Blog - Shanghai Chenzhu Instrument CO., LTD.

The Role of Safety Relay Contacts Feb 09 , 2023 The "safety relay" is not a "no-fault relay", but a regular action in the event of a fault. It has a forced guide contact structure to ensure safety in case of a fused contact, whi...

The Role and Function of Safety Relay Jan 18 , 2023 Ⅰ. The monitoring function of the safety relay on the input signalAll safety designs have dual-channel safety conditions. The existence of these safety conditions determines the state of the safety o...

Six Precautions for Safe Use of Intrinsically Safe Barriers Jan 11 , 2023 The intrinsically safe barrier will transmit the voltage and current signals from the dangerous area to safe areas through isolation and transmission to output a single-channel or mutually independent...

Classification and Measures for Lightning Protection in Buildings Dec 14 , 2022 1. Classification of lightning protection in buildingsAccording to the importance of the building, the nature of use, the possibility of lightning accidents and the consequences, as well as the requir...

The Formation and Harm of Lightning Nov 25 , 2022 Lightning disaster occurs frequently in summer, which belongs to a kind of meteorological disaster and is one of the ten most serious natural disasters recognized in the world. Lightning can cause cas...

Precautions for Installing Isolation Intrinsic Safe Barriers Oct 17 , 2022 The isolation intrinsic safety barrier is a device that is used in intrinsically safe explosion-proof systems to safely isolate field instruments. For explosion-proof systems and explosion-proof elect...

The Role of Intrinsic Safe Barriers and the Four Advantages of Isolated Barriers Oct 10 , 2022 Ⅰ. What is the role of intrinsic safety barriers?The intrinsic safety barrier is an energy-limiting circuit between the field equipment and the control room equipment, which is used to limit the elec...

Forms and Isolation Methods of Signal Isolators Jul 04 , 2022 Ⅰ. The form of signal isolators1. Input loop power supply isolation typeWith this isolation technique, the power required for the input and output component lines comes from the input. The input term...

Why Are Signal Isolators Necessary for a Control System? Jun 21 , 2022 In the production process, whether it is the control system or the monitoring system, it is possible to face the interference of complex factors, such as short circuit, overvoltage, unknown pulse and ...

Why Are Safety Relays Safe? Jun 07 , 2022 Ⅰ. Definition of safety relayA safety relay is a module composed of multiple relays and logic circuits, and is a circuit component unit. Its purpose is to complement each other's defects in fault...