Allen-Bradley 1756-L82EK – ControlLogix Logix5580 Processor with Conformal Coating

The Allen-Bradley 1756-L82EK is a ControlLogix Logix5580 processor. Specifically, this controller belongs to the ControlLogix series from Rockwell Automation. It features 10 MB of user memory for data and logic. Furthermore, it includes a built-in USB port and a 1GB Ethernet port. In addition, this unit has conformal coating for enhanced environmental protection. Consequently, this processor suits demanding applications requiring high-speed communication and ruggedness.

Ordering Configuration and Product Identification

• Manufacturer: Rockwell Automation.

• Brand: Allen-Bradley.

• Part Number: 1756-L82EK.

• Series: ControlLogix.

• Module Type: ControlLogix Controller (Logix5580).

• User Memory: 10 MB.

• Maximum Digital I/O: 128,000.

• Maximum Analog I/O: 4,000.

• Maximum Total I/O: 128,000.

• EtherNet/IP Devices Supported: 80.

• HMI Message Capacity (without CIP security): 2000 messages per second.

• HMI Message Capacity (with integrity): 1500 messages per second.

• HMI Message Capacity (with integrity & confidentiality): 900 messages per second.

• Display: 4-character alphanumeric display.

• Software Support: Studio 5000 Automation Engineering & Design Environment.

• Coating: Conformally coated for harsh environments.

• Therefore, the Allen-Bradley 1756-L82EK offers substantial memory and high-speed messaging.

Current Draw and Power Specifications

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

• Current Draw (5.1 Volts DC): 1.20 milliamperes.

• Power Dissipation: 6.2 Watts.

• Thermal Dissipation: 21.2 BTU per hour.

• Isolation Voltage (Continuous): 50 Volts.

• Enclosure Type: None (open-style, requires chassis).

• Weight: Approximately 0.28 kg.

• Thus, the 1756-L82EK consumes minimal power for its processing capability.

Communication and Ethernet Specifications

• Built-in USB Port: Yes, for programming and configuration.

• Ethernet Port: 1GB port (10 to 1000 Mbps).

• Integrated Motion Support: Yes, on Ethernet/IP.

• CIP Security: Supports integrity and confidentiality options.

• Ethernet Speed Range: 10 to 1000 Mbps auto-negotiation.

• Programming Connection: USB or Ethernet.

• Network Integration: Seamless with Rockwell Automation systems.

• Message Handling: High-capacity HMI messaging.

• Consequently, the Allen-Bradley 1756-L82EK delivers flexible and secure communication.

Conformal Coating Feature

• Coating Type: Conformal coating applied to circuit board.

• Purpose: Protects against moisture, dust, and chemicals.

• Environment: Suitable for harsh industrial conditions.

• Benefit: Extends product lifespan in challenging environments.

• Application: Chemical plants, food processing, outdoor installations.

• Standard Coating: Not available on non-EK models.

• EK Suffix: Indicates conformally coated version.

• Therefore, the 1756-L82EK is ideal for applications with environmental exposure risks.

Front Panel Display and Status

• Display Type: 4-character alphanumeric display.

• Displayed Information: Device status, operating mode, diagnostics.

• Mode Selection: Changeable with key or software.

• Status Monitoring: Continuous prompts during operation.

• Troubleshooting: Quick visual diagnosis without software.

• Fault Indication: Clear error messages on display.

• User Feedback: Real-time controller status.

• Thus, operators can monitor processor status at a glance.

Studio 5000 Integration

• Engineering Environment: Studio 5000 Automation Engineering & Design Environment.

• Programming Languages: Relay ladder, structured text, function block, SFC.

• Configuration: Single software for all Logix5580 controllers.

• Code Management: Project organization and version control.

• Online Edits: Supported for live program changes.

• Simulation: Built-in capabilities for testing.

• Compatibility: Fully integrated with all ControlLogix I/O modules.

• Consequently, the 1756-L82EK is fully supported in modern Rockwell software.

Installation Guide

First, verify that all system power sources are completely disconnected. Then, select an available slot in your ControlLogix chassis. The Allen-Bradley 1756-L82EK occupies only a single slot. After that, slide the processor module into the chosen slot. Push firmly until the backplane connector is fully seated. Next, connect your USB programming device to the USB port for initial configuration. Alternatively, connect to the 1GB Ethernet port for network-based programming. Then, apply power to the ControlLogix chassis. The processor will begin its power-up sequence. After that, observe the 4-character alphanumeric display to confirm proper operation. Then, download your control program using Studio 5000 software. Configure the Ethernet port for your network (10 to 1000 Mbps). Set up CIP security options if required for your application. Finally, test all I/O connections and communication paths thoroughly. As a result, the Allen-Bradley 1756-L82EK will provide reliable high-performance control.

Packaging List

• One Allen-Bradley 1756-L82EK ControlLogix Logix5580 processor module

• One product identification label

• One installation and configuration guide

• Conformal coating (applied at factory)

Common FAQs

Q1: How much user memory does the Allen-Bradley 1756-L82EK provide?
A: This processor provides 10 MB of user memory. It supports up to 128,000 digital I/O and 4,000 analog I/O. Therefore, it handles large-scale control applications effectively.

Q2: What does the "EK" suffix mean on the 1756-L82EK?
A: The "EK" suffix indicates conformal coating on the circuit board. This coating protects against moisture, dust, and chemical exposure. Consequently, this model is ideal for harsh industrial environments.

Q3: What communication ports does the 1756-L82EK have?
A: This processor has a built-in USB port for programming. It also has a 1GB Ethernet port with speeds from 10 to 1000 Mbps. Therefore, it supports both local and network-based configuration.

Q4: What is the HMI message capacity of the Allen-Bradley 1756-L82EK?
A: Without CIP security, it handles 2000 messages per second. With integrity only, it handles 1500 messages per second. With both integrity and confidentiality, it handles 900 messages per second.

Q5: Does the 1756-L82EK support integrated motion control?
A: Yes, this controller supports Integrated Motion on Ethernet/IP. Therefore, it can control motion axes directly over the Ethernet network. This eliminates the need for separate motion networks.