1756-L81ES

Overview

• Product type designation: GuardLogix 5580 Safety Controller
• Model: 1756-L81ES
• Description: Safety controller with 3 MB user memory and 3 MB safety memory, designed for integrated safety and standard control
• Controller tasks: 31 standard tasks + 1 safety task, 1000 programs/task

Communication Ports

• Built-in communication ports: 1 USB port + 1 embedded Ethernet port
• USB port communication: USB 2.0, full speed (12 Mbps); for programming, configuration, firmware update, and online edits only (temporary local programming only, not for permanent connection; do not use in hazardous locations)
• Ethernet performance: 10/100/1000 Mbps

I/O Capacity (Class 0/1) - packets/second

• Without CIP Security: 128,000
• With integrity: 40,000
• With integrity and confidentiality: 20,000

Message Rate Capacity - HMI/MSG (Class 3) - messages/second

• Front port without safety partner without CIP Security: 2,000
• Front port without safety partner with integrity: 1,500
• Front port without safety partner with integrity and confidentiality: 900
• Front port with safety partner without CIP Security: 1,000
• Front port with safety partner with integrity: 750
• Front port with safety partner with integrity and confidentiality: 450
• Backplane without safety partner (with multiple 1756-EN4TR modules): 4,000
• Backplane with safety partner: 2,000
• Backplane with Logix SIS: 2,000

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