NX-SL3300 Omron Safety Controller CPU

The Omron NXSL3300 is a high-performance safety controller CPU designed for advanced functional safety applications within the NX I/O system. Supporting up to 32 safety master connections and 256 safety I/O points, this compact unit enables decentralized safety architectures with minimal wiring.

Certified to SIL3 (IEC 61508) and fully integrated into the Sysmac platform, the NX-SL3300 allows central programming, diagnostics, and maintenance of distributed safety systems with real-time performance and scalability.

Technical Specifications

Model: Omron SL3300
Series: NX Safety
Product Type: Safety Controller CPU Unit
Mounting Type: DIN rail (NX I/O Bus)
Weight (Unpacked): 75 g
Dimensions (W × H × D): 30 × 100 × 71 mm
Degree of Protection: IP20
SIL Certification: SIL3 (IEC 61508)

System & Performance

• I/O System: NX I/O Bus
• Signal Processing Type: Synchronous
• Supported Safety I/O: Up to 256 points
• Safety Master Connections: 32 max.
• Integrated Memory: 512 KB
• Input/Output Ports: None (requires external NX safety I/O modules)
• Analog/Digital Channels: Not included (uses external modules)
• Programming Environment: Sysmac Studio
• Communication Ports: None (data exchanged via NX bus and primary controller)

Mechanical & Connection Data

• Connection Type: Via NX bus coupler
• Expansion: Works with NX safety I/O modules (e.g., NX-SID800)
• Wiring: Internal bus connection, external I/O via connected modules
• Removable Terminals: Not applicable

Environmental & Compliance

• Operating Temperature: 0 to 55°C
• Storage Temperature: –25 to 70°C
• Humidity: 10% to 95% RH (non-condensing)
• Altitude: Up to 2000 m
• Vibration Resistance: Conforms to IEC 60068-2-6
• Shock Resistance: Conforms to IEC 60068-2-27
• Pollution Degree: 2
• Certifications:
  • CE
  • cULus
  • RCM
  • SIL3 (IEC 61508)
  • PL e (ISO 13849-1 when used in complete system)

Applications

Ideal for:

• Modular safety control across multiple machines
• SIL3/PL e compliant emergency stop and interlock systems
• Distributed I/O safety with minimal cabling
• Safety zone segmentation via multiple safety masters
• OEM machine builders requiring scalable safety logic

Key Features & Benefits

✅ Up to 256 Safety I/O Points: Supports large, complex safety applications.

✅ 32 Safety Masters: Ideal for multi-zone and distributed systems.

✅ Compact Design: Only 30 mm wide to save panel space.

✅ Certified SIL3 Safety: Meets the most demanding international safety standards.

✅ Sysmac Integration: Unified programming and diagnostics through Sysmac Studio.

📦 Available from Drive Outlet Megastore

The SL3300 Omron safety controller delivers powerful, certified safety control in a compact and expandable format. Ideal for modern automation systems requiring high-integrity safety and modular design flexibility.

Need help configuring a complete NX safety solution? Contact our safety specialists today.

Omron safety. Drive Outlet service — compliant, compact, and in control.