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
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
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
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
Search on WeChat Technical Training MODBUS Communication Between S7-1200 and V20 For MODBUS communication between S7-1200 and V20, the S7-1200 PLC needs to add a CM1241 RS485 communication module. 01 Communication Connection The V20 inverter is connected to the PLC via RS485 cable, using the standard MODBUS communication protocol. Through MODBUS communication, the PLC sends … Read more
Click the ” Jicheng Training ” above, select “Pin Public Account“ 150,000+ industrial control professionals are following this WeChat platform: technical sharing, learning exchange, industrial control videos (1) Modbus Communication Modbus communication of S7-200: S7-200 only supports the Modbus RTU protocol and does not support the Modbus ASCII protocol; Modbus is a master/slave communication mode … Read more
S7-1500 MODBUS Communication MODBUS MASTER: First configure the hardware, as shown below: Then open OB1, and program, as shown below: First call the initialized block MODBUS COMMONLOAD Pin description: REQ: The command starts on the rising edge (0 to 1). PORT: After installing and configuring the CM, you can find the CM port value in … Read more
Search on WeChat Technical Training 1 System Configuration Description (1) PLC:S7-1200. (2) Gateway:Modbus RTU to Profinet Gateway XJ-PN5001. (3) Weighing Instrument:XH3180-K. 2 Configuration and Debugging Steps (1) Open the software to create a new project “Weighing Instrument”. Go to Devices and Networks, select Manage General Station Description Files in the options, and install the GSD … Read more
Click on the above “Jicheng Training“, select “Pin to Top Public Account” 120,000+ industrial control professionals follow this WeChat platform: Technical sharing, learning exchange, industrial control videos Today, I will share some knowledge about MODBUS communication, using a touch screen to monitor inverters or instruments directly without going through a PLC: here we will take … Read more
1 A weighing instrument that supports the Modbus protocol A weighing instrument that supports the Modbus protocol 2 Set the communication parameters of the instrument You can adjust according to your requirements, as long as it matches with the PLC side Baud rate: 9600 Data format: 8n1: 8 data bits/no parity bit Communication method: Modbus … Read more