Siemens 840D Serial Configuration
CNC Parameters
Changing CNC Parameters
Interface settings are normally found under Services.
When Services screen is shown, selections are Data In, Data Out, Manage Data, and Interface. Choose Interface.
Select Xon/Xoff, Normal file transfer, Xon=Hex 11, Xoff=Hex13,
End of Transmission. =Hex03, Timeout: 4sec
Check the box: Send XON at Start Data on.
Check the box: Stop with EOT character.
FactoryWiz DNC Settings
Basic Communication
1.01- Port Type: Standard
1.11- Baud: 19200
1.12- Data Bits: 8
1.13- ASCII None
1.14- Stop Bits: 1
1.15- Handshake: XON/XOFF
1.21- End of block (EOB): LF
Sending Options
2.11- Leader:
2.12- Trailer: <3>
2.31- Automatic timeout: 7
Receiving Options
3.11- Program identifier 1: _N_
3.12- Program Identifier 2:
3.21- Receive timeout: 3
3.31- Ignore data before first end-of-block: False
3.32- Ignore data after last end-of-block: False
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
Outputting CNC Programs:
When Services screen is shown, select Data Out.
Cursor down to file you want sent.
Press V.24, then press Start.
Inputting CNC Programs:
When Services screen is shown, select Data In.
Cursor down to folder where you want file stored. (If file format is correct, it will automatically be stored in the correct folder)
Press V.24, then press Start.
Wiring Diagram: DB9 to DB25
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 |
Wiring Diagram: DB9 to DB9
Pinout includes RTS/CTS Handshaking
DB-9 com port | Wire color | DB-9 CNC | Jumper? | |
| (Disconnected) | Shield | 1 |
|
| 2 (Receive Data) | Green | 3 (Transmit Data) |
|
| 3 (Transmit Data) | Red | 2 (Receive Data) |
|
| 5 (Signal Ground) | Black | 5 (Signal Ground) |
|
| 7 (RTS) | Brown | 8 (CTS) |
|
| 8 (CTS) | Blue | 7 (RTS) |
|
|
|
| 6 (DSR) 1 (DCD) 4 (DTR) | JUMPER |
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