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Old September 11th, 2019, 02:18 PM   #1
United States

CJlikesCHAIRS is offline
Join Date: May 2015
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Posts: 65
Modicon BMXPRA0100 lost program?

A few years ago I made a Unity Pro 11 program that used a BMX CPS 2000 CPU and 2 remote I/O panels with BMXPRA0100 modules in them. Everything worked fine and dandy.

We just got an order to add another RIO panel to this job, and I opened up the program for the first time in a few years to find that the when you try to open the PRA programs, they don't exist. I'm using the exact program I used when connecting before (same STA file) but on a different computer.

When going online with the PLC, it is connected and equal, but I still can't open the PRA modules, Unity just pops up a blank Unity program (like when you fresh open the software and there is no program loaded yet). The base program is connected still and recognizes that it has a PRA open.

Has anyone experienced this before? We had been using the STA file to transfer the program between me and the two techs laptops on site and never had this issue before.

Am I SOL and have to create an all new program?
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Old September 13th, 2019, 02:35 AM   #2
South Africa

chud is offline
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Join Date: Oct 2007
Location: KALAHARI
Posts: 959
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What you are doing should work. I have not experienced this before
Do you open the Pra program from the IO scanner device name popup?
If so, try connecting to the PRA with the instance of Unity that opened up. And see if you can upload the program, save it and close again.
Not sure at all if this will work but its the only thing i can think of now
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Old September 13th, 2019, 10:53 AM   #3

Lare is offline
Join Date: Jan 2006
Location: Finland
Posts: 1,335
It can be Unity version problem.

Try open 1st with Unity 11 version, then open Pra-config (which is another project insside original)
Save PRA-config to different name and open with newer Unity separatly from different file.

Or you can try connect directly to PRA with IP and upload Unity project from PRA to PC.
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