Introduction to PLC Communication: It’s Not Difficult!

Introduction to PLC Communication: It's Not Difficult!

PLC communication is a very important part of the automation control field, enabling information transmission and interaction between different devices to work together, improving the efficiency and intelligence of automated production systems. Below we will discuss common PLC communication protocols and methods: 01 Common PLC Communication Protocols PLC communication protocols are standards used to specify … Read more

Controlling V90 via MODBUS-RTU Communication

Controlling V90 via MODBUS-RTU Communication

Communication Requirements and Functions: The firmware version of V90 is V1.05 and above; V90 communicates through the RS485 interface at the top of the drive’s front panel (no additional hardware required); Pin assignment of RS485; (Pin 3 and Pin 8) Parameters can be modified, such as speed/position/torque set values via ModBus; Parameters can be monitored, … Read more

Step-by-Step Guide to Siemens S7-1200 MODBUS RTU Communication with Temperature Controller and Inverter

Step-by-Step Guide to Siemens S7-1200 MODBUS RTU Communication with Temperature Controller and Inverter

Search on WeChat Technical Training 1. Hardware PLC 1. S7-1200 PLC 1211C model CM1241 communication module; 2. Panasonic temperature controller KT4-1; 3. Qixi inverter HD700 series; 4. MCGS TPC 7062K touch screen. 2. Communication Purpose PLC The S7-1200 PLC sets data for the temperature controller and inverter via the touch screen, including temperature setpoint (SV); … Read more

Introduction and Example Programming of S7-200 SMART MODBUS Communication

Introduction and Example Programming of S7-200 SMART MODBUS Communication

Click on the “Technical Training” above and select “Top Official Account“ Over 160,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos Detailed structure diagram of Siemens S7-200 SMART PLC 1. Siemens S7-200 SMART as Modbus Slave 1. Check the Micro/WIN SMART Modbus RTU Slave instruction library (Figure 1), which … Read more

Modbus Communication Register Allocation Table for 35 Inverters

Modbus Communication Register Allocation Table for 35 Inverters

NEWS TODAY I have previously worked with microcontrollers and various inverter models including Mitsubishi D700, Siemens G120, Omron 3G3JZ, Panasonic VF200, Delta VFD-M, Xinjie VB3, Yonghong FID-B10, Shindengen IS7, Inovance MD500, Yaskawa Goodrive10, Schneider ATV12, Haiwei E, Holip HGD303, Taian F510, HEC F2A, Rockwell PowerFlex-4, Fuji FRENIC-VP, Boke CV20, Yaskawa A1000, Weichuang Artrich-AR60T, etc., using … Read more

20 Types of PLC Component Numbering and Modbus Address Mapping Table

For More Exciting Content, Click to Follow “Daodao Education” I have previously worked with microcontrollers and the following 20 types of PLCs for Modbus RTU serial communication. Now, I would like to share the mapping table of these 20 PLC input, output, and register components to their corresponding Modbus addresses. Mitsubishi FX3G-40MR/ES-A, Siemens S7-200 CPU226 … Read more

Modbus ASCII Communication Between Schneider M241 and Delta Inverter

Modbus ASCII Communication Between Schneider M241 and Delta Inverter

WeChat Search Technical Training 1. Hardware and Software Preparation Wiring: A+ and SG+ short-circuited, B- and SG- short-circuited Exercise 1: Add device “ASCII_Manager” double-click “serial_line_2” for serial line settings, then double-click “ASCII_Manager” for Modbus configuration Exercise 2: Add device “ASCII_Manager” double-click “serial_line_2” for serial line settings, then double-click “ASCII_Manager” for Modbus configuration 2. Inverter Parameter … Read more

Knowledge Sharing on MODBUS Communication Between Touch Screens and Inverters (Part 2)

Knowledge Sharing on MODBUS Communication Between Touch Screens and Inverters (Part 2)

Click the ” Technical Training ” above to select “Pin to Top” 120,000+ followers on the industrial control WeChat platform: Technical sharing, learning exchange, industrial control videos Good evening everyone, today I will continue to share knowledge about MODBUS communication between touch screens and inverters. Previously, I shared two steps required for communication between a … Read more

S7-200smart Modbus-RTU Communication V20 (2) Inverter

S7-200smart Modbus-RTU Communication V20 (2) Inverter

Hello, dear students! Good evening! Today we continue to introduce the technical explanation of S7-200smart Modbus-RTU Communication V20 Inverter. Students who are interested can leave us a message for interaction~ Let’s get to the main content! PART ONE Introduction to Modbus-RTU Library Instructions Since we are using the built-in RS-485 port of the S7-200smart CPU; … Read more

Overview of MODBUS TCP Communication with S7-1200 Integrated PN Interface

Overview of MODBUS TCP Communication with S7-1200 Integrated PN Interface

Overview of MODBUS TCP Communication with S7-1200 Integrated PN Interface Modbus TCP is a standard network communication protocol that communicates via TCP/IP through the PN interface on the CPU, eliminating the need for additional communication hardware modules. Modbus TCP uses open user communication connections as the communication path, supporting a maximum of 8 hybrid client … Read more