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Wifi works like Ethernet for a program. No differences.
But WiFi can be unstable because there are many electromagnetic noises in a shop.

It looks like a bad connection in the cable or electromagnetic noises.

Maybe, the following settings will help you.
https://www.aggsoft.com/cnc-dnc/okuma-okuma-osp-5000.htm

Hi,

Parameter #9 (EOR code) - set to 0 (means CR + LF).

What software do you use to send NC programs to a machine?

I suppose the TX wire or pin is broken or not connected. The machine cannot detect this problem, but data does not appear on your computer.

These control codes are used in the drip-feed mode when you send a large program to your controller.

Hello Anthony,

If the file name really matters, we can add this feture for an additional fee.

Hi,

Try to enable hardware flow control and set the "DTR" signal high.

Hi,

Did you try to send a NC program to the PC?

Hi.

Try to start the program with elevated administrator privileges (Right-click over the program icon and select "Run as administrator").

If the program stores the settings in this mode, then...

DNC Precision, Machine monitoring. It can capture info about machine activity to a database or Excel.
https://www.dnc-precision.com/

Hi,
You need the "drip feed" feature. But some machines may not support this.

Hi,

Do not use Wifi in the shop. Use cable connections only. Try a device like Moxa Nport 5110 and convert your RS232 to Ethernet. Then you may use any DNC software with a virtual COM port on a...

I would offer DNC Precision. It support Fanuc OM.

Hi,

Try the free version of DNC software here:
DNC Precision - send/receive to multiple NC machines | AGG Software

Hi,

You may add an empty first line. May be it will help.

You may start with the free version of our software
DNC Precision - Manage multiple NC devices via serial port with this all-inclusive DNC software | AGG Software

I would offer the following:
DNC Precision - Manage multiple NC devices via serial port with this all-inclusive DNC software | AGG Software
It works on Windows 10.

DNC Precision (www.dnc-precision.com). Also works on Windows XP. The free version for small programs is available too.

DNC Precisions: DNC Precision - Manage multiple NC devices via serial port with this all-inclusive DNC software | AGG Software
Free version is also available too.

You need a cable with hardware flow control wires. Of course, you need a software that can work in this mode.

Settings:
DNC software. CNC and DNC settings for Okuma - Okuma OSP 5000.

Software (free version is available too):
_http://www.aggsoft.com/dnc-precision/

Try the free version from the following site:

DNC Precision - Manage multiple NC devices via serial port with this all-inclusive DNC software | AGG Software

I would recommend to use RS232-to-Ethernet converters like MOXA Nport 5110 instead of RS232-to-USB cables. These converters (rs232-ethernet) work much stable than rs232-usb.

If you want I can help you with other DNC software if it is applicable (free of charge, of course). Please, send me a private message.

I would recommend to use RS232-to-Ethernet devices like MOXA Nport 5110. They are more stable.

It looks like:

1. The cable is broken
2. Electric noises around the cable (bad ground).
3. The RS232 port (on any side) is broken.

I've verified this path on my Windows 7 SP1 Pro. It exists. Is it possible you use non-standard COM port?

You may change the FIFO buffer size: Devices Manager -> COM port -> Properties -> Port settings -> Advanced