The 1756-L81E Allen-Bradley PROGRAMMABLE CONTROLLER MODULE is a versatile ControlLogix 5580 series controller with 3MB user memory, supporting up to 128,000 I/O points. It features built-in Ethernet and USB connectivity for flexible industrial automation applications.

Technical Data Summary

Processor & Memory: ControlLogix 5580 series PAC with 3 MB user memory and 2 GB non-volatile SD card.

I/O Capacity: Supports up to 128,000 digital and 4,000 analog I/O points.

Communication: Features a built-in 10/100/1000 Mbps Ethernet port, USB 2.0 port, and supports multiple networks (EtherNet/IP, DeviceNet, ControlNet, etc.).

Physical: Single-slot module for versatile chassis installation; open-style enclosure.

Environmental: Operates from 0 to 60°C (32 to 140°F) with T4 temperature code; rated for 30G shock and 2G vibration.

Certifications: Compliant with IEC, CSA, c-UL-us, and ATEX standards for industrial use.

FAQ

Q1: What is the memory configuration of the 1756-L81E controller?

A1: It has 3 MB of user memory and includes a 2GB non-volatile SD card for storage.

Q2: What communication interfaces are built into the controller?

A2: It features one embedded Ethernet port (10/100/1000 Mbps) and one USB 2.0 port for connectivity.

Q3: What is the maximum I/O capacity supported by this controller?

A3: It supports up to 128,000 digital I/O points and 4,000 analog I/O points.

Q4: Can the 1756-L81E be used in redundant or high-availability systems?

A4: Yes, it is compatible with various standard and redundant power supplies for simplex or redundant configurations.

Q5: What are the environmental operating specifications for this controller?

A5: It operates from 0°C to 60°C (32°F to 140°F) with 5-95% humidity and is rated for shock (30G) and vibration (2G) resistance.