Product Overview

The Allen-Bradley 1756-L83EP is a ControlLogix 5580E process controller. This processor belongs to the ControlLogix family of programmable automation controllers. It provides scalable control solutions for complex process applications.

The controller is based on the EtherNet/IP communication network. Furthermore, it includes a USB 2.0 port and a 1GB Ethernet port. Therefore, it offers high-speed connectivity for modern automation systems.

General Specifications

The 1756-L83EP offers robust processing capabilities for ControlLogix systems.

• Manufacturer: Rockwell Automation.

• Brand: Allen-Bradley.

• Series: ControlLogix (5580E Process Controller).

• Part Number: 1756-L83EP.

• Product Type: Processor.

• Compatible With: ControlLogix 5570/5560 Controllers.

• Installation Location: ControlLogix I/O Chassis.

• Display: 4 Character Alpha/Numeric Display.

Memory and I/O Capacity

The 1756-L83EP provides substantial memory for large control applications.

• User Memory: 10 MB.

• Controller Tasks: 32.

• Programs Per Task: 1,000.

• Event Triggers: Unlimited.

• Maximum Digital I/O: 128,000 I/O.

• Maximum Analog I/O: 4,000 I/O.

Power and Current Draw

The 1756-L83EP draws power from the ControlLogix backplane.

• Current Draw (5.1 Volts): 1.2 Amps.

• Current Draw (1.2 Volts DC): 5 milliamps.

• Power Dissipation: 6.2 Watts.

• Thermal Dissipation: 21.2 BTU per hour.

• Isolation Voltage: 50 Volts (continuous).

Communication Features

The 1756-L83EP offers versatile communication capabilities.

• Communication Ports: 1 USB Port (12 Mbps), 1 GB Ethernet Port.

• EtherNet/IP Devices Supported: Up to 250.

• Ethernet Nodes Options: 100 or 250.

• Supported Protocols: EtherNet/IP, ControlNet, EtherNet, and third-party options (device networks).

• Direct Connection: Supports direct connection to EtherNet/IP network without requiring a bridge module.

Hence, the controller integrates seamlessly into various network architectures.

Software Compatibility

The 1756-L83EP is supported in the Studio 5000 Automation Engineering and Design Environment. Therefore, programming and configuration use the standard Rockwell software platform.

SD Card and Non-Volatile Storage

The 1756-L83EP is intended for use with an SD card. These cards have been tested and confirmed to be compatible with this processor.

• Included SD Card: 2 GB SD card (optional non-volatile storage).

• Non-removable Storage: For energy (firmware and essential data).

• Extreme Temperature Tolerance: SD cards can withstand extreme industrial temperature levels.

Consequently, the controller supports convenient program storage and transfer.

Key Features

The 1756-L83EP offers several advantages for process control applications.

High Memory Capacity:
10 MB of user memory supports large, complex control programs. Therefore, it suits demanding process applications.

High I/O Capacity:
Supports 128,000 digital I/O and 4,000 analog I/O. Consequently, it handles large-scale distributed systems.

EtherNet/IP Native Communication:
Connects directly to EtherNet/IP networks without bridge modules. Hence, it reduces system complexity and cost.

1GB Ethernet Port:
Provides high-speed communication for real-time control and data exchange. For this reason, it meets performance requirements for process applications.

USB 2.0 Port:
Offers a convenient programming and firmware update interface. Thus, technicians can connect directly without network configuration.

Integrated Display:
The 4-character alpha/numeric display shows controller status and diagnostic information. Consequently, troubleshooting is faster.

SD Card Support:
Compatible SD cards provide non-volatile program storage. Therefore, controller replacement and program backup are simplified.

Scalable Architecture:
Compatible with ControlLogix 5570/5560 controllers. Hence, it fits into existing ControlLogix systems.

32 Tasks with 1,000 Programs Each:
Provides extensive multi-tasking capabilities. For this reason, complex applications can be organized efficiently.

Typical Applications

The 1756-L83EP suits various process control applications.

• Continuous process control in chemical and petrochemical plants.

• Batch process automation in pharmaceutical manufacturing.

• High-speed machine control with EtherNet/IP integration.

• Large-scale distributed control systems (DCS) replacement.

• Retrofit upgrades to existing ControlLogix systems.

Installation Guidelines

Install the 1756-L83EP in any slot of a ControlLogix I/O 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 processor into the slot.

Connect the 1GB Ethernet port to the plant network for EtherNet/IP communication. The controller supports up to 250 EtherNet/IP devices directly without bridge modules. Use the USB 2.0 port for local programming and firmware updates.

Insert a compatible SD card (2 GB included) for non-volatile program storage. The 4-character display shows status and diagnostic information. The controller is supported in Studio 5000 version 21 or later.

What is in the Box

Please inspect all items upon delivery.

• Allen-Bradley 1756-L83EP ControlLogix 5580E process controller.

• 2 GB SD card (included).

• Installation instruction manual.

• Anti-static protective bag.

Frequently Asked Questions (FAQ)

1. How much user memory does the 1756-L83EP have?

The 1756-L83EP provides 10 MB of user memory. It supports 32 controller tasks and 1,000 programs per task.

2. What communication protocols does this controller support?

The 1756-L83EP supports EtherNet/IP, ControlNet, EtherNet, and third-party device networks. It includes a 1GB Ethernet port and a USB 2.0 port.

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

The 1756-L83EP supports up to 250 EtherNet/IP devices. It can connect directly to the EtherNet/IP network without requiring bridge modules.

4. What software is required to program this controller?

The 1756-L83EP is supported in the Studio 5000 Automation Engineering and Design Environment (version 21 or later).

5. Does this controller include non-volatile memory for program storage?

Yes. The 1756-L83EP includes a 2 GB SD card for non-volatile program storage. It also has non-removable storage for firmware and essential data.