Allen-Bradley 1756-L81ES GuardLogix Safety Controller

Allen-Bradley 1756-L81ES GuardLogix Controller: Safety-Critical Power with Gigabit Speed

Need safety configuration help? Download Safety Integration Guide (PDF)

Advanced Communication

• Gigabit Ethernet port (10/100/1000 Mbps)
• USB 2.0 port (12 Mbps direct programming)
• Connects 100 EtherNet/IP devices simultaneously
• 4-character display for instant status checks

Technical Powerhouse

• Brand: Allen-Bradley | Model: 1756-L81ES
• Nonvolatile memory: 2 GB integrated storage
• Power use: 6.2W | Weight: 0.394 kg
• Operating temp: 0°C to 60°C (32°F to 140°F)

Safety Programming

• Safety tasks: Ladder Diagram only
• Standard tasks: LD + ST + FBD + SFC languages
• Removable safety memory: 1756-SD2 module

Easy Integration

• Fits 17 chassis types (A4/A7/A10/A13/A17 series)
• Works with 12 power supply models
• Redundancy support with specialized PSUs
• Single-slot installation

Diagnostics & Visibility

• Alpha-numeric display shows error codes
• Real-time safety system monitoring
• Studio 5000 software full compatibility

Global Support

• 12-month product warranty
• Worldwide shipping: FedEx • UPS • DHL
• Includes: Controller + documentation

Safety Controller FAQ

• Q: Memory expansion options?
  A: Only compatible with 1756-SD2 removable memory
• Q: Redundancy supported?
  A: Yes with ControlLogix redundancy modules
• Q: Programming software required?
  A: Studio 5000 Automation Engineering Suite
• Q: Safety task flexibility?
  A: Safety logic limited to Ladder Diagram
• Q: Ethernet device limit?
  A: Supports 100 EtherNet/IP nodes maximum