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Digital I/O Wiring Connections

The SeaDAC 8227 modules include eight optically isolated inputs that are arranged

such that each group of four inputs shares a single common. The four I/O points and

shared common are connected via a five-position removable screw terminal.

The SeaDAC 8227 modules provide eight open-collector digital outputs. The outputs

do not source any current and must be connected to an external power source, max

30VDC. The outputs act as a switch and the circuit is open until energized. When

the output circuit is energized in software, the output sinks the current to ground,

closing the circuit.

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SeaDAC User Manual

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Impulse 8224 Bedienungsanleitung Seite 37