DNC and CNC setting for Okuma - Okuma OSP-U100

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

Set the following parameters on the machine

Optional parameters
1 (tape code)ISO
2 (detect code automatically)1 (Yes)
3 (tape TV check)0 (No)
4 (program end code)1 (%)
5 (tape ready verify)0 (No)
6 (special code)0 (No alarm)
7 (ignore special code)1 (Ignore)
8 (file name output)0 (Output)
9 (EOR code)0 (CR,LF)
10 (punch empty character)0 (Null)
11 (read device number)0 (CN0)
12 (punch device number)0 (CN0)
10 (tape feed)1
With help of the [PAGE DOWN] button go to tape interface (RS232 - CN0) parameters
1 (stop bits)1
2 (parity check)0
3 (parity)1 (Even)
4 (8 bit JIS)1 (Yes)
5 (DC2/DC4)0 (No)
6 (file name read)1 (Execute)
7 (CNC slave)0 (No, master)
8 (baud rate)9600
9 (busy timeout)15

Set the following parameters on the PC

Serial port tab

Machine nameOkuma - Okuma OSP-U100
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: %
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.