Description
Detailed Parameter Table
Parameter Name | Parameter Value |
Product Model | CSA464AE |
Manufacturer | ABB |
Product Category | Safety Relay Module |
Safety Standard | SIL3 (IEC 61508), PLe (ISO 13849-1) |
Input Channels | 4 safety inputs (dual-channel) |
Output Channels | 2 safety relay outputs (NO contacts) |
Contact Rating | 6A @ 250V AC, 6A @ 30V DC |
Response Time | <20ms |
Operating Voltage | 24V DC (±20%) |
Power Consumption | 3W typical |
Operating Temperature | -25°C to +55°C |
Protection Class | IP20 |
Dimensions | 90 × 22.5 × 100 mm (W×H×D) |
ABB CSA464AE
Product Introduction
The ABB CSA464AE is a high-performance safety relay module designed for critical machine safety applications requiring SIL3/PLe level protection. As part of ABB’s comprehensive safety product portfolio, the CSA464AE provides reliable monitoring of safety devices such as emergency stops, light curtains, and safety interlocks in industrial automation systems.
This compact safety relay features four dual-channel inputs for connecting safety devices and two forcibly guided relay outputs with positive-driven contacts. The CSA464AE incorporates advanced diagnostics and cross-circuit detection to ensure safe operation while providing clear status indication through LED displays. Its modular design allows for easy integration into control panels and compatibility with ABB’s wider automation systems, making it particularly suitable for packaging machinery, robotic cells, and material handling equipment where personnel safety is paramount.
Core Advantages and Technical Highlights
Safety performance: The ABB CSA464AE meets the highest safety integrity levels with SIL3 certification according to IEC 61508 and Performance Level e (PLe) per ISO 13849-1. Its dual-channel architecture with cross-monitoring ensures failsafe operation, while the <20ms response time provides rapid reaction to emergency situations.
Reliable operation: Featuring forcibly guided relays (EN 50205 certified), the CSA464AE guarantees safe contact separation even in welded contact scenarios. The module’s wide operating voltage range (19.2-28.8V DC) ensures stable performance in fluctuating power conditions, and its robust design withstands industrial environments with vibration resistance up to 5g.
Diagnostic capabilities: Comprehensive diagnostic functions include input circuit monitoring, output contact surveillance, and power supply supervision. The CSA464AE provides clear visual status through multicolor LEDs for each channel, enabling quick troubleshooting and reducing machine downtime.
Flexible integration: With screw terminal connections and compact dimensions, the CSA464AE easily integrates into existing control cabinets. The module supports various safety input devices including contactors, E-stop buttons, and safety switches, making it versatile for different safety applications.
Typical Application Scenarios
The ABB CSA464AE is extensively used in industrial safety systems requiring high reliability. In automotive manufacturing, it safeguards robotic welding cells by monitoring safety gates and emergency stops, ensuring worker protection during automated operations. The module’s fast response time is critical for stopping hazardous motions within the required safety distance.
For packaging machinery, the CSA464AE provides reliable monitoring of light curtains and two-hand control devices, preventing access to dangerous areas while maintaining productivity. Its SIL3 certification makes it suitable for food processing equipment where safety and hygiene standards are stringent.
In material handling systems, the module ensures safe operation of conveyor systems and automated storage/retrieval systems by monitoring emergency pull cords and safety interlocks. The CSA464AE‘s robust design performs reliably in dusty environments typical of warehouse automation.
ABB CSA464AE
Related Model Recommendations
CSA464A: Basic version without extended diagnostics
CSA464BE: Enhanced version with additional test pulse outputs
CSA461AE: 2-input safety relay for simpler applications
CSA466AE: 8-input safety relay for complex systems
CSC464AE: Configurable safety controller version
CSD464AE: Safety relay with delayed outputs
CSP464AE: PROFIsafe communication version
Installation, Commissioning and Maintenance Instructions
Installation preparation: Mount the ABB CSA464AE vertically on a standard DIN rail in a well-ventilated control cabinet. Ensure proper grounding according to EN 60204-1 and maintain minimum 20mm clearance above and below the module. Verify all safety devices connected to the CSA464AE meet the required safety categories before power-up.
Maintenance suggestions: Perform quarterly inspections of terminal connections and module status LEDs. Test the complete safety circuit functionality periodically as required by safety standards. Replace the module immediately if the fault LED illuminates or if the internal diagnostics indicate any failure. Always use ABB-approved replacement parts and follow the documented safety validation procedures after any maintenance.
Service and Guarantee Commitment
ABB provides a 60-month warranty for the CSA464AE, demonstrating confidence in its reliability. The module undergoes extensive validation testing including 100,000+ mechanical operations and environmental stress screening. ABB’s global safety experts offer application engineering support and safety validation services. Customers receive lifetime access to safety manuals, validation documentation, and firmware updates through ABB’s safety portal. Certified safety training programs are available for proper implementation and maintenance of safety systems using the CSA464AE.