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We will be looking at the BRX Do-More PID Ramp Soak Profile instruction in the PLC. The purpose of a ramp soak profile is to make gradual, controlled changes in temperature (Ramp), followed by a temperature hold (Soak) period. We will be using our Proportional-Integral-Derivative PID Instruction with PWM output that we looked at last time to apply the ramp/soak profile. Using the immersion heater in a cup of water to keep the temperature at a constant value, we will be adjusting the profile of the temperature as we increase the setpoint (Ramp) and hold that setpoint for a predetermined time. (Soak) We will then decrease that temperature back to the original setting. (Ramp) We will be modifying our existing program from our PID with the PWM Output post. Let’s get started. More information can be obtained on our website. This includes all of the links mentioned in this video. https://accautomation.ca/brx-plc-pid-ramp-soak-profile The entire BRX Series PLC can be found at the following location: https://accautomation.ca/series/brx-do-more-plc/ Here are the individual posts with video links: Installing the Software https://accautomation.ca/brx-plc-installing-the-software https://youtu.be/iFI1ebP8Zkk Establishing Communication https://accautomation.ca/brx-plc-establishing-communication https://youtu.be/shU5g8MA8VM Updating Firmware Video https://youtu.be/gsfcGGK4-Sk Numbering Systems and Addressing https://accautomation.ca/brx-plc-numbering-systems-and-addressing https://youtu.be/-GiKnIDycKY
