Product Overview

The Allen-Bradley 1756-L63S is a GuardLogix controller from the ControlLogix product line. This controller includes all standard ControlLogix features plus safety-related capabilities. It supports both standard and safety communication through EtherNet/IP, DeviceNet, and ControlNet. The Allen-Bradley 1756-L63S has 8MB of user memory and 3.75MB of safety memory. Users trust this controller for SIL 3 safety applications.

Technical Specifications

The 1756-L63S delivers robust safety control with extensive memory capacity. Below are the complete technical details.

General Specifications

• Manufacturer: Rockwell Automation for industrial control reliability.

• Brand: Allen-Bradley for ControlLogix compatibility.

• Part Number: 1756-L63S for precise identification.

• Series: ControlLogix programmable automation controller family.

• Module Type: GuardLogix Controller (safety-rated).

• UPC: 10612598345356 for universal product identification.

• Enclosure: None (Open-Style).

Memory Specifications

• User Memory: 8 MB for standard program storage.

• Safety Memory: 3.75 MB for safety-related functions.

• I/O Memory: 478 KB for I/O data.

• Memory Card Support: For OS upgrades, program storage, and data retrieval.

• Lithium Battery: Built-in for memory backup.

I/O Capacity

• Maximum I/O: 128,000 total.

• Maximum Digital I/O: 128,000.

• Maximum Analog I/O: 4,000.

Safety Features

• Safety Partner: Coprocessor provides isolated second channel.

• SIL 3 Rating: Suitable for SIL 3 safety applications.

• Safety Communication: EtherNet/IP, DeviceNet, and ControlNet.

• Standard Communication: Same networks for non-safety data.

• No Additional Wiring: Power supply requires no extra configuration.

Power Specifications

• Current Draw (5.1 Volts DC): 1200 milliamperes.

• Current Draw (24 Volts DC): 14 milliamperes.

• Power Dissipation: 3.5 Watts.

• Thermal Dissipation: 11.9 BTU per hour.

Isolation Specifications

• Isolation Voltage (Continuous): 30 Volts.

Operating Modes

• RUN Mode: Normal execution.

• PROGram Mode: Programming and configuration.

• REMote Mode: Remote operation control.

• Key Switch Positions: Located on device body for controlled functioning.

Controller Architecture

• Primary Controller: Controls entire operation and configuration.

• No Key Switch on Safety Partner: Operation controlled by primary.

• No Communication Port on Safety Partner: Relies on primary controller.

• Physical Connections: Supported by ControlLogix chassis.

• Chassis Compatibility: Standard ControlLogix chassis.

Functional Capabilities

• Report Generation: Create system reports.

• Arithmetic Computations: Perform mathematical operations.

• Data File Manipulation: Manage data files efficiently.

• I/O Control: Manage input and output points.

• OS Upgrades: Via memory cards.

Installation Guide

Follow these steps to install the Allen-Bradley 1756-L63S correctly.

1. Power Down the Chassis: Turn off all power to the ControlLogix rack.

2. Verify Chassis Compatibility: Use a standard ControlLogix chassis.

3. Locate Processor Slot: Find the designated slot for the primary controller.

4. Insert the Module: Slide the 1756-L63S into the slot carefully.

5. Secure the Module: Lock using the retaining clips at top and bottom.

6. Insert Safety Partner: The coprocessor pairs automatically with primary.

7. Add Communication Modules: Install EtherNet/IP, DeviceNet, or ControlNet modules.

8. Connect Power Supply: No additional wiring needed for safety functions.

9. Apply Power: Turn on the chassis power supply.

10. Set Key Switch: Select RUN, PROG, or REM position on the device body.

11. Establish Communication: Use RSLogix 5000 with GuardLogix add-on profile.

12. Download Standard Program: Transfer application to 8MB user memory.

13. Download Safety Program: Transfer safety logic to 3.75MB safety memory.

14. Configure I/O: Set up standard and safety I/O points.

15. Test Safety Functions: Verify SIL 3 safety operations.

16. Verify Redundant Channel: Check the isolated second channel from safety partner.

Installation Notes

• The primary controller controls all operation and configuration.

• No key switch or communication port exists on the safety partner.

• The built-in lithium battery maintains memory during power loss.

• Power supply is suitable for SIL 3 applications without extra wiring.

• The controller supports both standard and safety communication simultaneously.

Packaging List

This unit ships as a new and original product.

• Allen-Bradley 1756-L63S GuardLogix Controller (Primary)

• Safety partner coprocessor (paired)

• Built-in lithium battery (pre-installed)

• Product data sheet with safety manual

• Anti-static factory packaging box

Frequently Asked Questions (FAQ)

1. What is the memory capacity of the 1756-L63S GuardLogix controller?
The Allen-Bradley 1756-L63S has 8MB of user memory for standard programs. It also provides 3.75MB of safety memory for safety-related functions.

2. Does the 1756-L63S support standard and safety communication on the same network?
Yes, the 1756-L63S supports both standard and safety communication. It works through EtherNet/IP, DeviceNet, and ControlNet networks simultaneously.

3. What is the maximum I/O capacity of this GuardLogix controller?
The 1756-L63S supports up to 128,000 total I/O points. This includes 128,000 digital I/O and 4,000 analog I/O points.

4. What safety rating does the 1756-L63S hold?
The Allen-Bradley 1756-L63S is suitable for SIL 3 safety applications. The power supply requires no additional configuration or wiring.

5. How does the safety partner work with the primary controller?
The coprocessor safety partner provides an isolated second channel for safety functions. The primary controller controls all operation and configuration without a key switch on the safety partner.