Figure 3-1, Definite Length Arbitrary Block Data Format - Racal Instruments 3151 User Manual

3151 And 3151A User Manual
Start of
Data Block
Number of Digits
to Follow in header

Figure 3-1, Definite Length Arbitrary Block Data Format

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 and OA
HEX
The IEEE-STD-488.2 definition of Definite Length Arbitrary Block
Data Format is demonstrated in Figure 3-1.
Header section (ASCII)
non-zero
"#"
ASCII digit
Byte Count: 2 x
Number of Points
Waveform Data Point:
2 bytes
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.
to be used as data points.
HEX
Binary section (binary)
High Byte
ASCII digit
(Binary)
Low Byte
(Binary)
Using The Instrument 3-27