1756-L1M1 Processor Module Allen-Bradley

Allen-Bradley 1756-L1M1 ControlLogix Processor Module

Technical Specifications

• Brand: Allen-Bradley
• Series: ControlLogix
• Model: 1756-L1M1
• Data & Logic Memory: 500 KB
• I/O Memory: 150 KB
• Expansion Memory: 512 KB
• Backplane Current: 950 mA at 5.1V, 20 mA at 24V
• Power Rating: 5.33 Watts
• Power Dissipation: 4.6 Watts average
• Thermal Dissipation: 15.6 BTU/hour
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C
• Relative Humidity: 5% to 95% non-condensing
• Weight: 0.35 kg (12.5 ounces)

Electrical Characteristics

• Isolation voltage: 30 volts continuous
• Withstands 500 volts for 60 seconds during testing
• ESD contact discharge immunity: 6 kV
• ESD air discharge immunity: 8 kV
• EFT/B immunity: ±4 kV on power ports
• Conducted RF immunity: 10Vrms from 150 kHz to 80 MHz
• Radiated RF immunity: 10V/m from 30 MHz to 1000 MHz

Environmental Durability

• Operating shock: 30G peak for 11 milliseconds
• Storage shock: 50G peak for 11 milliseconds
• Vibration range: 10-500 Hz at 2.0G maximum
• Open enclosure type rating
• Non-condensing operating environment

Installation & Accessories

• Installs in any available chassis slot
• Compatible battery: 1756-BA1 lithium battery
• Programming cable: 1756-CP3 Category 3 serial
• Removable terminal blocks: 1756-TBCH, 1756-TBS6H
• No built-in nonvolatile memory

Performance Features

• Enhanced ESD protection for industrial environments
• Superior RF immunity for reliable operation
• Extended temperature range operation
• Robust vibration and shock resistance
• Comprehensive electrical noise immunity

Frequently Asked Questions

What memory capacity does the 1756-L1M1 offer?

The 1756-L1M1 provides 500 KB for data and logic plus 150 KB dedicated to I/O memory.

What is the operating temperature range?

This controller operates reliably between 0°C and 60°C (32°F to 140°F).

What battery does this controller use?

Use only the recommended 1756-BA1 0.59g lithium battery for proper backup power.

How durable is this module in harsh environments?

The 1756-L1M1 features excellent ESD immunity (6kV contact, 8kV air) and robust shock/vibration resistance.

What programming cable is compatible?

Use the 1756-CP3 Category 3 serial cable for programming and configuration.

Is the product new and original?

We supply only brand new, original Allen-Bradley products with full manufacturer specifications.

What is your shipping time?

We process orders within 5 business days using reliable carriers including DHL, FedEx, and UPS.

Do you accept returns?

We offer a 30-day return policy for unused products in original packaging.

Contact: sales@nex-auto.com