Difference between Panasonic PLC and Siemens PLC

Siemens and Japan have different input and output Panasonic, Japan Panasonic enter only x, output only y.In fact, language is the same, that is different, both can be converted.1. the programming of the software differencesSiemens SIMATIC PLC series offers a variety of programming software, mainly STEPMICRO/DOS and STEPMICRO/WIN; STEPmini standard package STEP7.S7 PLC programming language … Continue reading Difference between Panasonic PLC and Siemens PLC

Detailed steps for PLC system design and commissioning

(A) analysis of controlled objects control requirements andDetailed analysis of control processes and characteristics about control of interaction between mechanical, electrical, fluid, made the control requires control of PLC control system, identification of programmes, development proposal.(B) determine the input/output devicesAccording to the system requirements, and determine all of the required input devices (such as push … Continue reading Detailed steps for PLC system design and commissioning

Difference between conventional PLC and safety PLC

Safety programmable logic controller (PLC) is designed for special-purpose machines and equipment used for critical control and safety applications. These controllers are usually the safety instrumented system (SIS) as part of use in detecting potentially dangerous processes in industrial environments. If danger is detected, SIS applications automatically, switch to the process safety. Here, the user … Continue reading Difference between conventional PLC and safety PLC

Basic structure of the modular PLC

S7-300/S7-400 belongs to the modular PLC, main frame, power supply module, CPU module, signal modules, modules, interface module, communications processors, equipment and programming, a variety of module is installed in a rack. Through communication interface in the CPU module or module, on the PLC are connected to the communications network, you can communicate with other … Continue reading Basic structure of the modular PLC

Basic instruction of PLC and characteristics

PLC programming languages and computer languages, have distinctive features, which is different from a high-level language, and with the General Assembly, it is both easier to write, and to meet the requirement to debug. At present, there is no programming language to the manufacturers of products are compatible. If Mitsubishi products has its own programming … Continue reading Basic instruction of PLC and characteristics