CHAPTER 4: INTERFACES FRONT PANEL INTERFACEG30 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4-214The letters T, S, B, R, and X next to a controllable element have the following meaning. An example (TSB) is shown in thenext figure.• T — The element is "tagged." Local and remote control of the device are inhibited, both open and close. Tripping isunaffected unless additional logic has been configured.• S — The position indication of the device is substituted with a manually entered value• B — Blocking open/close command is bypassed• R — Autoreclose is enabled and not blocked• X — The device is out-of-service and control is not availableSingle-line diagram exampleThe following example outlines how to create a circuit breaker diagram, then how to close the second circuit breaker. Thefigure shows six switches (SW, M), two breakers (CB), feeder (arrow), and ground (lined arrow).Figure 4-25: Single-line diagram of open circuit breakersUnder Settings > System Setup > Switches and Breakers, enable and name the six switches and two breakers. Switch 6,M568G, has the A/3 Pole Opened setting on.
