/O Under/Over Frequency Broken Conductor Detection
N/A Load Encroachment
N/A Broken Conductor
81df/dt Frequency Rate of Change
VTFF VT Fuse Failure Detection
60CTS Failure Current Transformer Failure **
2nd Harmonic
Inhibit
Second Harminic Inhibit **
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