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Makino V55 Data Server


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We have a Makino V55 (1999) with a Pro 3 control equipped with a data server. We can load onto the data server and onto the CNC control from a network drive, but can't load from the data server to the CNC control. The goal is to DNC large programs from the data server because doing so from the network drive has not been reliable. Attempts to do so provide the following results:

External Input Mode: O#### - Cycle Start, starts DNC from network drive.

Memory Mode: M198 P####, starts DNC from network drive.

Edit Mode: O#### - [Read] - [Exec], loads program from network to CNC control.

HOST Menu: O#### - [Get] - [Exec], loads program from network to data server.

HOST Menu: O#### - [Read] - [Exec], loads program from network to CNC control.

HD-DIR Menu: O#### - [Put] or [Mput] - [Exec], returns "Put Error" (I understand this is to upload from data server to network,so not necessary)

HD-DIR Menu: O#### - [F Copy] - [Exec], returns "Data not found".

I/O Channel is set to 5, have also tried 0-4.

Parameter 0900 is set to 00000001

Followed Data Server manual(Makino Pub. 1431_0) provided with machine(used), but the manual seems outdated or adapted from a Fanuc 16 data server. Any insight or suggestions would be greatly appreciated. If I'm overlooking a simple solution please bear with me.



New member
Good Afternoon,
we are having the same issue with our A55 with a pro 3 if you PM with your email me i can get you what we have on this topic and maybe we can help each other


New member
Thanks for the reply and offer to help. We got it sorted out yesterday. Our issue was not having the data server in the correct mode.
To change the mode:
System menu - [DS-MTN] - [OPRT] - [STRAGE] - [EXEC]

My understanding is that the data server diverts to the host in FTP mode vs accessing stored programs in storage mode. You can still download to the data server through the host menu in storage mode.

Hope this helps!