PLC has stopped running and two modes. In different ways of working, PLC different methods of operation for debugging.² ² toolbar, click the "Run" button or the "Stop" button to enter the corresponding work.1. Select the STOP operating modeIn the STOP (Stop) mode of operation, you can create and edit programs, PLC in a semi-idle … Continue reading How to use STEP 7-Micro / WIN software select the operating mode
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STEP7-Micro / WIN software to download the compiled program to the PLC or uploaded to the computer
1. DownloadIf you have successfully run the establishment of communication between STEP 7-Micro / WIN32 PC and PLC, you can download the compiled program to the PLC. If you already have content will be overwritten in the PLC. Download the following steps:(1) Before downloading, PLC must be in the "Stop" operating mode. Check the PLC … Continue reading STEP7-Micro / WIN software to download the compiled program to the PLC or uploaded to the computer
S7-300 PLC weighing module Introduction
SIWAREX U weighing module is a compact electronic scales, measuring silo and hopper material level, for monitoring crane loads, load measurement on conveyor belts or industrial elevator, mill overload safety protection. SIWAREX M weighing module is the ability to verify the electronic weighing and dosing unit can be composed of multiple materials weighing system … Continue reading S7-300 PLC weighing module Introduction
Siemens S7-200 PLC Timer Area (T)
Relay output is used to output signals transmitted to load PLC, is dedicated output process image register. It can only be driven program instructions. At the end of each scan cycle, CPU output image register value is copied to the physical output points, and the sampling value is written to drive the load. Output relay … Continue reading Siemens S7-200 PLC Timer Area (T)
Siemens S7 series PLC types And application software
Germany Siemens (SIEMENS) produced by application of programmable logic controller in China is quite extensive, in the fields of metallurgy, chemical industry, printing production line are used. Siemens (SIEMENS) PLC of company products including LOGO,S7-200,S7-300,S7-400, industrial network, HMI HMI, industrial control software.PLC Siemens S7 series of small size, speed, standardization, network communication capabilities, more powerful, … Continue reading Siemens S7 series PLC types And application software
S7-300 PLC CPU Panel features
1, load power supply moduleLoad power supply module is used to convert AC 220V power supply DC 24V, for use by the CPU and I/O module and other modules.2, backup batteryBackup battery in the PLC is the role of power, to ensure the normal operation of the real-time CPU clock, and you can save a … Continue reading S7-300 PLC CPU Panel features
Siemens S7-300PLC OB tissue
OB73 redundancy error OBWhen the first redundancy fault-tolerant S7 connection is lost, the h CPU operating system called OB73 (fault-tolerant only S7 communication S7 connection) if other fault-tolerant S7 connection redundancy is lost, then there will be no more OB73. Until for all S7 connection is restored after redundancy with fault-tolerant features, will there be … Continue reading Siemens S7-300PLC OB tissue
WinCC Siemens S7 300 and 400 PLC OPC configuration
1. Configuration software: 1. SIMATIC STEP 7 5.42. SIMATIC NET 5.43. SIMATIC STEP 7 SIMATIC NET and 5.4 5.4 authorizationInstallation of SIMATIC STEP 7 SIMATIC NET and 5.4 5.4II. Configure the OPC STATION1. open the STEP 7 softwareFigure 12. Insert a SIMATIC PC StationFigure 23. renamed "PC2"Figure 34. configuration of SIMATIC PC STATIONG, double-click the "configuration"Figure … Continue reading WinCC Siemens S7 300 and 400 PLC OPC configuration
S7-200 PLC Data area
A) digital input and output image area1. Enter mapping registers (digital input image areas) (I)Digital input image is S7-200CPU for the input signal state opened up a store. Register identifier for the input image I, at the beginning of each scan cycle, CPU to sample the input points and registers the sample values in the … Continue reading S7-200 PLC Data area
The difference between Siemens PLC and S7-300 S7-200, S7-400
The main class is one of the programmable logic controller and module difference was S7-200 belonging to the basic entry level, while S7-300 and S7-400 relative to the use of higher-end. Siemens plc is the serial number of the product.---->S7 200: in the electric control system for small, focused on logical control;---->S7 300: for larger … Continue reading The difference between Siemens PLC and S7-300 S7-200, S7-400

