Valve HandSwitch Indicator symbol component

Handswitch and computer mode icons appear next to the head of valve symbols. A handswitch icon indicates that a valve is under manual control. A computer mode icon indicates that a valve is under the control of an HMI application.

Typically, a computer mode icon and a hand switch icon are used together. When the handswitch icon appears with a computer mode icon, the valve has been placed into manual mode by the controlling HMI application. When the handswitch icon appears by itself, the valve has been placed in manual mode locally at the valve and is no longer controlled by the HMI application.

A handswitch and computer mode icons are the same size and always placed at the same location next to the symbol. When both indicators are used together, the handswitch indicator always overlays the computer mode icon to indicate that manual control always supercedes HMI control.

To configure a valve handswitch indicator