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3151 And 3151A User Manual
Using The Instrument 3-27
this order.
When sending binary blocks to the Model 3151/3151A, the final byte
must be transmitted with the EOI bit set. Carriage Return and Line
Feed will not be detected as terminators. This permits the values
OD
HEX
and OA
HEX
to be used as data points.
The IEEE-STD-488.2 definition of Definite Length Arbitrary Block
Data Format is demonstrated in Figure 3-1.
Figure 3-1, Definite Length Arbitrary Block Data Format
6-bits of data are sent to the Model 3151/3151A although only 12 bits
are required to generate the waveform. The order of bytes and bits
and their values are shown in Figure 3-2.
"#"
non-zero
ASCII digit
ASCII digit
Start of
Data Block
Number of Digits
to Follow in header
Byte Count: 2 x
Number of Points
Waveform Data Point:
2 bytes
High Byte
(Binary)
Low Byte
(Binary)
Header section (ASCII)
Binary section (binary)
Summary of Contents for 3151
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