write a note on safety component
Answers
Answer:
Introduction
PL Evaluation Procedure
Explanation of Terms
Troubleshooting
Safety Functions
Safety Components
Safety Circuit Example
Circuit Diagrams
Related Contents
Related Contents
Safety Components
Products
Cautions
Primary Contents
What Is a Safety Component?
Safety Components
OMRON products
Interlocking movable guards
Emergency Stop Device
Safety Sensor
Safety Controller
Safety-related Operating Switches
Safety Relays
Drive Devices Equipped with the Safety Function
What Is a Safety Component?
Safety components are used to construct safety-related control systems that ensure safety in machinery.
Definitions in the Machinery Directive
Safety components are defined in the broadest sense as shown below according to Article 2 of the Machinery Directive.
(1) Parts provided to ensure safety functions.
(2) Parts distributed independently within markets.
(3) A part that poses a threat to the safety of operators if damaged or functionally imperfect.
(4) A part that is unnecessary for the machine to work or its function can be achieved with a normal component.
Items Specified in the Machinery Directive
The following items are designated safety components in the Annex V. Refer to the Machinery Directive for details.
• Protective devices to detect operators
• Power interlock guards related to Annex IV 9 10 11
• Logic units that ensure safety functions
• Emergency stop devices
• Two-hand control devices
OMRON’s View of Safety Components
OMRON generically defines safety components as parts in the broadest meaning as previously mentioned as well as safety-related parts that are stipulated for use in safety circuits.
The Function of Safety Components
Control systems that affect safety must be designed to minimize the possibility of danger occurring even when there is a failure in an interlocking device. Safety devices are equipped with functions such as a direct opening action for switches and a forcibly guided mechanism for relays, as required by standards. These functions are designed to operate correctly within the control system in which they are used.
Answer:
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Explanation:
Safety Components
Risk and Safety Category Assessments.
Interlocking Devices.
Basic Safety Functions in the Event of a Fault.
Presence Detection.
Two-hand Controller.
Enabling Switches.
Functional Safety Technology.
