Gabriel Franco
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Everything posted by Gabriel Franco
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As T8 is self-reseting, probably O8 never set. Try SET instruction to check if T8 is really doing what you want -
User-Management
Gabriel Franco replied to Bisku's topic in Vision & Samba PLC + HMI Controllers & VisiLogic Software
I guess the better option is to encrypt sensitive data such as password. This can be accomplished using math calculation in ladder when reading and writing from/to database. User may be able to see datatable but encrypted password. Other way, would be using registers to save such information. -
Based on your latest post, what you need is a PID with PWM digital output. There are examples you can look at
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Do not use positive transition of SB13, instead, use N.O. contact.
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Already fix it updating OS to PLC.
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Attached image showing wrong ASCII keypad. Any idea to fix it.
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Update OS, download a blank project, then download your project again.
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Alexander, it was not my case, because I had to downgrade Visilogic version (From 9.8.18 down to 9.7.0) to be able to upload PLC project.
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PLC: V290-19-B20 (A) O/S 5.04(23). In info mode, under Version PLC shows DB 27, creation ver 4.0.06, modification ver 9.7.09 Visilogic 9.8.18 Build 0 I cannot upload PLC program to my laptop. Attached reported error. What does it mean and how can I upload program? I´m going to download Visilogic V9.7.0 and try again. EDIT: I could upload PLC program using Visilogic V9.7.0 Build 0
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I also noticed it earlier when using previous versions of Visilogic and it forced me to include the same workaround in my programming standard. To be honest, I hasn´t tested with latest version.
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Can you ramp PID setpoint up at the desired rate? You might need to adjust PID parameters on the road to achieve a better control. I don't know about kiln process, but used this approach once to control a motor speed.
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Is the legacy snap V200-18-E3B fully compatible with recent V200-18-E3XB ? I mean, dimensions, connections, electrical specs ?
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Varios
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From the album: Varios
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From the album: Varios
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From the album: Varios
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From the album: Varios
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From the album: Varios
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I use UDP instead TCP and doesn´t need so long delays between devices because no need to open/close socket, only a short delay between devices (50 ms or so).
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Digital inputs
Gabriel Franco replied to russedwards's topic in Vision & Samba PLC + HMI Controllers & VisiLogic Software
Connect 0Vdc of PLC Power Supply with 0Vdc of external PS. -
Is there a simpler way to set same duration time for all drum other than doing it step by step, like row and column SET/RESET option?
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Try writing to 8500 instead of 8501. Just a wonder. I have not had addressing issues with Schneider VFDs but with power monitors.
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I suggest you to read any reading parameter, to make sure comms are ok. Did you properly set parameters to control VFD via MODBUS? (fr1, add, tbr, .... )
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John, RUN: Write 000F(hex) to address 8501, and desired freq. to 8502. STOP: Write 400F(hex) to address 8501. Stop mode depends of your VFD configuration.
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John, take a look to: http://download.schneider-electric.com/files?p_File_Id=27468538&p_File_Name=ATV31_communication_variables_EN_1624595_04.pdf It´s for ATV31 but I´ve used for ATV312 as well.
