DNC and CNC setting for Mitsubishi - 300 - 500

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

Set the following parameters on the machine

Use different devices for input and output, but with same port number
IO device parameters #1
2 (baud rate)2 (4800)
3 (stop bits)3 (two stop bits)
4 (parity enabled)0 (No)
5 (parity)1 (Even)
6 (data bits)3 (8 dat bits)
7 (termintator type)3 (EOR)
11 (handshake)3 (DC codes)
12 (parity on DC)1 (Yes)
IO parameters screen #2
1 (DC2 and DC4)1 (DC2 only)
2 (CR)1 (Yes)
3 (EIA output)0 (No, ISO)
6 (Parity V)0 (No)
7 (Timeout)200 (200 sec)

Set the following parameters on the PC

Serial port tab

Machine nameMitsubishi - 300 - 500
Serial portCOM2 (or any free COM port)
Data bits8
Stop bits2

Data flow control tab

Use DTRFalse
Use RTSFalse
Require DSRFalse
Require CTSFalse
Set RTSFalse
Set DTRFalse
Software flowcontrolBoth
Xon char#11
Xoff char#13

Data exchange format tab

Format modeUniform
Format parametersProgram start:
Program end:
Line start:
Line end: #0D#0A
Skip lines:
Ignore characters: No characters for remove
Remove blank lines: No
Program name prefix: O
Program starting characters in the file: No
Program ending characters in the file: No

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

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


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.