Product Overview

The Allen-Bradley 1756-L63XT is a ControlLogix-XT Logix5563 processor module. This controller withstands extreme temperatures in harsh and corrosive environments. It features conformal coating for enhanced protection. The Allen-Bradley 1756-L63XT provides 8MB of user memory and 478KB of I/O memory. Users trust this processor for demanding industrial applications.

Technical Specifications

The 1756-L63XT delivers robust processing power with extreme environment protection. Below are the complete technical details.

General Specifications

• Manufacturer: Rockwell Automation for industrial control reliability.

• Brand: Allen-Bradley for ControlLogix compatibility.

• Part Number: 1756-L63XT for precise identification.

• Series: ControlLogix programmable automation controller family.

• Module Type: Processor Module (Logix5563 Controller).

• UPC: 10612598554819 for universal product identification.

• Enclosure: None (open-style module).

• Conformal Coating: Yes for harsh and corrosive environments.

Memory Specifications

• User Memory: 8 MB for application storage.

• I/O Memory: 478 Kilobytes for I/O data.

• Nonvolatile Memory Option: CompactFlash memory cards.

• Supported CF Cards: 1784-CF64 (64 MB) or 1784-CF128 (128 MB).

I/O Capacity

• Maximum I/O: 128,000 total.

• Maximum Digital I/O: 128,000.

• Maximum Analog I/O: 4,000.

Controller Tasks and Programs

• Number of Tasks: 32 tasks.

• Event Tasks: All event triggers supported.

• Programs per Task: 100 programs maximum.

• Controller Connections: 250 maximum.

• Controller Redundancy: Supported for same controllers on ControlNet.

Temperature Specifications

• Operating Temperature: -25 to 70°C (-13 to 158°F).

• Storage Temperature: -40 to 85°C (-40 to 185°F).

• Maximum Surrounding Air Temperature: 70°C.

• With 1756-A7LXT Chassis: Range becomes -25 to 60°C.

• With FLEX I/O-XT: Range becomes -20 to 70°C.

Power Specifications

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

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

• Power Dissipation: 3.5 Watts.

• Thermal Dissipation: 11.9 BTU per hour.

Isolation Specifications

• Isolation Voltage (Continuous): 30 Volts.

• Type Tested: 720V DC for 60 seconds.

Communication Specifications

• Built-in Serial Port: RS-232 (1 port).

• Serial Protocols: DF1 radio modem, DF1 full/half-duplex, ASCII, Modbus via logic.

• ControlNet: Supported for high-speed control.

• DeviceNet: Supported for device-level networks.

• EtherNet/IP: Supported for standard Ethernet.

• Data Highway Plus: Supported for legacy networks.

• Remote I/O: Supported for older I/O systems.

• SynchLink: Supported for high-speed synchronization.

• Third-Party Networks: Process and device networks supported.

Compatible ControlLogix-XT Chassis

• 1756-A4LXT: 4-slot XT chassis.

• 1756-A5XT: 5-slot XT chassis.

• 1756-A7LXT: 7-slot XT chassis.

• 1756-A7XT: 7-slot XT chassis.

Environmental Specifications

• Relative Humidity: 5% to 95% (non-condensing).

• Vibration: 2 g at 10 to 500 Hz.

• Operating Shock: 30 g.

• Non-Operating Shock: 50 g.

Installation Guide

Follow these steps to install the Allen-Bradley 1756-L63XT correctly.

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

2. Select Compatible Chassis: Use 1756-A4LXT, A5XT, A7LXT, or A7XT.

3. Locate Processor Slot: Find the designated slot (typically slot 0).

4. Insert the Module: Slide the 1756-L63XT into the slot carefully.

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

6. Connect Serial Cable: Attach RS-232 cable to the built-in port.

7. Add Communication Modules: Install ControlNet or EtherNet/IP modules as needed.

8. Insert CompactFlash Card (Optional): Add 1784-CF64 or 1784-CF128 for nonvolatile memory.

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

10. Establish Communication: Use RSLogix 5000 programming software.

11. Download Program: Transfer the application to 8MB user memory.

12. Configure I/O: Set up digital and analog I/O up to 128,000 points.

13. Set Up Redundancy: For redundant systems, pair with same ControlNet controllers.

14. Verify Temperature Range: Ensure ambient stays within -25 to 70°C.

15. Test Operation: Confirm the processor runs as expected.

Installation Notes

• The module draws 1200 mA at 5.1V DC from the backplane.

• Conformal coating protects against harsh and corrosive environments.

• Operating temperature ranges from -25 to 70°C for standalone use.

• Maximum I/O is 128,000 digital and 4,000 analog points.

• The processor supports 32 tasks with 100 programs each.

Packaging List

This unit ships as a new and original product.

• Allen-Bradley 1756-L63XT ControlLogix-XT Logix5563 Processor

• Conformally coated module

• Product data sheet with installation guide

• Anti-static factory packaging box

Frequently Asked Questions (FAQ)

1. What is the user memory size of the 1756-L63XT processor?
The Allen-Bradley 1756-L63XT provides 8 MB of user memory. It also has 478 KB of I/O memory for data storage.

2. What is the operating temperature range for this extreme environment controller?
The 1756-L63XT operates from -25 to 70°C (-13 to 158°F). Storage temperature ranges from -40 to 85°C.

3. What makes the 1756-L63XT different from standard ControlLogix processors?
The Allen-Bradley 1756-L63XT features conformal coating for harsh environments. It withstands extreme temperatures and corrosive conditions.

4. What CompactFlash memory cards work with this processor?
The 1756-L63XT supports 1784-CF64 (64 MB) and 1784-CF128 (128 MB) CompactFlash cards for nonvolatile memory.

5. What is the maximum I/O capacity of the 1756-L63XT?
The Allen-Bradley 1756-L63XT supports 128,000 maximum total I/O. This includes 128,000 digital I/O and 4,000 analog I/O points.