Many beginners to abbreviation (PLC) to worry about. PLC is what, what is a PLC? What does PLC mean?Is actually very simple, official definitions of same, I understand. What's PLC? PLC is an intelligent controller, is a computer (PC). PLC is a programmable logic controller. PLC programmable controller is: English universal Programmable Logic Controller PLC, … Continue reading What is a PLC? PLC What does it mean?

Thermocouple and RTD are contactless temperature measurement of temperature measurement, although its the same, it is measuring the temperature of a body, but their principles and characteristics are different.First of all, introduce the thermocouple. The temperature of thermocouple temperature measurement is the most widely used devices, whose main features are wide temperature range, stable performance, … Continue reading Difference of thermocouple and thermal resistance

Hardware differencesS7-300 in order to meet the large and middle scale control system, and design more modular. S7-200 series is integral, CPU module, the I/O module and the power supply module in a module, called CPU modules and S7-300 series, from the power supply, I/O,CPU and the rail is a separate module.Actually S7-200 series can … Continue reading Difference between Simens PLC S7-200 and S7-300

1, MPI is a Multi-Point Interface, suitable for PLC 200/300/400, operator Panel PC MPI/PROFIBUS and TP/OP communication card, supported MPI network communication speed for the network communication speed of 12Mbit/s. MPI network can connect up with 32 nodes, maximum communication distance is 50m, but can use repeaters to extend the length.PPI Protocol is a communications … Continue reading ppi_mpi_profibus