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Section 3 Command Descriptions

3.13

HANDSHAKE Hn

The

Handshake

control command enables software control of the handshake

lines, independent of any other I/O operations. When the

Digital232

receives an

command, the respective handshake line is pulsed for approximately 50 microseconds.

It returns to its steady-state condition after pulsing. The

Invert

command may be

used to change the active state of any of the handshake lines.

The

Clear

line is pulsed

The

Strobe

line is pulsed

The

Trigger

line is pulsed

Example:

The

Strobe

line is pulsed

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 58 59

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Measurement-computing Digital232 Manuale Utente Pagina 35