cplc430

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Everything posted by cplc430

  1. This new project uses the MSP430F6736A microcontroller.It is a small data acquisition device. Key features are: - MSP430F6736A 128K Flash, SRAM 8K - 7-segment LCD display - SPI EEPROM 256K - two low-power RS232 interfaces - RS485 - two universal analog inputs (Pt100 RTD / 500/1000, NTC, resistive bridge or ratiometric sensor...) - two digital inputs - two optically isolated digital output - two analog inputs 4 ... 20 mA - 3.6V battery - additional optional supply 5 ... 27 V - backup super capacitor 0.33F A first application of this circuit is a gas volume corrector (PTZ Volume Corrector). Other applications are: - Flow Computer (gases, steam, water, heat metering...), - data logger, - telemetry, - small automation.
  2. Hi, This is a new project based on MSP430F5437A. Please look at the description of the web page: http://scitec.hubpages.com/hub/C-Programmable-Logic-Controller-CPC430
  3. In the prototype version, is working on a model IO board, which allows the user to build their own project. On this board user will be able to mount any circuit can imagine, for then they can make a final PCB.
  4. Hi, A new project based on MSP430 microcontroller is in process of being finalized. This is a PLC that can be programmed in C. A preliminary description of it can be found at: http://scitec.hubpages.com/hub/C-Programmable-Logic-Controller-CPC430 In these days this description will be improved. I'll add a bill of materials and a file with C-specific PLC functions. The project will be available as a kit from September 15, 2014. Neculai naga@ack.ro
  5. After several changes the site is active and project presentation viewable. In September 2014 C-functions file shall be downloaded for free. About the kit price is 64 Euro. Neculai
  6. Hi Igor, thanks for remark.....I already done the neccesary corrections. Neculai
  7. I want to add two images of the PCB that are part of the PLC.
  8. C functions that will be available to developers will be the basis functions with respect to RTC, SPI, Modbus RTU, relays, LEDs, ADC, Analog/Digital inputs..... This library will be improved all the time with new features and is free. Is the responsability of the developer that end product to use those functions he deems necessary. Neculai naga@ack.ro