Omron NX-SL5500 Safety CPU Unit

The NX-SL5500 is a high-capacity safety controller in Omron’s NX-series, designed for use within Sysmac automation systems. With support for CIP Safety over EtherNet/IP and FailSafe over EtherCAT (FSoE), this controller can manage up to 128 safety master connections and control up to 1024 safety I/O points. It features 2 MB of program memory and supports SD card-based backup and restore, delivering powerful safety logic control for complex machinery and production lines.

Part of a modular, DIN-rail mountable system, the NX-SL5500 enables synchronized, high-speed safety signal processing and is certified up to SIL 3 and PLe.

Technical Specifications

Model: NXSL5500
Product Type: Safety Controller (Safety CPU Unit)
Platform Compatibility: NX-Series, Sysmac Studio
Memory Capacity: 2 MB (2048 kB)
Supported Safety Protocols:

• CIP Safety over EtherNet/IP (CIP-S)
• FailSafe over EtherCAT (FSoE)
  Max. Safety Connections: 128 (CIP-S)
  Max. Safety I/O Points: 1024
  Signal Processing Method: Synchronous (cyclic)
  Backup/Restore Support: SD card (optional, sold separately)
  I/O System: NX I/O Bus
  Suitable for Safety Functions: Yes
  SIL Level: SIL 3 (IEC 61508), PLe (EN ISO 13849-1)

Communication Interfaces

• Integrated Communication: Via NX bus and EtherCAT (no physical ports on unit)
• Safety Communication Types:
  • CIP Safety (Master)
  • FSoE (Master)
• Network Integration: Used alongside NX-EIC, NX-ECC, or NJ/NX CPUs with built-in EtherNet/IP or EtherCAT

Electrical Specifications

• Power Supply Voltage: 24 VDC (via NX bus coupler or CPU unit)
• Internal Current Consumption: Approx. 0.06 A (5 VDC from internal bus)
• Isolation: Optical isolation between safety/control domains (via system)

Mechanical Specifications

• Mounting Type: DIN-rail
• Dimensions (H × W × D): 100 × 30 × 71 mm
• Weight: 130 g
• Terminal Type: Internal backplane connector (no external terminals)
• Housing Type: Modular plastic housing

Environmental Conditions

• Operating Temperature: 0 to 55°C
• Storage Temperature: –25 to 70°C
• Relative Humidity: 10% to 95% RH (non-condensing)
• Vibration Resistance: IEC 60068-2-6 compliant
• Shock Resistance: IEC 60068-2-27 compliant
• Protection Rating: IP20 (when panel mounted)

Standards & Compliance

• Certifications: CE, cULus, RoHS
• Safety Standards Met:
  • IEC 61508 (SIL 3)
  • EN ISO 13849-1 (PLe, Cat. 4)
  • EN 62061
• Functional Safety Compliance: Yes

Key Features & Benefits

✅ Advanced Safety Protocols. Supports both CIP-S and EtherCAT FSoE for broad compatibility.

✅ High Connection Capacity. Manages up to 128 safety master connections and 1024 I/O.

✅ SIL 3 Certified. Meets the highest international safety standards.

✅ Modular & Scalable. Easily integrated into NX automation architectures.

✅ SD Backup Supported. Enables simple program backup and restoration via SD card.

📦 Available Now from Drive Outlet Megastore

The Omron NX-SL5500 is the ideal solution for centralized or distributed machine safety control within modern automation networks. Perfect for integrators, OEMs, and manufacturers looking to implement certified, high-speed safety control across EtherNet/IP and EtherCAT platforms.

Request a quote or contact our technical team for real-time availability and configuration guidance.

Certified safety. Synchronized control. Built for Sysmac. – Drive Outlet Megastore