UniDDE
UniDDE (Unitronics Dynamic Data Exchange) enables you to read and write data between Unitronics OPLCs and applications that support DDE, such as Excel.
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Init and Reset often cures odd issues. If having problems like yours, I'd do it after each program download. Ensure all of Flex's call comments are checked. Screens take a few scans to completely load, and if other screen calls happen during further scans the little humans in the plc start running down the same passages and bump into each other's heads. cheers, Aus -
Your 350 in theory only comes with one com port standard. Extra ports are optional, be it 232 485 or ethernet. In your case it appears you have another 485 port fitted. In addition to Kratmel's observation on baud rate, you have 232 as the chosen standard (top right) which is likely the culprit...change it to 485. Also, in looking at the times in the data record, to me there is also something wrong with your timeouts and retries. Make sure you aren't getting a clash of timings/requests etc that completely throw things out of sequence. Please note that another way you could talk much better b/n the Unitronics devices is UniCAN. Extra cards needed, but easy to do and fast. But I think some minor corrections here and there will fix your issues. I still ponder the converter! What is the brand and model? cheers, Aus
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While upgrading the control system of the parts washer, I ran into a supply problem now called "chip shortage". In general, there was a remote control box with V570 panel and a control cabinet at a distance of 20 m, in which the EX D16A3-TO16 extension module is located. It uses all inputs and outputs for the machine's needs. The start of the automatic cycle had to be done with protected hermetic buttons on the remote control box near the panel (this requirement is dictated by the abrasive that is on the parts that are loaded into the parts washer, this abrasive on the gloves of the workers can quickly destroy the touch panel). However, the V570 requires a snap-in module to connect two buttons. And this particular module was not available... The solution was found and the system is already working. Now in more detail. Two panel com ports (RS232) are used as two discrete inputs. Below is the button connection diagram and a piece of ladder code that explains the idea. The machine is already in operation. P.S. I will have to wait for the snap-in for some time and then connect everything as originally planned. -
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