Horner XL4 PLC HMI Modbus RTU Instructions

We will now communicate Modbus Serial RS485 from the Horner Master controller to the Solo process temperature controller. The Horner APG XL4 all in one controller has several different ports for communications. We have both serial and Ethernet type ports that can be used for many different protocols. These protocols can be downloaded from the Horner APG website and transferred into the controller. We will be looking at Modbus RTU protocol. Using the serial RS485 port on the XL4 we will communicate to a Solo process temperature controller. We will read the process value (PV) into the Horner APG XL4 controller and write the set value (SV) back into the process temperature controller. This is all accomplished without any ladder logic in the PLC. The Horner APG XL4 is one of the easiest networks to set up. This series on the Horner XL4 all-in-one controller (PLC) will go step by step through learning how to use this innovative unit. More information can be obtained at our website. This includes all of the links mentioned in this video. https://accautomation.ca/horner-xl4-modbus-rtu-instructions Previously we discussed the following on the Horner XL4: System Hardware. https://accautomation.ca/horner-xl4-system-hardware/ Installing the Software Cscape https://accautomation.ca/horner-xl4-installing-the-software-cscape Horner XL4 Cscape Software Setup https://accautomation.ca/horner-xl4-cscape-software-setup Horner XL4 Establishing Communication https://accautomation.ca/horner-xl4-establishing-communication Horner XL4 Numbering System and Addressing https://accautomation.ca/horner-xl4-numbering-system-and-addressing Horner XL4 User Interface https://accautomation.ca/horner-xl4-user-interface Horner XL4 Timers and Counters https://accautomation.ca/horner-xl4-timers-and-counters Compare and Move Instructions https://accautomation.ca/horner-xl4-compare-and-move-instructions Horner XL4 Math Instructions https://accautomation.ca/horner-xl4-math-instructions Horner XL4 Program Control Instructions https://accautomation.ca/horner-xl4-program-control-instructions Horner XL4 Rotate and Shift Register https://accautomation.ca/horner-xl4-rotate-and-shift-register Horner XL4 Recipe Instruction https://accautomation.ca/horner-xl4-recipe-instruction Horner XL4 Report Generator https://accautomation.ca/horner-xl4-report-generator There are several reasons why we are using the Horner XL4 Controller. Here are just a few. - Investment is low for the hardware and the software is free - Standalone PLC with built-in I/O and HMI - Communication ability - Ethernet Port, RS232, RS485 - support for protocols such as Modbus RTU, Modbus TCP, etc. - Built-in data logging functions - Ability to expand the system with a variety of modules https://www.accautomation.ca