Keithley 2657A User Manual

Section 7: TSP command reference Model 2657A High Power System SourceMeter® Instrument Reference Manual
7-58 2657A-901-01 Rev. B/December 2012
digio.writebit()
This function sets a digital I/O line high or low.
Type TSP-Link accessible
Affected by Where saved Default value
Function Yes
Usage
digio.writebit(N, data)
N
Digital I/O trigger line (1 to 14)
data
The value to write to the bit:
• 0 (low)
• Non-zero (high)
Details
If the output line is write-protected using the digio.writeprotect attribute, the command is ignored.
The reset() function does not affect the present state of the digital I/O lines.
Use the digio.writebit() and digio.writeport() commands to control the output state of the
synchronization line when trigger operation is set to digio.TRIG_BYPASS.
The data must be zero (0) to clear the bit. Any value other than zero (0) sets the bit.
Example
digio.writebit(4, 0)
Sets digital I/O line 4 low (0).
Also see
digio.readbit() (on page 7-49)
digio.readport()
(on page 7-50)
digio.trigger[N].mode
(on page 7-52)
digio.writeport()
(on page 7-58)
digio.writeprotect
(on page 7-59)
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
Value to write to the port (0 to 16383)

Keithley 2657A Specifications

General

Brand	Keithley
Model	2657A
Category	Measuring Instruments
Language	English