The 1756-L55 is a high-performance processor module from Allen-Bradley, part of the ControlLogix Series A product family. It is designed for use in industrial environments, offering reliable automation control without user memory. The module ensures seamless integration in automation systems, providing a wide operating temperature range and robust durability.

Technical Specifications

• Brand: Allen-Bradley / Rockwell Automation
• Series: ControlLogix
• Part Number: 1756-L55
• User Memory: None
• Battery: Included (1756-BA1)
• Backplane Current at 5.1V DC: 1.23 to 1.25 Amps
• Backplane Current at 24V DC: 0.014 Amps
• Power Dissipation: 5.6 to 5.7 Watts
• Thermal Dissipation: 19.1 to 19.4 BTU per hour
• Isolation Voltage: 30 Volts (continuous)
• Enclosure Type: Open-style
• Weight: 0.79 lbs
• Operating Temperature: 0 to 60°C (32 to 140°F)
• Storage Temperature: -40 to 85°C (-40 to 185°F)
• Voltage Withstand: 707 Volts DC for 60 seconds
• Communication Port: RS-232