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Section

8: TSP command reference Model 2450 Interactive SourceMeter® Instrument

Reference Manual

8-46 2450-901-01 Rev. B/September 2013

Example

data = digio.readport()

print(data)

Assume lines 2, 4, and 6 are set high when the

I/O port is read.

Output:

This is binary 10101010

Also see

digio.writeport() (on page 8-46)

Digital I/O port (on page 3-62)

digio.writeport()

This function writes to all digital I/O lines.

Type TSP-Link accessible

Affected by Where saved Default value

Function

Yes

Usage

digio.writeport(data)

data

The value to write to the port (0 to 63)

Details

The binary representation of the value indicates the output pattern to be written to the I/O port. For example, a

value of 63 has a binary equivalent of 111111 (all lines are set high); a data value of 42 has a binary equivalent

of 101010 (lines 2, 4, and 6 are set high, and the other 3 lines are set low).

An instrument reset does not affect the present states of the digital I/O lines.

Example

digio.writeport(63)

Sets digital I/O lines 1 through 6 high (binary

111111).

Also see

digio.readport() (on page 8-45)

Digital I/O port (on page 3-62)

Keithley 2450 User Manual

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