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BRX (Do-More) PLC PID Ramp Soak Profile
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Oct 13, 2022
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
First Program
https://accautomation.ca/brx-plc-first-program
https://youtu.be/ANSNhdlm_Ao
Monitoring and Testing the Program
https://accautomation.ca/brx-plc-monitoring-and-testing-the-program
https://youtu.be/gv3d0vozxac
Online Editing and Debug Mode
https://accautomation.ca/brx-plc-online-editing-and-debug-mode
https://youtu.be/77pemu3zXrE
Timers
https://accautomation.ca/brx-plc-timers
https://youtu.be/0qU9kgunPi4
Counters
https://accautomation.ca/brx-plc-counters
https://youtu.be/k84VQy8ifgg
Compare Instructions
https://accautomation.ca/brx-plc-compare-instructions
https://youtu.be/CIDVcM0zszE
Math Instructions
https://accautomation.ca/brx-plc-math-instructions
https://youtu.be/ZllosAv0DyY
Program Control
https://accautomation.ca/brx-plc-program-control
https://youtu.be/1fewvxxUyW4
Shifting Instructions
https://accautomation.ca/brx-plc-shifting-instructions
https://youtu.be/FVTxIl8VKmg
Drum Instruction
https://accautomation.ca/brx-plc-drum-instruction
https://youtu.be/ILokPN1Aadk
Serial Communication – Modbus RTU to Solo Process Temperature Controller
https://accautomation.ca/brx-plc-serial-communication-modbus-rtu-to-solo-process-temperature-controller
https://youtu.be/PndrIfBImGQ
Data Logging
https://accautomation.ca/brx-plc-data-logging
https://youtu.be/OBv7XJ9mJeA
Email – Text SMS Messaging Gmail
https://accautomation.ca/brx-plc-email-text-sms-messaging-gmail
https://youtu.be/0L74qOwwWAE
Secure Email Communication
https://youtu.be/hhVawCL3ztU
AdvancedHMI Communication – Modbus TCP
https://accautomation.ca/brx-plc-advancedhmi-communication-modbus-tcp
https://youtu.be/1TjsdLwTKM0
Analog IO – System Configuration
https://accautomation.ca/brx-plc-analog-io-system-configuration
https://youtu.be/WmdbalWwO6E
HTTP JSON Instructions
https://accautomation.ca/brx-plc-http-json-instructions
https://youtu.be/MrCt1STwILU
Analog Dusk to Dawn Program
https://accautomation.ca/brx-plc-analog-dusk-to-dawn-program
https://youtu.be/7mNO7Lhq7y0
INC DEC 512 Registers for DMX512
https://accautomation.ca/brx-plc-inc-dec-512-registers-for-dmx512
https://youtu.be/jCGw9i6qbHk
PID with PWM Output
https://accautomation.ca/brx-plc-pid-with-pwm-output
https://youtu.be/wUNSv-0e5Rc
There are several reasons why we are using the BRX Series Controller. Here are just a few.
- Standalone PLC with built-in I/O
- Built-in Data Logging
- Communication ability - Ethernet Port, RS232, RS485, USB - support for protocols such as Modbus RTU, Modbus TCP, ASCII, K-sequence (DirectLOGIC users), Custom Protocols (ASCII over serial, TCP or UDP over Ethernet)
- Built-in Analog input and output
- Integrated motion control
- High-speed counters
- Powerful instruction set (Video of Instructions in software)
- Ability to expand the system with a variety of modules
- Part of the Do-More series of PLCs which use the same free software. (Do-More Designer)
- Integrated simulator in the software capable of external communications for testing
The BRX series of programmable logic controllers consist of four different units. They differ depending on the Inputs and Outputs built into the unit and if it has the ethernet port.
No I/O Micro PLC unit – (BX ME)
10 Point Micro PLC unit – (BX 10/10E)
18 Point Micro PLC unit - (BX 18/18E)
36 Point Micro PLC unit - (BX 36/36E)
These CPUs (Central Processing Units) are also known as MPU (Multi-Processing Units) because of communication capabilities.
https://www.accautomation.ca
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