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What is Safety Relay? Advanced Industrial Automation Monitoring, Diagnostics and Alarm Capabilities

What is Safety Relay? Advanced Industrial Automation Monitoring, Diagnostics and Alarm Capabilities

2024/8/26
In modern industrial environments, safety has become an essential part of business operations as automation and mechanization increase. Industrial safety relays, as key components in the electrical control system, play a vital role. It is not only a bridge connecting the mechanical and electrical systems, but also an important line of defense to ensure the safety of personnel and the stable operation of equipment. Safety relay is a type of electrical component specially designed to monitor and control the operating status of industrial equipment. Its main function is to quickly cut power or take other safety measures when potential hazards or malfunctions are detected, thus protecting personnel and equipment from harm. Compared with ordinary relays, safety control relays have higher requirements for safety, reliability and response speed.
safety control relays
Safety Relay Functions and Features
Safety Relay Application
Real-time monitoring and protection: industrial safety relay can monitor the operating status of industrial equipment in real time, including the operation of motors, sensors and other key components. Once an abnormality is detected, such as overload, short circuit, overheating, etc., it can immediately cut off the power supply or start the corresponding protection mechanism to prevent accidents.
Emergency stop function: In case of emergency, such as personnel misoperation or sudden equipment failure, the safety relay system can quickly respond to realize the emergency stop of the equipment to ensure the safety of personnel and equipment.
Fault diagnosis and alarm: In addition to the direct protection function, the industrial safety relay also has the ability of fault diagnosis and alarm. It can diagnose faults in the process of equipment operation, and timely alarm through sound and light signals and other means to remind the personnel to deal with.
High reliability and stability: Due to the complexity and diversity of industrial environment, automatic reset relay must have high reliability and stability. It can work stably for a long time under the harsh environment to ensure the continuous effectiveness of the safety function.
Safety Relay QSRN
Power supply: 24 V DC
Relay safety output: 3NO + 1NC (PNP or NPN)
Maximum switching capacity: 12 A (Distributed on all safety output contacts)
Transistor signal output: <500 mA 24 V DC
Maximum switching capacity: 12 A (Distributed on all safety output contacts)
Contact resistance: <100 mΩ
Size: 117 × 100 × 22.5 mm
Class of pollution: 4 TYPE
CertificateI: SO, CE, UL, FCC, TUV
DADISICK Safety Control Relays
Fault Diagnosis Capability of Safety Relay
Real-time monitoring: Industrial safety relays can monitor the operating status of equipment in real time, including current, voltage, temperature and other key parameters. By comparing with preset safety thresholds, the relay is able to detect abnormalities in equipment operation in a timely manner.
Data Analysis: safety relay system typically have an intelligent chip or logic circuit built in that can quickly analyze the collected data. If the data is out of the normal range, the relay will immediately start the fault diagnosis program to make a preliminary judgment on the possible causes of the failure.
Fault location: Through complex logic analysis and signal processing technology, automatic reset relay can more accurately locate the specific location or component where the fault occurred. This helps maintenance personnel quickly locate the problem and reduce troubleshooting time.
Safety Relay Alarm Capability
Sound and light alarm: when equipment failure or abnormal situation is detected, the safety control relays will immediately trigger the sound and light alarm device. By emitting loud alarm sounds and clear light signals, it reminds site personnel to pay attention and take appropriate safety measures.
Signal output: in addition to the sound and light alarms, the relay will also transmit the fault information to the control system or monitoring center through specific signal outputs (e.g. electrical signals, digital signals, etc.). This helps to realize remote monitoring and fault diagnosis, and improves the efficiency and accuracy of fault handling.
Linkage control: in some cases, safety relays can also be linked with other safety devices (e.g. emergency stop buttons, safety gates, etc.) for linkage control. When a fault or abnormal condition is detected, the relay will immediately cut off power or activate other safety devices to ensure the safety of personnel and equipment.
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Safety Relay QSRN
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