Tormach PCNC 770 - Optional Program Stop Control - (M01 BREAK); Additional G-Code Formatting Notes; Repeated Items; Order of Execution

Chapter 7
94
UM10350_PCNC770_Manual_0916A
Programming
Display a Message - (MSG)
(MSG, …) - displays a message if MSG appears aer the le parenthesis and before any other prinng
characters. Variants of MSG which include white space and lowercase characters are allowed. The
rest of the characters before the right parenthesis are considered to be a message. Messages are
displayed on the Status screen.
Example:
(MSG, your message here) prints your message here to the Status screen.
7.3.1 Optional Program Stop Control – (M01 BREAK)
The oponal program stop control (M01 BREAK) works as follows. If M01 break is on (indicated
by the LED on the M01 Break buon on the PathPilot interface) and a line in the G-code program
contains an M01-code, program execuon is stopped at the M01 line. The program resumes from
that line when the Cycle Start buon is pushed.
7.4 Additional G-code Formatting Notes
7.4.1 Repeated Items
A line may have any number of G words, but two G words from the same modal group may not
appear on the same line. For more informaon, see Modal Groups later in this chapter.
A line may have zero to four M words. Two M words from the same modal group may not appear
on the same line.
For all other legal leers, a line may have only one word beginning with that leer.
If a parameter seng of the same parameter is repeated on a line, #3=15 #3=6, for example, only the
last seng takes eect. It is illogical but not illegal to set the same parameter twice on the same line.
7.4.2 Order of Execution
The order of items on a line does not determine the order of execuon on the commands. For more
informaon, see table Order of Execuon later in this chapter.
The three types of items whose order may vary on a line (as given at the beginning of this secon)
are word, parameter seng, and comment. Imagine that these three types of items are divided into
three groups by type.
The rst group (the words) may be reordered in any way without changing the meaning of the line
which is as dened above.