Part of a series of articles on. Analytical psychology (sometimes analytic psychology), also called Jungian psychology, is a school of psychotherapy which originated in the ideas of Carl Jung, a Swiss psychiatrist. It emphasizes the importance of the individual psyche and the personal quest for wholeness.
For any application where human oversight is needed, a Standard Stop/Start PB station should be combined with the HOA. The function of a HOA (Hand-Off-Auto) selector switch is to control whether a motor is in hand (manual) mode, auto mode, or off. To operate the motor while hand mode is selected, start and stop push buttons are usually used.
It comes from the power system (0 means off). IEC 5010, the power on-off symbol (line within a circle), is used on buttons that switch a device between on and fully off states. IEC 5009, the standby symbol (line partially within a broken circle), indicates a sleep mode or low power state.