951014-1

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951014-1 is the standard applied in process automation and covers a range of safety use cases. The standard is focused on signal detection, transmission and process control, as well as system structure, safety concepts, electrical devices and software controls.

951014-1 defines the requirements for special safety applications which must:

• Be capable of regulating plant processes with maximum internal reliability
• Protect persons, things, and the environment
• Provide a simplified working environment, through timely information and process monitoring

951014-1\'s application field covers areas such as hazard detection and control, process parameter monitoring, alarm and interlock systems and control system integration.

951014-1 has four main objectives when it comes to safety:

1. To minimize hazards to personnel and property.
2. To reduce down time of systems.
3. To analyze system dynamics and related safety requirements.
4. To ensure safe use through mandatory inspections/tests.

951014-1 works based on safety controllers combined with passive safety functional components and active sensors and actuators, where the several of the components can be distributed throughout the plant.

The main components used in the 951014-1 system are ​​the safety controller, safety sensors and safety actuators. These three elements communicate with each other through a safety circuit allowing for the control of operational safety functions.

The safety controller is the heart of the system, and is responsible for processing safety signals, evaluating safety functions and monitoring the safety signal chain. The safety controller is connected to passive components such as light curtains, light grids, safety mats and obstacles. Through the light curtain or light grid, the safety controller is able to detect the presence of a person in the protected area. It also connects to active sensors such as tilt switches, optical safety switches and pressure switches which can detect the presence of a person and the movement of objects.

The safety controller also connects to the safety actuators, which are required to interact with the environment in response to safety signals from the sensors. Typical safety actuators include emergency-stop switches, door monitors, and curtseys. All these components interact with each other through a safety signal chain which enables the safety controller to monitor all safety functions.

In addition to the safety controller, sensors and actuators, the 95 1014-1 system also includes safety software which is responsible for monitoring the system and triggering alarms in case of malfunctions. The safety software works in tandem with the hardware components to ensure that all safety requirements are adhered to and that all safety-related parameters are within acceptable limits.

The 95 1014-1 system is designed to ensure maximum safety for personnel and property. It is used to monitor and control various safety and operational aspects of process plants to ensure that all safety requirements are met. By using this system, plant owners and operators can be assured that all safety requirements are adhered to and that their operations are as safe as possible.

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