Appearance
Multi-Port Valve
A smart-object symbol for a 3-way or 4-way valve, showing which ports are currently connected.
In Studio
In Studio, double-click Multi-Port Valve in the Process category of the Components panel. It is added to the open view, where you can drag it into place.
When to use
Use Multi-Port Valve for a diverter or selector valve with more than two ports — a standard Valve's single-stem body cannot represent more than two connections.
Properties
| Property | Type | Default | Description |
|---|---|---|---|
| Value | String | (none) | The overall device state — same Closed/Open/Fault contract as Valve's Value, used for the whole-symbol paint on Fault or when there is no live data. |
| Flow Path | String | (none) | Which ports are currently connected, as any text naming their port letters (e.g. AB, A,B, A/B all mean ports A and B are connected). A port named in Flow Path renders in the open color; every other port renders in the closed color. A value that names no known port renders every port closed, and an open valve with no named port is captioned NO PATH. A closed valve draws every port closed whatever Flow Path says. |
| Ports | 3, 4 | 3 | Number of ports: 3 (default) or 4. |
| Orientation (stem port) | down, right, up, left | down | Which way the stem port (C) points: down (as drawn, default), right, up, or left. The whole valve turns; the caption stays upright. |
| Label | String | Valve | The caption shown below the symbol. |
| Show Caption | true, false | true | Shows or hides the caption (the name and state word) under the symbol. Off also gives that height back to the drawing — use it when a separate label template sits beside the symbol. |
| Closed Color | Color | #808080 | The color for a port not on the current flow path. Defaults to the HMI palette's stopped-state color. |
| Open Color | Color | #FFFFFF | The color for a port on the current flow path. Defaults to the HMI palette's running-state color. |
| Fault Color | Color | #E12D39 | The whole-symbol color on Fault. Defaults to the HMI palette's priority-1 alarm color. |
Binding
Click Bind… on the Value property and bind it to a tag or an expression to drive the live value.
This binding is read-only — the component never writes to the tag.
Flow Path is a second, independent binding — see that field. Per-port coloring only applies while the overall state is Closed or Open; a Fault or no-data state paints the whole symbol instead of per-port, since neither state has a trustworthy flow path.