Sekonic SR-430 Especificações descarregar pdf (Página 33)

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(4) Communication control method

This device has the following two unreceivable states. In these states, set the communication timing

by the host computer.

1. Due to half-duplex communication, data reception is disabled while the device is sending data.

2. Data reception is disabled while the device is executing a command or the internal communica-

tion buffer is full.

The device notifies this state using an RS signal.

(5) Control line level

CS: The device sends data when this signal is at the high level.

RS: The device outputs low-level RSs in the unreceivable state.

DR: The device outputs high-level DRs while the power is turned on.

Signal level

High: +3V to +12V

Low: -3V to -12V

The following signals are only available to use RS-232C connection.

(6) Signal name and pin connection

langiS

retupmoclanretxE

noitceridlangiS

ecivedsihT

langiSniPniPlangiS

)DNG(

)dnesotataD(

)eviecerotataD(

)dneSottseuqeR(

)dneSotraelC(

)ydaeRtesataD(

)DNGlangiS(

DNG

6.Connection to Computer

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Sekonic SR-430 Especificações Página 33