Sensoray 118 Manuale Utente Scaricare il pdf (Pagina 19)

Sensoray Model 118 Smart A/D™ Instruction Manual 17 Commands: Board Configuration

6.1.4 SetReject50Hz

Increases the digitizer’s integration period from 16.7

milliseconds (default) to 20.0 milliseconds, enabling the

Smart A/D to better reject 50Hz differential noise.

This function should be used in systems targeted for

50Hz power environments.

A board reset will restore the board to the default 60Hz

rejection mode. This is the only way to return to the

60Hz rejection mode after invoking the SetReject50Hz

function.

When the 50Hz rejection mode is active, any attempt to

invoke this command again will be ignored.

Driver

// Switch a Smart A/D board to the 50Hz rejection mode.

VOID SetReject50Hz( USHORT BasePort )

{

SendByte( BasePort, CMD_SET_REJECT50HZ );

}

Example

// Configure a board to operate in the 50Hz rejection mode.

SetReject50Hz( MyBasePort );

Command: (72)

Response: None

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Sensoray 118 Manuale Utente Pagina 19