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General| Input voltage | 24 V DC |
|---|---|
| Output type | Relay |
| Safety Integrity Level | SIL 3 |
| Performance Level | PL e |
| Rated current | 6 A |
| Switching current | 6 A |
| Protection class | IP20 |
| Connection type | Screw connection |
| Rated voltage | 250 V AC |
| Switching voltage | 250 V AC |
Defines the intended audience for the manual, focusing on safety control system designers.
Explains graphical symbols used throughout the document for safety-related equipment.
Lists additional resources like data sheets and application notes for product information.
Explains the principles of functional safety in machine control systems, including objectives and standards.
Details the steps for implementing safety functions according to EN ISO 13849, covering risk assessment and performance levels.
Outlines the procedure for safety control systems based on EN ISO 62061, focusing on safety integrity levels.
Explains cross-circuit detection as a safety measure to prevent loss of function due to single faults.
Provides guidance on calculating and adhering to maximum cable lengths for sensor wiring to ensure reliable operation.
Describes different stop categories (0, 1, 2) as defined in EN 60204-1 for machine stopping procedures.
Details the safe isolation provided by PSR safety relays between input/output and current paths, including insulation types.
Presents an overview of the PSRclassic series safety relays, including their technical specifications and applications.
Provides an overview of the PSRmultifunction series safety relays, highlighting their multi-functionality.
Introduces the modular safety relay system, detailing its components and system extension capabilities.
Explains the emergency stop function as a complementary protective measure for hazardous operations.
Covers the application of light grids and laser scanners as electro-sensitive protective equipment.
Discusses the use of guards with interlocking devices for monitoring and controlling access to hazardous areas.
Describes the function and selection criteria for enable switches used with startup controls to permit machine operation.
Explains two-hand control devices for localized safety, requiring simultaneous operator input during movements.
Details the use of force-guided contact extension modules to increase available contacts.
Demonstrates applications combining emergency stop, safety doors, and light grids with multifunctional relays.
Introduces the PSR-SDC4/2x1/B master module for modular safety relay systems, highlighting automatic operating mode detection.
Provides an example of a two-channel emergency stop monitoring application using the PSR-SDC4/2x1/B module.
Presents a two-channel light grid monitoring application example using the PSR-SDC4/2x1/B module.
Shows a two-channel safety door monitoring application example with manual reset using the PSR-SDC4/2x1/B module.
Explains the use of contact extension modules for additional contacts in modular systems.
Demonstrates an emergency stop monitoring application with contact extension using the PSR-URM4/4x1/2x2/B module.
Defines key technical terms and abbreviations used throughout the application manual.
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