Digital Power Meter 66200 Series User’s Manual
5.5.2 Data Formats
All data programmed to or returned from the Power meter are ASCII. The data can be
numerical or character string.
Numerical Data Formats
Symbol Description Example
<NR1> It is a digit with no decimal point. The decimal is assumed to
be at the right of the least significant digit.
123 , 0123
<NR2> It is a digit with a decimal point. 12.3 , .123
Character Data Format
The character strings returned by query command may take either of the following forms:
<CRD> Character Response Data : character string with maximum length of 12.
<SRD> String Response Data : character string.
Arbitrary Block Data Format
The arbitrary block data returned by query command may take either of the following forms:
<DLABRD> Definite Length Arbitrary Block Response Data:
The <DLABRD> is formatted as:
#<x><yy...y><byte1><byte2><byte3><byte4>…<byteN><RMT>
Where,
<x> is the number of characters in <yy…y>.
<yy…y> is the number of bytes to transfer.
For example, if <yy…y> = 01024, then <x> = 5 and <byte1><byte2><byte3>…<byte1024>
<ILABRD> Indefinite Length Arbitrary Block Response Data:
The <ILABRD> is formatted as:
#<0><byte1><byte2><byte3><byte4>…<byteN><RMT>
5.6
5.6.1
Basic Definition
Command Tree Table
The commands of the Power meter are based on a hierarchical structure, also known as a tree
system. In order to obtain a particular command, the full path to that command must be
specified. This path is represented in the table by placing the highest node in the farthest left
position of the hierarchy. Lower nodes in the hierarchy are indented in the position to the
right, below the parent node.
5-4
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