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From 11:00 PM CDT Friday, Nov 8 - 2:30 PM CDT Saturday, Nov 9, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
240 VAC Output Module for SSR—The SSR‑OAC5A uses a logic TTL signal from a data acquisition device to switch AC and DC loads in a manner similar to conventional relays. If the data acquisition device is sending a logic low, the SSR‑OAC5A is turned on and current can flow. If the device sends a logic high, the SSR‑OAC5A is turned off and current is stopped. Unlike conventional relays, the SSR‑OAC5A has zero voltage turn on of the load. Also, a load voltage and minimum current must be present to maintain the SSR‑OAC5A in the on state.