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BRX Do-More PLC Using Modbus IO Scanner Profile

The Do-More Designer Programming Software (2.9) or higher includes a Modbus I/O Scanner with some profiles for Modbus Server (Slave) devices. This will greatly reduce the time it takes to implement and troubleshoot communications in your projects. Modbus communications are done independent of the PLC scan time and will have little or no ladder logic for the program. Last time we communicated to a Solo process temperature controller via Modbus RTU RS485. (twisted pair) We manually set the Modbus IO scanner, reading the present value (PV) and set value (SV) of the Solo. The writing of the set value (SV) located within the BRX Do-More controller was also done. This was all be done without using any ladder logic code. We will now use the Modbus profile in the Modbus IO Scanner to connect a Click Plus PLC to our RS485 network. Using the Modbus scanner to write and read instructions we will also show how to use the ladder logic code with our scanner. 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-do-more-... The entire BRX Series PLC can be found at the following location: https://accautomation.ca/series/brx-d... 00:00 BRX Do-More PLC High-Speed Input Timer 01:24 Hardware and Wiring 02:23 Click PLC RS485 Port Setup 03:29 Modbus IO Scanner Configuration 10:01 BRX Do-More Ladder Logic 13:14 Monitoring and Testing the Modbus IO Scanner Here are some of the individual posts with video links: Installing the Software https://accautomation.ca/brx-plc-inst...    • BRX Do-More PLC Installing the Software   Establishing Communication https://accautomation.ca/brx-plc-esta...    • BRX Do-More PLC Establishing Communic...   Online Editing and Debug Mode https://accautomation.ca/brx-plc-onli...    • BRX Do-More PLC Online Editing and De...   Timers https://accautomation.ca/brx-plc-timers    • BRX Do-More PLC Timers   Counters https://accautomation.ca/brx-plc-coun...    • BRX Do-More PLC Counters   Shifting Instructions https://accautomation.ca/brx-plc-shif...    • BRX Do-More PLC Shifting Instructions   Drum Instruction https://accautomation.ca/brx-plc-drum...    • BRX Do-More PLC Drum Instruction Sequ...   Data Logging https://accautomation.ca/brx-plc-data...    • BRX Do-More PLC Data Logging   Email – Text SMS Messaging Gmail https://accautomation.ca/brx-plc-emai...    • BRX Do-More PLC Email – Text SMS Mess...   Secure Email Communication    • BRX PLC Secure Email Communication   Modbus ASCII Protocol https://accautomation.ca/brx-do-more-...    • BRX Do-More PLC Modbus ASCII Protocol   HTTP Web Server https://accautomation.ca/brx-do-more-...    • BRX Do-More PLC Web Server - Website   Dynamic Web Pages https://accautomation.ca/brx-do-more-...    • BRX Do-More PLC Dynamic Web Pages   BRX Do-More PLC FTP Client Get Put https://accautomation.ca/brx-do-more-...    • BRX Do-More PLC FTP Client Get Put   Do-More Designer Element Browser https://accautomation.ca/do-more-desi...    • Do-More Designer Element Browser   BRX Do-More PLC High-Speed Input Counter https://accautomation.ca/brx-do-more-...    • BRX Do-More PLC High-Speed Input Counter   BRX Do-More PLC High-Speed Input Timer https://accautomation.ca/brx-do-more-...    • BRX Do More PLC High Speed Input Timer   BRX Do-More PLC High-Speed Input Pulse Catch https://accautomation.ca/brx-do-more-...    • BRX Do-More PLC High-Speed Input Puls...   April 25, 2022 - 8:45 BRX Do-More Simple Modbus Serial Communication https://accautomation.ca/brx-do-more-...    • BRX Do-More Simple Modbus Serial Comm...   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 their communication capabilities. https://www.accautomation.ca