Click on the ” Technical Training ” above, and select “Top Official Account“ 170,000+ industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos 01 Connection Count The S7-200 SMART CPU can connect to Siemens HMI devices that support the PPI protocol either through its built-in RS485 port or signal board, … Read more
Siemens all-subject + TIA Portal + EPLAN electrical drawing video recordings are available for low-price packaging! Chuangkong Education Siemens All-Subject Class Course Introduction 01 Connection Quantity The S7-200 SMART CPU can connect to Siemens HMI devices that support the PPI protocol either through the integrated RS485 port or signal board, or through the integrated Ethernet … Read more
Many technicians have the following problems. In fact, aside from the communication methods defined by manufacturers, the most common reasons for communication failure in projects can be summarized as follows: Have you selected the correct communication protocol (Modbus, RS232 free protocol, CANopen, EtherCAT)? Is the communication cable properly made ( RS232 RXD TXD GND RS485 … Read more
About Us For business cooperation, please contact QQ: 3350579506 For more exciting consultations, please follow Electrician 365 (diangong365) Electrician Home QQ Group:Group 1: 468193845 Group 2: 522898769 Often, technicians encounter this problem: why can’t my touch screen communicate with the PLC? For example, the following two issues: 1. The Weintek touch screen cannot communicate with … Read more
Over 90,000 friends have followed this industrial control WeChat platform:Technical sharing,Learning exchange,Industrial control videos “Free Online Trial” This course provides a detailed explanation of the hardware functions and system composition of Siemens panels, as well as the various software functions. Upon completion, you will be able to independently design, select, configure, and integrate HMI systems. … Read more
Author | Green Alliance Technology, GeWu Laboratory, Chen Jie Background In many upper-level configuration software, in order to facilitate developers for debugging and analysis, simulators are often equipped to simulate real PLC or HMI devices. These software generally exchange data with configuration software via TCP/UDP protocols, so some simulators may listen on specified ports, and … Read more
Search on WeChat Technical Training Can learning PLC be beneficial? Yes! It can lead to projects and income! So how can one undertake a project? What skills and knowledge are required? Today, let’s discuss these topics. Different PLC models carry different project scopes. Siemens S300/400 PLCs and S1500 PLCs are considered medium to large PLCs, … Read more
1. Determine the Connection Scheme, as follows: 2. Hardware Wiring The following are the wiring terminals of the touch screen, which has 9 pins, divided into one group of RS232 and another group of RS485. 1) RS232 is used to connect to PLC (COM1) Main Touch Screen Panasonic PLC 2) RS485 is used for connection … Read more
Engineers often encounter the problem: why can’t my touchscreen communicate with the PLC? For example, here are two issues: 1. The Wecon touchscreen cannot communicate with the Siemens PLC, always prompting that the PLC is unresponsive. What should be set up? Solution approach: You need to set the same baud rate, the same bit count, … Read more
Number of Connections The S7-200 SMART CPU can connect to Siemens HMI devices that support the PPI protocol through the integrated RS485 port or signal board, or connect to Siemens HMI devices that support the S7 protocol through the integrated Ethernet port. When the CPU’s three physical interfaces are connected to Siemens HMI devices (including … Read more