Hypertherm Phoenix 8.0 - Manual (Page 469)

Program Codes
462
The unsupported ESSI codes above are ignored when read. Some of these codes may be
supported in the future. Any ESSI codes that are not listed above will result in a translator error
upon loading the ESSI program.
16B
ESSI Comments
Comments may be placed in to the part program to be displayed on screen and viewed by the
operator. The comment line must first be preceded by a program stop command (EIA M00
code or ESSI 0 code).
ESSI Example:
0 – Pauses Program
3 – Start Comment
Comment – Text to be displayed
4 – End Comment