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1756-L72

1756-L72 Logix5572 Controller by Allen-Bradley

A kan haja (22 guda), a shirye don aikawa

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-L72

  • Product Type: Processor Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 250g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Allen-Bradley 1756-L72 ControlLogix Logix5572 Processor Introduction

The Allen-Bradley 1756-L72 is a powerful ControlLogix Series Programmable Automation Controller (PAC). This module provides robust control for complex industrial applications. 

Core Technical Specifications

  • Brand & Manufacturer: Allen-Bradley / Rockwell Automation
  • Model & Series: 1756-L72 (ControlLogix Logix5572)
  • User Memory: 4 Megabytes for program and data storage.
  • I/O Memory: 0.98 Megabytes allocated for I/O data handling.
  • Maximum Digital I/O Capacity: 128,000 points for discrete signals.
  • Maximum Analog I/O Capacity: 4,000 points for analog signals.
  • Non-Volatile Memory: Ships with a 1 GB 1784-SD1 Secure Digital (SD) card. Upgradeable to 2 GB with the 1784-SD2 card.
  • Communication Port: 1 x Full-speed USB 2.0 port for programming and configuration.
  • Supported Networks: EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, and SynchLink.

Physical & Environmental Specifications

  • Operating Temperature Range: 0°C to 60°C (32°F to 140°F).
  • Storage Temperature Range: -40°C to 85°C (-40°F to 185°F).
  • Relative Humidity: 5% to 95% (non-condensing).
  • Vibration Resistance: 2 G from 10 to 500 Hz.
  • Operating Shock: 30 G, demonstrating high durability.
  • Isolation Voltage: 30 Volts continuous, tested at 500 V AC for 60 seconds.
  • Power Dissipation: 2.5 Watts (8.5 BTU per hour).
  • Module Weight: 0.25 kg (0.55 lb).

Installation & Compatibility Guide

  • The 1756-L72 controller occupies one slot in a compatible ControlLogix chassis.
  • Compatible Chassis: Models 1756-A4, A4K, A7, A7K, A10, A10K, A13, A13K, A17, and A17K.
  • Insert the module firmly into the chassis slot until the locking lever engages.
  • For optimal security, use the provided key to change the controller's operating mode.
  • Always install the supplied or approved Rockwell Automation SD card for non-volatile storage.
  • This controller fully supports system redundancy when paired with an identical module on ControlNet.

Package Contents & Shipping

  • One (1) Allen-Bradley 1756-L72 ControlLogix Controller Module.
  • One (1) 1GB 1784-SD1 Secure Digital (SD) memory card.
  • Three (3) Capacitor Energy Storage Modules (including removable and non-removable types).
  • One (1) Front panel display key for mode selection.
  • We ship globally using reliable carriers: FedEx, UPS, and DHL.

Frequently Asked Questions (FAQ)

What is the main difference between the 1756-L72 and older controllers?

  • The 1756-L72 uses a modern USB port instead of RS-232 for programming. It also employs an SD card for non-volatile memory instead of a battery, making maintenance easier.

Can I use any standard SD card with this controller?

  • We strongly recommend using only the official 1784-SD1 or 1784-SD2 cards from Rockwell Automation. Other cards may cause data loss or corruption, as they are not fully tested for this industrial environment.

Does the 1756-L72 controller support redundant configurations?

  • Yes, the Allen-Bradley 1756-L72 fully supports controller redundancy. You need to pair it with an identical controller on a ControlNet network for a high-availability system.
🏷️ Tags: Processor Module

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