DNC and CNC setting for Siemens - Sinumerik 840D

These settings are for the DNC Precision software only. They may not work with other software.

Set the following parameters on the machine

Device typeUniversal
ProtocolRTS/CTS (Hardware)
Baud rate9600
Stop bits2
Bits per character7
Xon character11
Xoff character13
FormatPunch tape format

Set the following parameters on the PC

Serial port tab

Machine nameSiemens - Sinumerik 840D
Serial portCOM2 (or any free COM port)
Data bits7
Stop bits2

Data flow control tab

Use DTRFalse
Use RTSTrue
Require DSRFalse
Require CTSTrue
Set RTSFalse
Set DTRFalse
Software flowcontrolNone
Xon char#11
Xoff char#13

Data exchange format tab

Format modeUniform
Format parametersProgram 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

Null modem cable, without handshake
PC, 9pin, DB9M | CNC, 25pin, DB25

Null modem cable, with full handshake
PC, 9pin, DB25M | CNC, 25pin, DB25

Null modem cable, without handshake
PC, 25pin, DB25M | CNC, 25pin, DB25

Null modem cable, with full handshake
PC, 25pin, DB25M | CNC, 25pin, DB25

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Siemens - Sinumerik 810T
Siemens - Sinumerik 840C
Siemens - Sinumerik 850M
Siemens - Sinumerik 850T
Siemens - Sinumerik 8M

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.