DNC and CNC setting for Siemens - Sinumerik 850M

Set the following parameters on the machine

5010 (flow control)	0 (CTS/RTS)
5011 (baud rate, parity, stop bits)	11010111 (9600, Even parity, 2 stop bits)
5012 (flow control)	0
5013 (baud rate, parity, stop bits)	11010111 (9600, Even parity, 2 stop bits)

Change following bits in the parameter #5016 only
bit 5	1
bit 4	0

If you want, you can change baud rate (#5011,#5013)
Baud	Parameter value
1200	11010100
2400	11010101
4800	11010110
9600	11010111

Set the following parameters on the PC

Serial port tab

Machine name	Siemens - Sinumerik 850M
Serial port	COM2 (or any free COM port)
Baud	9600
Data bits	7
Parity	Even
Stop bits	2

Data flow control tab

Use DTR	False
Use RTS	True
Require DSR	False
Require CTS	True
Set RTS	False
Set DTR	False
Software flowcontrol	None
Xon char	#11
Xoff char	#13

Data exchange format tab

Format mode	Uniform
Format parameters	Program start: % Program end: M30 Line start: Line end: #0D#0A Skip lines: ; Ignore characters: No characters for remove Remove blank lines: Yes Program name prefix: MPF Program starting characters in the file: No Program ending characters in the file: Yes

Go to Index page
Siemens - Sinumerik 840C
Siemens - Sinumerik 840D
Siemens - Sinumerik 850T
Siemens - Sinumerik 8M
Siemens - Sinumerik 8T

If you have successfully connected DNC Precision with any other controller not in this list, we would appreciate your sending us the details to add to the list.

Note: We are not responsible and do not provide guarantee for any of these settings, that have been sent us by our customers.