https://forge.codesys.com/forge/talk/Runtime/thread/dc4543044b/2022-11-25T10:38:18.106000ZRecent posts to MCP47252022-11-25T10:38:18.106000Z2022-11-25T10:38:18.106000Zprincessdvlkhttps://forge.codesys.com/u/princessdvlk/https://forge.codesys.come7ed901f9f44dfb22cf322b454e5fdda8293d644

<div class="markdown_content"><p>Hello,</p> <p>I am facing an issue when working with MCP4725 and raspberry pi. Considering this thread was based on working MCP4725 with RPi, I am posting my concern here.</p> <p>I have downloaded the MCP4725 library from this forum. No matter what value I put in the MCP4725.xdacIn, the voltage is always at 0V.</p> <p>iDacValue : INT;<br/> MCP4725.xdacIn := iDacValue; (screenshot = Issue DAC 1 or based on your screenshot solution as well)</p> <p>I am using a hardware that has raspberry pi core. The Codesys version I am using is Ver3.5 SP17 Patch3. I tried putting 97 in I2C Bus Parameters for MCP4725 (screenshot = Issue DAC 2) based on a conversation thread here on this forum. But still, I am facing the same issue.</p> <p>I have been using ADC in I2C mode as well. I didn't face any problem with that as I got an example code for it. Could this be because I am using ADC and DAC with I2C at the same time?</p> <p>Could you please help me out? I am attaching the screenshots as well. It is also mentioned in the library method file 'AfterReadInputs' (screenshot = Issue DAC 3) that we must change wInfo<span>[0]</span> to 16#60 from 16#40 if we want to write the values into DAC register and EEPROM. I guess these files are write protected. Do I have to change this value and if so how? I am unable to do that.</p> <p>Looking forward to your reply.</p> <p>Thanking you in advance.<br/> Best Regards!</p></div>

2022-11-25T10:36:06.409000Z2022-11-25T10:36:06.409000Zprincessdvlkhttps://forge.codesys.com/u/princessdvlk/https://forge.codesys.com7a2d86f6d86a90e5caad108f655fe7bdcba28869

<div class="markdown_content"><p>Hello,</p> <p>I am facing a when working with MCP4725 and raspberry pi. Considering this thread was based on working MCP4725 with RPi, I am posting my concern here. </p> <p>I have downloaded the MCP4725 library from this forum. No matter what value I put in the MCP4725.xdacIn, the voltage is always at 0V. </p> <p>iDacValue : INT;<br/> MCP4725.xdacIn := iDacValue; (screenshot = Issue DAC 1) </p> <p>I am using a hardware that has raspberry pi core. The Codesys version I am using is Ver3.5 SP17 Patch3. I tried putting 97 in I2C Bus Parameters for MCP4725 (screenshot = Issue DAC 2) based on a conversation thread here on this forum. But still, I am facing the same issue.</p> <p>I have been using ADC in I2C mode as well. I didn't face any problem with that as I got an example code for it. Could this be because I am using ADC and DAC with I2C at the same time?</p> <p>Could you please help me out? I am attaching the screenshots as well. It is also mentioned in the library method file 'AfterReadInputs' (screenshot = Issue DAC 3) that we must change wInfo<span>[0]</span> to 16#60 from 16#40 if we want to write the values into DAC register and EEPROM. I guess these files are write protected. Do I have to change this value and if so how? I am unable to do that.</p> <p>Looking forward to your reply.</p> <p>Thanking you in advance.<br/> Best Regards!</p></div>

2020-02-27T15:59:57.122000Z2020-02-27T15:59:57.122000Zmatthias25881https://forge.codesys.com/u/matthias25881/https://forge.codesys.comb25b66c7bd549a64dd0cceb84b405c903cbe4a19

<div class="markdown_content"><blockquote> <p><strong>Edwin Schwellinger hat geschrieben:</strong><br/> Hi,<br/> see attached screenshot.<br/> BR<br/> Edwin</p> </blockquote> <p>Thanks edwin, it works!</p></div>

2020-02-27T15:59:56.108000Z2020-02-27T15:59:56.108000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.comf466912a59599bde334404dbc95fafde5de56275

<div class="markdown_content"><p>Hi,<br/> see attached screenshot.<br/> BR<br/> Edwin</p> <p><img alt="IMG: MCP.png" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=4169"/></p></div>

2020-02-27T15:59:53.916000Z2020-02-27T15:59:53.916000Zmatthias25881https://forge.codesys.com/u/matthias25881/https://forge.codesys.com4a6e9871e854661a2e5af31b66bc5366aaf18fa9

<div class="markdown_content"><p>Hello,<br/> is everyone here were can give me a example for use the mcp4725 library from the forum with CODESYS???<br/> in Python the mcp is working. in CODESYS his don't working. i think the problem is the adress. i have hex 0x62....<br/> is this right in 7bit dec. 48??</p> <p>regards Matthias</p></div>