Mitsubishi Meldas CNC Integration

Mitsubishi Meldas Configuration Cocument



CNC Parameters

2 to 2 - 4800 (baud)
3 to 1 (1 stop bit)
4 to 0 (no parity)
5 to 1 (even parity)
6 to 3 (8 data bits)
7 to 5 (any two characters ends transmission)
11 to 3 (DC Codes)
12 to 0 (no DC Code Parity)
13 to 3 (DC2/DC4 output)
14 to 1 (CR output)
15 to 0 (ISO output)
18 to 0 (no vertical parity check)

19 to 600 (Com timeout)


FactoryWiz DNC Settings

Basic Communication

1.01- Port Type: Standard

1.11- Baud: 4800

1.12- Data Bits: 7

1.13- ASCII Even

1.14- Stop Bits: 2

1.15- Handshake: XON/XOFF


Sending Options

2.11- Leader: %<10>

2.12- Trailer: %

2.23- Skip lines that contain: %

2.31- Automatic timeout: 7


Receiving Options

3.11- Program identifier 1: O

3.12- Program Identifier 2:

3.21- Receive timeout: 3

3.31- Ignore data before first end-of-block: True

3.32- Ignore data after last end-of-block: True


Remote Commands

4.02- Request for file command: GET-

4.03- Request for file command (drip feed): DNC-

4:11- Request to save command: PUT-



Additional Notes

Changing CNC Parameters:

On the RS232 parameter page, choose the device column you are going to use for your PC and make sure the following settings apply:


Outputting CNC Programs:

1. Press DATA IN/OUT softkey.
2. Press OUTPUT softkey.

3. Type in 1 for part program.

4. Type in program number.
5. Press INPUT.


Inputting CNC Programs:

1. Press DATA IN/OUT softkey.
2. Press INPUT softkey.

3. Press DATA I/O softkey.

4. Press INPUT.


HOW TO STOP MITSUBISHI FROM STRIPPING SPACES ON INPUT/OUTPUT
Set bit 6 of mpar1 to 1 (VALID)
See page App 1-11 (APPENDIX 1, PAGE 11)

Bit 6 on that page says “Work Programs Space is enabled”

Parameter is in Base Spec Parameters, named mpar1.

Will still strip spaces from the comment on the O-Program number line.


Wiring Diagram

Pinout includes RTS/CTS Handshaking

DB-9 com port

Wire color

DB-25 CNC

Jumper?


(Disconnected)

Shield

1



2 (Receive Data)

Green

2 (Transmit Data)



3 (Transmit Data)

Red

3 (Receive Data)



5 (Signal Ground)

Black

7 (Signal Ground)



7 (RTS)

Brown

5 (CTS)



8 (CTS)

Blue

4 (RTS)





6 (DSR)

8 (DCD)

20 (DTR)

JUMPER






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