Host Engineering Forum
General Category => Do-more CPUs and Do-more Designer Software => Topic started by: jwbaker3 on September 06, 2022, 12:06:34 PM
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I am trying to get a BRX BX-DM1E-36ER3 working. I have installed a lot of the BRX and never had this problem. I have 2 out of the box new PLC's that will not go into run mode. I use net edit 3 to set the ip address 10.10.1.30 255.255.255.0 SNM. When I go on line the unit wants me to download to the plc. After I do I get the DST51 error 1 and I cant do anything to get it to go into run mode. I tried to download a working program into the plc, it looked ok but after reseting the error it still gives the same error. the firmware is up to date on the pc and the plc. I called ADC tech support and he said I need to return for RMA credit. I need to get this project going so is there anything I can do or overlooking? There are no replacement units is stock. I have a BRX BX-DM1E-36ED13 but I am worried about breaking it also if there is something going on with the software or whatever. This is a rare PLC these days so caution is called for.
Thanks
JW
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Update I cleared the memory on the PLC used DMD ver 2.8 and got the PLC to reset and go into run mode. Not sure what is going on but I'll try to use 2.9 next and see what happens.
JW
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That is a general error. Only gets set a couple of places. 1) at the end of logic, in response to one of the error flags getting set, and 2) at the end of logic, in response to $Main not running.
Possible error flags:
Watchdog timout
I/O config error
I/O map error
Math stack overflow
STOP instruction
Critical I/O failure (failed module)
Ethernet I/O failure
For any of these, the associated error bit would be set. They start at ST128, and are also mapped into DST5.
The $Main check was added in 2.9. It just makes sure that $Main is running (which it should always be) and drops to program if not. If it is this, ERR string gets to "$Main failure".
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Not sure what is happening but 3 plc's did the same thing all I did was set the time and go online and download to the plc. I even tryed to put in c0 out c1 and an end statement. Same error, I cleared the memory and used 2.8 and back up. Trying to get the BRX to talk to a Fanuc robot right now I'll try ver 2.9 when I get time with one of the spares.
Thanks,
JW
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If you identify a way to duplicate it, please let us know.
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It must have been a problem with the software install on my win10 computer. I reset the memory on the PLC and tried with my win 7 computer ver2.9 everything works as it should. I uninstalled the DMD 2.9 on the win10 computer and reinstalled it. I'll try it next week when I am back on site with that client. We had to get a ethernet i/p upgrade on the Fanuc robots hopefully early next week, until then I'll use the trusty windows 7 computer, but then again if it was up to me we would still be using XP.
Thanks,
JW