CNC DNC Settings for Heidenhain TNC 335

CNC / DNC Settings for Heidenhain TNC335

Parameter	Value	Comments

Baud Rate		TNC External Interface is capable of speeds between 110 and 38400. For non-blockwise transfers in to CNC memory we would suggest using 4800 or lower. But if you need to drip feed large complex programs then a higher speed will almost certainly be required and you should enable the Blockwise Protocol mentioned below.
Device	EXT	RS232 Interface
5010.0	515
5010.1	17736
5010.2	16712
5010.3	279
5010.4	5382
5010.5	4
5020	104	7bits. Even parity. 2 Stop Bits. use DC3 (xOnXoff)
5030	1	Blockwise Protocol Enabled (0 = Disabled)
		The Heidenhain TNC 335 can be configured to use the Heidenhain Blockwise Protocol for high speed reliable drip feeding of programs that exceed the memory capacity of the machine. Blockwise Protocol is Enabled/Disabled via parameter 5030. Use a DNC program capable of communicating using Heidenhain Blockwise. See this page for setting up RemoDNC to drip feed large programs using Heidenhain Blockwise Protocol

RS232 Cable.
9pin computer to 25pin CNC