Keithley 2010 User Manual

SREal will select the binary IEEE754 single precision data format.
Figure 5-2 shows the normal byte order format for each data element. For
example, if three valid elements are specified, the data string for each reading
conversion is made up of three 32-bit data blocks. Note that the entire data
string is preceded by a single 2-byte header that is the binary equivalent of an
ASCII # sign and 0.
DREal selects the binary IEEE754 double precision data format and is shown
in Figure 5-3 (normal byte order shown). This format is similar to the single
precision format except that it is 64 bits long.
Byte 1
70
Header
# 0
Byte 2
70
Byte 3
70
Byte 4
70
se f
s = sign bit (0 = positive, 1 = negative)
e = exponent bits (8)
f = fraction bits (23)
Normal byte order shown. For swapped byte order,
bytes sent in reverse order: Header, Byte 4, Byte 3,
Byte 2, Byte 1.
The Header is only sent once for each measurement conversion.
Fi
gure
5
-
2
I
EEE754 single
p
recision data format
(32 data bits)
entire reading string
Byte 1
70
Header Byte 2
70
Byte 7
70
Byte 8
70
se f
# 0
s = sign bit (0 = positive, 1 = negative)
e = exponent bits (11)
f = fraction bits (52)
Normal byte order shown. For swapped byte order,
bytes sent in reverse order: Header, Byte 8,
Byte 7 .... Byte 1.
The Header is only sent once for each measurement conversion.
Bytes 3, 4, 5, and 6 not shown.
s = sign bit (0 = positive, 1 = negative)
e = exponent bits (11)
f = fraction bits (52)
Normal byte order shown. For swapped byte order,
bytes sent in reverse order: Header, Byte 8,
Byte 7 .... Byte 1.
The Header is only sent once for each measurement conversion.
Bytes 3, 4, 5, and 6 not shown.
Fi
gure
5
-
3
I
EEE754 double
p
recision data format
(64 data bits)
entire reading string
SCPI Command Reference 5-29

Keithley 2010 Specifications

General

Brand	Keithley
Model	2010
Category	Multimeter
Language	English