14-4
FORMat and Misc SYSTem Commands
Model 2750 Multimeter/Switch System User’s Manual
Figure 14-2
IEEE-754 data formats
s
# 0
7
0 7
0 7
0 7
0
e
f
Header
Byte 1
Byte 2
Byte 3
Byte 4
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.
A. Single precision data format (32 data bits)
s
# 0
7
0 7
0
7
0 7
0
e
f
Header
Byte 1
Byte 2
Byte 7
Byte 8
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.
B. Double precision data format (64 data bits)
2750-900-01.book Page 4 Wednesday, August 3, 2011 7:56 AM
Summary of Contents for 2750
Page 3: ...2750 900 01 book Page 2 Wednesday August 3 2011 7 56 AM...
Page 7: ...2750 900 01 book Page 4 Wednesday August 3 2011 7 56 AM...
Page 17: ...2750 900 01 book Page 10 Wednesday August 3 2011 7 56 AM...
Page 324: ...12 CommonCommands 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Page 348: ...15 SCPIReferenceTables 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Page 374: ...B Model7700ConnectionGuide 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Page 386: ...C StatusandErrorMessages 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Page 394: ...D SignalProcessing SequenceandDataFlow 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Page 408: ...E MeasurementConsiderations 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Page 428: ...G IEEE 488BusOverview 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...