Keithley 2657A, Reference Manual, Page: 371 / 805

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)