The SeaDAC Lite 8112 digital interface adapter control and monitors four optically isolated inputs and four Form C (SPDT) relay outputs via any USB connection. Inputs can range from 5-30 Vdc and provide 3,500 Vdc (2,500 Vac RMS) isolation to ground, while the high-current Form C relays can switch up to 6 A loads at 250 Vac and up to 5 A at 60 Vdc. Form C relays can be wired for either normally open or normally closed operation. Each Form C relay has a discrete common, and each pair of inputs shares a common. Status LEDs display I/O activity and field wiring is simplified via 3.5-mm removable terminal blocks.
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