CHAPTER 6: SETPOINTS SETPOINTS MAIN MENU
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–5
• Logic: Described with basic logic gates (AND, OR, XOR, NAND, NOR). The inverter
(logical NOT), is shown as a circle: â—‹.
Setting text abbreviations
The following abbreviations are used in the setpoints pages.
•A: amperes
• kA: kiloamperes
•V: volts
• kV: kilovolts
• kW: kilowatts
•kVar: kilovars
• kVA: kilo-volt-amperes
• AUX: auxiliary
• COM, Comms: communications
•CT: current transformer
• GND: ground
•Hz: Hertz
• MAX: maximum
• MIN: minimum
• SEC, s: seconds
• UV: undervoltage
• OV: overvoltage
• VT: voltage transformer
•Ctrl: control
• Hr & hr: hour
•O/L: overload
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