Allen-Bradley 1756-L1M3 Processor Module

Allen-Bradley 1756-L1M3 ControlLogix Processor Module

Technical Specifications

• Brand: Allen-Bradley
• Series: ControlLogix
• Model: 1756-L1M3
• User Memory: 2 MB
• I/O Memory: 150 KB
• Expansion Memory: 2 MB
• Backplane Current: 1.20A at 5.1V DC, 0.02A at 24V DC
• Power Dissipation: 5.4 Watts average
• Thermal Dissipation: 18.4 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
• Isolation Voltage: 30 volts continuous
• Weight: 0.36 kg (12.7 ounces)

Memory & Performance Features

• Substantial 2 MB user memory for complex applications
• Dedicated 150 KB I/O memory for efficient data handling
• Group 1, Class A emissions classification
• Open enclosure design for maximum flexibility
• No built-in nonvolatile memory

Environmental Durability

• Operating shock: 30G peak for 11 milliseconds
• Storage shock: 50G peak for 11 milliseconds
• Vibration resistance: 10-500 Hz at 2.0G maximum
• Withstands 500 volts for 60 seconds during testing
• Wide operating temperature range for harsh environments

Electrical Immunity & Protection

• ESD contact discharge immunity: 6 kV
• ESD air discharge immunity: 8 kV
• Radiated RF immunity: 10V/m from 30 MHz to 1000 MHz
• EFT/B immunity: ±4 kV on power ports
• Conducted RF immunity: 10Vrms from 150 kHz to 80 MHz

Frequently Asked Questions

What memory capacity does the 1756-L1M3 offer?

The 1756-L1M3 provides 2 MB of user memory plus 150 KB dedicated to I/O operations.

What is the power consumption of this controller?

It features 5.4 Watts average power dissipation and 18.4 BTU/hour thermal dissipation.

What temperature range can it operate in?

This controller operates between 0°C and 60°C (32°F to 140°F) with storage from -40°C to 85°C.

What electrical protection features are included?

The 1756-L1M3 offers comprehensive protection including 6kV/8kV ESD immunity and robust RF noise immunity.

What accessories are compatible with this module?

Use the 1756-BA1 battery and 1756-CP3 or 1747-CP3 programming cables.

Is the product new and original?

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

What is your shipping timeline?

We process orders within 5 business days using DHL, FedEx, and UPS shipping services.

Do you offer returns?

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

Contact: sales@nex-auto.com