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Model 2651A High Power System SourceMeter® Instrument Reference Manual
Section 7: Command reference
2651A-901-01 Rev. A / March 2011
7-53
Example
digio.writeport(255)
Sets digital I/O Lines 1 through 8 high (binary
00000011111111).
Also see
(on page 7-43)
(on page 7-43)
digio.writeprotect
This attribute contains the write-protect mask that protects bits from changes from the
digio.writebit()
and
digio.writeport()
functions.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Attribute (RW)
Yes
Instrument reset
Recall
Saved setups
0
Usage
mask
= digio.writeprotect
digio.writeprotect =
mask
mask
Sets the value that specifies the bit pattern for write-protect
Details
Bits that are set to one cause the corresponding line to be write-protected.
The binary equivalent of
mask
indicates the mask to be set for the I/O port. For example, a mask value of 7 has a
binary equivalent of
00000000000111
. This mask write-protects Lines 1, 2, and 3.
Example
digio.writeprotect = 15
Write-protects Lines 1, 2, 3, and 4
Also see