8 – 42 HEIDENHAIN Technical Manual TNC 426, TNC 430
8.7 External Programming
Please remember the following when programming externally for subsequent
transmission:
n At the program beginning and after every program block, <CR><LF> or
<LF> must be programmed.
n After the End of Program block, <CR><LF> and also <EXT> must be
programmed.
n For NC programs, the spaces can be omitted between the individual words.
n When reading in DIN blocks, the asterisk character (*) is not required at the
end of the block.
n Comments are separated from the NC block with a semicolon (;).
n Comments located before the program are not saved.
n With conversational programming, the block numbers are generated by the
TNC. They need not be programmed.