Product Overview

The Allen-Bradley 1756-L82ES is a GuardLogix series industrial controller. This GuardLogix controller is similar to the standard ControlLogix controllers. However, it is better suited for applications that need safety connections or safety logic.

The controller comes with 5 MB of user memory and 2.5 MB of safety memory. Furthermore, it supports up to 175 EtherNet/IP nodes. Therefore, it handles both standard and safety control in a single platform.

General Specifications

The 1756-L82ES offers high-performance safety and standard control.

• Manufacturer: Allen-Bradley / Rockwell Automation.

• Brand: Allen-Bradley.

• Series: ControlLogix / GuardLogix5580.

• Part Number: 1756-L82ES.

• Product Type: Industrial Controller (GuardLogix safety controller).

• User Memory: 5 MB standard memory.

• Safety Memory: 2.5 MB.

• Total Memory: 7.5 MB.

Task Capacity

The 1756-L82ES supports multiple tasks for complex applications.

• Task Capacity: 1 safety task and 31 standard tasks.

• Programs per Task: Up to 1000 programs.

Consequently, it handles large, multi-discipline applications with ease.

Communication and Networking

The 1756-L82ES supports a wide range of communication options.

• Integrated Ports: USB 2.0 (12 Mbps) and 1GB Ethernet.

• Ethernet/IP Devices Supported: Up to 175 devices.

• Link Speeds: 10 Mbps, 100 Mbps, and 1 Gbps.

• USB Port Speed: 12 Mbps.

Supported Networks:

• ControlNet.

• DeviceNet.

• Synchlink.

• Remote I/O.

• Data Highway Plus.

• EtherNet/IP (Note: 1756-EWEB module cannot be used for safety connections).

• NAT (Network Address Translation).

• Various third-party process and device networks.

Integrated Safety over EtherNet/IP

The 1756-L82ES provides integrated safety over the EtherNet/IP network. Therefore, safety I/O and standard I/O can coexist on the same network without additional hardware.

Programming Languages

The 1756-L82ES supports multiple IEC 61131-3 programming languages.

• Ladder Diagram (LD).

• Function Block Diagram (FBD).

• Structured Text (ST).

Thus, programmers can use their preferred language for each task.

Engineering Software

The 1756-L82ES is supported in the Studio 5000 Automation Engineering & Design Environment. Consequently, configuration and programming are integrated with other Logix-based controllers.

Display

The 1756-L82ES features a 4-character alpha/numeric display. This display provides controller status and diagnostic information at a glance.

Key Features

The 1756-L82ES offers several advantages for safety applications.

Integrated Safety and Standard Control:
Combines safety logic and standard control in one controller. Therefore, it reduces hardware complexity and cost.

Large Memory Capacity:
5 MB standard memory plus 2.5 MB safety memory. Hence, it supports large programs and complex safety applications.

High Device Count:
Supports up to 175 EtherNet/IP devices. Consequently, it scales to large distributed systems.

Flexible Networking:
Supports multiple network types including EtherNet/IP, ControlNet, and DeviceNet. Thus, it integrates into existing Rockwell Automation architectures.

Integrated Safety over EtherNet/IP:
Safety I/O communicates over standard EtherNet/IP. For this reason, no separate safety network is required.

Multiple Programming Languages:
Ladder Diagram, Function Block Diagram, and Structured Text are all supported. Hence, programmers can choose the best language for each task.

USB Port for Local Access:
USB 2.0 port at 12 Mbps for direct programming and firmware updates. Therefore, network access is not always required.

High-Speed Ethernet:
1GB Ethernet port supports 10 Mbps, 100 Mbps, and 1 Gbps link speeds. Thus, it handles high-speed communication and large data transfers.

Alpha/Numeric Display:
4-character display provides controller status and error codes. Consequently, troubleshooting is faster.

Typical Applications

The 1756-L82ES suits various safety and standard control applications.

• Machine safety systems (emergency stop, light curtains, safety gates).

• Process safety applications requiring SIL-rated control.

• High-availability systems with integrated safety.

• Large distributed I/O systems with up to 175 EtherNet/IP devices.

• Retrofit upgrades from standard ControlLogix to GuardLogix.

Installation Guidelines

Install the 1756-L82ES in a ControlLogix chassis. First, ensure the chassis power supply can provide adequate current for the controller and all I/O modules. Then, insert the controller into an available slot.

Connect the Ethernet port to the plant network or directly to programming workstation. The controller supports 10 Mbps, 100 Mbps, and 1 Gbps link speeds. Use the USB port for local programming and firmware updates.

Configure the controller using Studio 5000 software. Create one safety task and up to 31 standard tasks as required. Up to 1000 programs can be created per task. The controller supports up to 175 EtherNet/IP devices.

What is in the Box

Please inspect all items upon delivery.

• Allen-Bradley 1756-L82ES GuardLogix5580 safety controller.

• Installation instruction manual.

• Anti-static protective bag.

Frequently Asked Questions (FAQ)

1. What is the difference between 1756-L82ES and standard ControlLogix controllers?

The 1756-L82ES is a GuardLogix safety controller. It includes safety memory and safety task capability. Therefore, it is better suited for applications that need safety connections or safety logic.

2. How much memory does the 1756-L82ES have?

The 1756-L82ES has 5 MB of standard user memory. It also has 2.5 MB of dedicated safety memory. The total memory is 7.5 MB.

3. How many EtherNet/IP devices can this controller support?

The 1756-L82ES supports up to 175 EtherNet/IP devices. Consequently, it scales to large distributed control systems.

4. What programming languages are supported on this controller?

The 1756-L82ES supports Ladder Diagram, Function Block Diagram, and Structured Text. Hence, it meets diverse programming preferences.

5. Can the 1756-EWEB module be used for safety connections with this controller?

No. The 1756-EWEB module cannot be used to make safety connections with the 1756-L82ES. Use the integrated Ethernet port for safety I/O communication.