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944-0140 D20MX Substation Gateway ... - GE Digital Energy

944-0140 D20MX Substation Gateway ... - GE Digital Energy

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Peripherals<br />

CHAPTER 1: BEFORE YOU START<br />

Peripheral I/O modules are intelligent modules containing an on-board microprocessor.<br />

They are configured as slaves to the <strong>D20MX</strong> processor board. In this way, specific I/O<br />

processing is distributed throughout the RTU to the appropriate I/O module.<br />

There are five types of I/O peripherals:<br />

• D20A analog input<br />

• D20S digital inputs<br />

• D20K digital output<br />

• D20C combination input/output<br />

• D20AC alternating current analog input<br />

Optional high-voltage peripherals are also available.<br />

22 <strong>GE</strong>NERAL <strong>D20MX</strong> HARDWARE USER’S MANUAL

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