GuardLogix 5MB Safety Controller 1756-L82EK Allen Bradley

Product Overview

The Allen-Bradley 1756-L82EK is a conformal-coated GuardLogix 5580 safety controller for the ControlLogix platform. It combines 5 MB standard memory with 2.5 MB safety memory in a single chassis slot, delivering SIL 3 / PLe safety-rated control with a 1 Gbps embedded EtherNet/IP port supporting up to 175 devices.

Key Specs

• Standard memory: 5 MB
• Safety memory: 2.5 MB
• EtherNet/IP nodes: Up to 175 devices
• Ethernet port: 1 Gbps embedded RJ45
• USB port: USB 2.0 (12 Mbps) for programming
• Current draw: 5.0 mA @ 1.2 V DC, 1.20 A @ 5.1 V DC
• Power dissipation: 6.2 W
• Conformal coating: Yes, for corrosive environments

Why Choose This

• Conformal coating protects against moisture and corrosive atmospheres
• Integrated safety reduces hardware count and wiring complexity
• 1 Gbps Ethernet supports high-speed motion and safety communication
• 4-character display for enhanced diagnostics and troubleshooting

Common Questions

• What safety partner is required? The 1756-L8SP must be installed in the slot immediately to the right of the controller.
• What is the maximum I/O? 128,000 digital and 4000 analog I/O points.
• Which chassis are compatible? Series B and C 1756-A4, A7, A10, A13, and A17 chassis.

Mounting Steps

1. Install the controller in any slot of a compatible 1756 chassis.
2. Install the 1756-L8SP safety partner immediately to the right.
3. Connect the embedded Ethernet port to the EtherNet/IP network.
4. Verify the Energy Storage Module is fully seated.
5. Download the application using Studio 5000 Logix Designer.

Buying Advice

• Select 1756-L82EK for corrosive or high-humidity environments requiring safety control.
• For standard environments, the 1756-L82ES offers identical performance without coating.
• For larger applications, the 1756-L83ES supports 250 nodes with 10 MB memory.