Product Overview

The Allen-Bradley 1756-L83ES is a GuardLogix 5580 safety controller. This processor belongs to the Bulletin 1756 series of programmable automation controllers. It provides scalable control solutions with integrated safety capabilities.

The controller inherits all functions from standard ControlLogix units. Furthermore, it supports online editing, forcing, and similar activities. Therefore, it suits applications requiring both standard and safety control in a single platform.

General Specifications

The 1756-L83ES offers robust processing capabilities for safety control systems.

• Manufacturer: Rockwell Automation.

• Brand: Allen-Bradley.

• Series: GuardLogix 5580 (Bulletin 1756).

• Part Number: 1756-L83ES.

• Product Type: Safety Controller.

• Display: 4 Character Alpha/Numeric Display.

• Weight: 0.39 kilograms (0.868 pounds).

Memory Specifications

The 1756-L83ES provides substantial memory for both standard and safety applications.

• User Memory (Standard): 10 megabytes.

• Safety Memory: 5 megabytes.

• Total User Memory: 15 MB.

I/O Capacity

The 1756-L83ES supports high I/O counts for large-scale systems.

• Maximum Digital I/O: 128,000.

• Maximum Analog I/O: 4,000.

• Total Maximum I/O: 128,000.

Task and Program Structure

The 1756-L83ES offers extensive multitasking capabilities.

• Standard Tasks: 31.

• Safety Tasks: 1.

• Programs Per Task: Up to 1,000.

Consequently, it handles complex applications with multiple execution priorities.

Communication Features

The 1756-L83ES provides versatile communication options.

• Built-in USB Port: USB 2.0 (12 Mbps).

• Embedded Ethernet Port: 10/100/1000 Mbps (1GB).

• Supported EtherNet/IP Nodes: Up to 250.

Safety Communication Options:

• EtherNet/IP (standard and safety).

• ControlNet.

• DeviceNet.

Thus, the controller integrates into diverse network architectures.

Power and Current Draw

The 1756-L83ES draws power from the ControlLogix backplane.

• Current Draw (1.2 Volts DC): 5.0 milliamps.

• Current Draw (5.1 Volts DC): 1.2 Amps.

• Thermal Dissipation: 21.2 BTU per hour.

• Isolation Voltage: 50 Volts (continuous).

• Dielectric Test: 1000 Volts AC for 60 seconds.

Environmental Specifications

The 1756-L83ES withstands typical industrial conditions.

Temperature Ranges:

• Operating Temperature: 0 to 60°C (32 to 140°F).

• Storage Temperature: -40 to 85°C (-40 to 185°F).

Environmental Tolerance:

• Moderate tolerance to shock and vibration.

• Suitable for common industrial environments.

Certifications and Standards

The 1756-L83ES meets international standards.

• CE.

• RCM.

• KC.

• CSA.

• c-UL-us.

Key Features

The 1756-L83ES offers several advantages for safety control applications.

Integrated Safety Controller:
Combines standard and safety control in one platform. Therefore, it reduces hardware complexity and cost.

Dual Memory Architecture:
10MB standard memory plus 5MB dedicated safety memory. Consequently, safety and standard code are securely separated.

High-Speed Ethernet:
1GB embedded Ethernet port supports up to 250 EtherNet/IP nodes. Hence, it suits large distributed control systems.

USB 2.0 Port:
Provides convenient local programming access at 12 Mbps. For this reason, technicians can connect directly without network configuration.

31 Standard Tasks + 1 Safety Task:
Extensive multitasking for complex applications. Thus, it handles multiple execution priorities efficiently.

1,000 Programs Per Task:
Supports large, modular program structures. Consequently, code organization and reuse are simplified.

Scalable Architecture:
Fits into standard ControlLogix chassis. Therefore, it integrates with existing ControlLogix I/O and communication modules.

Online Editing and Forcing:
Supports online changes without stopping the controller. Hence, productivity is improved during commissioning and maintenance.

Rugged Industrial Design:
Operates from 0 to 60°C with shock and vibration tolerance. For this reason, it suits demanding factory floor environments.

Typical Applications

The 1756-L83ES suits various safety control applications.

• Safety-rated machine control (SIL 3 / PL e).

• Emergency stop and safety interlock systems.

• Process safety applications in chemical and petrochemical plants.

• High-speed packaging machinery with safety requirements.

• Large-scale distributed safety systems with up to 250 EtherNet/IP nodes.

Installation Guidelines

Install the 1756-L83ES in any slot of a ControlLogix chassis (typically slot 0). First, ensure the chassis power supply can provide the required 1.2 Amps at 5.1V and 5 mA at 1.2V. Then, insert the controller into the slot.

Connect the embedded 1GB Ethernet port to the plant network for standard and safety communication. The controller supports up to 250 EtherNet/IP nodes. Use the USB 2.0 port for local programming and firmware updates.

The controller supports 31 standard tasks and 1 safety task. Up to 1,000 programs can be created per task. The 4-character alpha/numeric display shows controller status and diagnostic information.

What is in the Box

Please inspect all items upon delivery.

• Allen-Bradley 1756-L83ES GuardLogix 5580 safety controller.

• Installation instruction manual.

• Anti-static protective bag.

Frequently Asked Questions (FAQ)

1. How much memory does the 1756-L83ES have?

The 1756-L83ES has 10 MB of standard user memory and 5 MB of dedicated safety memory. Therefore, the total memory is 15 MB.

2. How many EtherNet/IP nodes does this controller support?

The 1756-L83ES supports up to 250 EtherNet/IP nodes. The embedded Ethernet port operates at 10/100/1000 Mbps.

3. What is the difference between standard tasks and safety tasks?

The 1756-L83ES supports 31 standard tasks for non-safety control logic. Additionally, it supports 1 dedicated safety task for safety-certified logic execution.

4. What software is required to program this controller?

The 1756-L83ES is supported in the Studio 5000 Automation Engineering & Design Environment (version 21 or later).

5. What safety communication options are available on this controller?

The 1756-L83ES supports safety communication over EtherNet/IP, ControlNet, and DeviceNet. Therefore, it integrates with various safety I/O and device networks.