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BRX Do-More PLC High Speed IO
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Oct 15, 2022
The BRX Do-More series of programmable logic controllers have built-in high speed inputs and outputs. Every CPU will have either 6 or 10 high speed inputs (HSI) available depending on the model. These inputs can be used for input frequencies from 0 to 250Khz. 250Khz represents 250000 input counts per second that can be coming from devices connected to your PLC like an encoder. Every BRX CPU unit also has 2, 4, or 8 high speed outputs (HSO) available depending on the model. The outputs can send a frequency of pulses out up to 250Khz. Due to the speed of the IO, these functions available on the BRX PLC will operate asynchronously with the PLC scan time.
We will be looking at sending an output of pulses at different frequencies from our BRX PLC and inputting these back into the high speed inputs of the PLC. So our output will be wired back into our input. We will then display the frequency of the input pulses and the count. As a system integrator, this ability to send and receive high speed inputs and outputs can prove very useful to you in the field when commissioning your automation system. Let’s get started with the BRX Do-More PLC High Speed IO.
More information can be obtained at our website. This includes all of the links mentioned in this video.
https://accautomation.ca/brx-plc-high-speed-io
00:00 BRX Do-More PLC High Speed IO
00:31 Wiring the High Speed IO – BRX Do-More
01:37 Configure the High Speed IO
05:36 High Speed IO…
07:43 Testing our PLC program
Previously in this BRX Do-More Series PLC, we looked at the following:
System Hardware
https://accautomation.ca/brx-plc-system-hardware
System Hardware Video
https://youtu.be/wSYgY09VYeA
Unboxing Video
https://youtu.be/-Tf8m3BqzPo
Installing the Software
https://accautomation.ca/brx-plc-installing-the-software
Installing the Software Video
https://youtu.be/iFI1ebP8Zkk
Establishing Communication
https://accautomation.ca/brx-plc-establishing-communication
Establishing Communication Video
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
Numbering Systems and Addressing Video
https://youtu.be/-GiKnIDycKY
First Program
https://accautomation.ca/brx-plc-first-program
First Program Video
https://youtu.be/ANSNhdlm_Ao
Monitoring and Testing the Program
https://accautomation.ca/brx-plc-monitoring-and-testing-the-program
Monitoring and Testing the Program Video
https://youtu.be/gv3d0vozxac
Online Editing and Debug Mode
https://accautomation.ca/brx-plc-online-editing-and-debug-mode
Online Editing and Debug Mode Video
https://youtu.be/77pemu3zXrE
Timers
https://accautomation.ca/brx-plc-timers
Timers Video
https://youtu.be/0qU9kgunPi4
Counters
https://accautomation.ca/brx-plc-counters
Counters Video
https://youtu.be/k84VQy8ifgg
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 an 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 the communication capabilities.
https://www.accautomation.ca
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