Keysight E4981A - Basic Specifications

Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter 65
Reading Out Measured Result
Data Transfer Format
Binary transfer format
When data is transferred in the binary transfer format, values (binary data) are
transferred in the format shown in Figure 6-6.
Figure 6-6 Binary transfer format
In this data transfer format, a pounds symbol (#) occurs at the beginning. The
2nd byte <digit count> indicates the number of bytes in the <transfer data byte
count> part. The <transfer data byte count> indicates the total number of
bytes of the binary data. <new line><^END> is the message terminator.
Binary data is in the IEEE 754-1985 standard floating point format consisting of
64 bits as shown in Figure 6-7.
Figure 6-7 64-bit floating-point data
Byte order
In binary transfer, data bytes (8 bytes) are transferred from the byte including
the MSB (Most Significant Bit) (the left-most byte in Figure 6-7) through the
byte including the LSB (Least Significant Bit) (the right-most byte in Figure
6-7).
To change the byte order, use the following command:
• :FORMat:BORDer on page 223