Wahsega Labs WL-IC-FLMT-SIP-I-W, Руководство по установке

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Auxiliary Output Configurations

External Relay

Externally Powered Device
External Relay:
An external relay is normally used to switch a voltage or current which is
beyond the direct switching capabilities of the Auxiliary Output.
Examples are higher voltages or AC signals. In this configuration, the
5V DC relay coil high side (if polarized) should be wired to Pin 1 and the
low side wired to Pin 3. The output side of the relay should be rated for
the required load.