Atlona Help Center

KB01573 - How to connect a screen to the VCC-Relay using SPST

Subject: How to connect a screen to the VCC-Relay using SPST

SKU: AT-VCC-RELAY-KIT

Challenge: How to connect the Up, Down, and Common to a Low Voltage Screen

Resolution:

See diagram below for connector reference:

2019-01-24_07h30_11.png

The recommended connection for a screen would be SPDT - single pole double throw. An alternative way of configuring your screen would be SPST - single pole single throw. This would be used in an application where your screen requires a momentary contact closure rather than a latched contact closure.

In Velocity:

Navigate to Room Control Options

Select Event Macros

Create an Event Macro for Room On. Notice the 1000ms delay in between commands. This will hold the relay high for one second and then set it back to low.2019-03-05_14h12_27.png

Create an Event Macro for Room Off. Notice the 1000ms delay in between commands. This will hold the relay high for one second and then set it back to low.

2019-03-05_14h12_44.png

Article ID: KB01573

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