1756-L62S Allen Bradley | GuardLogix 5560 Series B Processor

Allen Bradley 1756-L62S GuardLogix 5562S Series B Safety Processor

Product Overview

The 1756-L62S (Part Number: 1756-L62S) is a specialized GuardLogix safety controller from the Allen-Bradley ControlLogix 5560 family. Distinctive by its red and grey front door, this Series B processor is engineered to handle integrated safety and standard control within a single chassis. It provides a robust solution for industrial environments that demand high-performance automation alongside functional safety compliance.

The 1756-L62S is certified for use in safety applications up to and including Safety Integrity Level 3 (SIL 3) and Performance Level e (PLe). By utilizing a primary controller in tandem with a safety partner (1756-LSP), it provides a fail-safe environment for mission-critical sectors such as automotive manufacturing, high-speed packaging, and complex material handling.

Detailed Technical Specifications

The 1756-L62S combines dedicated safety memory with standard processing power to ensure deterministic logic execution.

• Manufacturer: Allen-Bradley / Rockwell Automation

• Model / Part Number: 1756-L62S

• Series: GuardLogix 5562S (ControlLogix 5560 Series)

• Standard User Memory: 4 MB

• Safety User Memory: 1 MB

• I/O Memory: 478 KB

• Safety Certification: SIL 3 (IEC 61508), PLe (ISO 13849-1)

• Maximum I/O Capacity: 128,000 total points

• Maximum Analog I/O: 4,000 points

• Logic Execution Speed: 0.08 ms per 1K of logic instructions

• Nonvolatile Memory: Supports CompactFlash (1784-CF128 or 1784-CF64)

• Backplane Current (5.1V DC): 1200 mA

• Backplane Current (24V DC): 14 mA

• Power Dissipation: 3.5 Watts

• Thermal Dissipation: 11.9 BTU/hr

• Isolation Voltage: 30V Continuous (Basic Insulation Type)

• Battery Compatibility: 1756-BA2 (Series B recommended)

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

• Weight: 0.54 kg (1.19 lbs)