1756-L81ES Safety Controller Module Allen-Bradley

Allen-Bradley 1756-L81ES GuardLogix 5580 Safety Controller Overview

Key Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-L81ES
• Series: GuardLogix 5580 Safety Controller
• Total Memory: 4.5MB (3MB Standard + 1.5MB Safety)
• Nonvolatile Memory: 2 GB integrated storage capacity
• Safety Rating: SIL 2 (Safety Instrumentation Level 2)
• Maximum I/O Capacity: 128,000 digital and 4,000 analog points
• Ethernet Port: 1GB (10/100/1000 Mbps auto-negotiating)
• USB Port: USB 2.0 with 12 Mbps data transfer
• Task Structure: 31 standard tasks + 1 dedicated safety task
• Programs per Task: Up to 1,000 programs for maximum flexibility
• EtherNet/IP Nodes: Supports up to 100 connected devices
• Network Connections: 256 EtherNet/IP; 128 TCP connections
• Operating Temperature: 0°C to 60°C (32°F to 140°F)

Frequently Asked Questions (FAQ)

• Q: What safety level does this controller achieve?
  A: The 1756-L81ES achieves SIL 2 (Safety Instrumentation Level 2) certification.
• Q: How does the memory split between standard and safety applications?
  A: It provides 3MB for standard memory and 1.5MB dedicated safety memory.
• Q: Can I use both safety and standard I/O with this controller?
  A: Yes, it supports mixed configurations of standard ControlLogix and Safety I/O modules.
• Q: What programming languages are available for safety tasks?
  A: Safety tasks use Ladder Diagram only; standard tasks support four languages.
• Q: Do you have the 1756-L81ES available for immediate shipment?
  A: Yes, we stock this controller and ship within 5 days via DHL, FedEx, or UPS.
• Q: What is your return policy for this safety controller?
  A: We offer a 30-day return period for qualified purchases.

Contact: Email sales@nex-auto.com or call +86 153 9242 9628 via WhatsApp for technical specifications and pricing information.