Indicates the length of data read. For Text Tags this determines how long the text string is. This is very driver dependent. Usually text length is number of ASCII characters. For example, a 40 indicates a forty-character length tag (for most drivers). See the specific Device Driver Guide for more information.
Range:
1 to 72 (device driver dependant)
Unit:
ASCII Characters
Field Type:
analog
Tag
fields:
.TXTLEN