
Agilent B1500A/B1505A Programming Guide, Edition 11 1-53
Programming Basics
Data Output Format
H Data count for the time data. This value is expressed in 6 bytes binary data. The time
data can be calculated by the following formula.
Time = Count / 1000000
where, Count is the decimal value of H.
If the top bit of H is 0, Count is positive and equal to the value given by the
following 47 bits.
If the top bit of H is 1, Count is negative. Calculate Count by subtracting
140737488355328 (100000000000000000000000000000000000000000000000 in
binary) from the value given by the following 47 bits.
H=100000000000000000000000000000000000000000000000 means invalid data.
Example:
If the output binary data is:
0000001100000000000000000000000000000001100001101010000000000001
then,
Type: Data other than the measurement data (A=0)
Parameter: Time (B=0000011)
Count: 100000 (H=
000000000000000000000000000000011000011010100000)
Channel: SMU1 (channel number 1) (F=00001)
Time data = 100000 / 1000000 = 0.1 second
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