1756-L73XT Allen-Bradley ControlLogix-XT Logix5673 Controller

Overview

The Allen-Bradley 1756-L73XT ControlLogix-XT controller by Rockwell Automation is a robust processor module designed for demanding industrial environments. Coated for resistance to harsh and corrosive conditions, it supports extreme temperatures ranging from -20 to +70°C (-4 to +158°F). This controller delivers seamless performance with FLEX I/O-XT modules, offering high reliability for mission-critical applications.

Features

1. Conformally Coated: Enhanced protection against harsh and corrosive environments.
2. Memory: 8 MB user memory and 0.98 MB I/O memory.
3. Temperature Tolerance: Operates in temperatures from -20 to +70°C (-4 to +158°F).
4. Connectivity: Equipped with a USB 2.0 port supporting speeds up to 12 Mbps.
5. Durability: Withstands 30g operating shock and 50g non-operating shock.
6. Advanced Compatibility: Works with 1756-A4K, 1756-A7K, 1756-A10K, 1756-A13K, and 1756-A17K chassis for specific temperature applications.

Technical Specifications

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Model Number: 1756-L73XT
• Suffix Meaning: XT indicates the extended temperature range and conformal coating for harsh environments.
• Module Type: Processor
• I/O Memory: 0.98 MB
• User Memory: 8 MB
• Maximum I/O: 128,000 Digital, 4,000 Analog
• Current Draw: 800 mA at 5.1V DC, 5 mA at 1.2V DC
• Power Dissipation: 2.5 W
• Thermal Dissipation: 8.5 BTU/hr
• Isolation Voltage: 30 V Continuous
• Weight: 0.25 kg
• Enclosure: None
• Operating Vibration: 10–500 Hz
• Operating Shock: 30 g
• Non-Operating Temperature: -40 to 85°C

Applications

• Industrial Automation: Ideal for process control in harsh environments.
• Extreme Temperature Operations: Suitable for outdoor or temperature-controlled facilities.
• Corrosive Environments: Designed for chemical plants, refineries, and marine applications.

FAQs

Q1: What chassis are compatible with the 1756-L73XT in low-temperature conditions?
A: For low temperatures, use the 1756-A4K, 1756-A7K, 1756-A10K, 1756-A13K, or 1756-A17K chassis.

Q2: Does the controller support redundant power supplies?
A: No, the 1756-L73XT only supports standard power supplies like the 1756-PAXT and 1756-PA30XT.

Q3: Can the battery of the 1756-L73XT be replaced?
A: No, the battery is non-replaceable.

Q4: What is the maximum surrounding air temperature for operation?
A: The controller operates at a maximum surrounding air temperature of 70°C.

Check official datasheet for more detailed information: ControlLogix and GuardLogix Controllers