1756-L1 Powerful Controller Allen-Bradley

Allen-Bradley 1756-L1 ControlLogix Processor Module

Technical Specifications

• Brand: Allen-Bradley
• Series: ControlLogix
• Model: 1756-L1
• User Memory: 64 KB
• Communication Ports: One RS-232 interface
• Maximum Connections: 250 devices
• Backplane Current: 0.65A at 5V DC, 0.02A at 24V DC
• Power Dissipation: 3.3 Watts average
• 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
• Vibration Rating: 10-500 Hz at 2.0G maximum
• Weight: 0.28 kg (10 ounces)

Communication & Networking

• Supports multiple network protocols including EtherNet/IP
• Compatible with DeviceNet and ControlNet systems
• Works with DH+ and RS-232-C networks
• Enables communication across backplane with other controllers
• Uses DF1/DH-485 protocol for serial communication

Installation Guidelines

• Install directly into any slot of ControlLogix chassis
• Compatible with 1756-A4, A7, A10, A13, and A17 chassis
• Multiple controllers can operate in same chassis
• Occupies single slot width in the backplane
• Module power provided through chassis backplane

Memory & Accessories

• Compatible memory modules: 1756-M1, 1756-M2, 1756-M3
• Battery backup: 1756-BA1 or 1756-BA2
• Programming cables: 1756-CP3 and 1747-CP3
• Removable terminal blocks: 1756-TBCH, 1756-TBS6H
• No built-in nonvolatile memory

Environmental Specifications

• Operating shock: 30G peak for 11 milliseconds
• Storage shock: 50G peak for 11 milliseconds
• Thermal dissipation: 11.3 BTU/hour average
• Isolation voltage: 30 volts continuous
• Open enclosure type design

Frequently Asked Questions

What is the memory capacity of the 1756-L1 controller?

The 1756-L1 features 64 KB of user memory for program storage and data handling.

What networks does this controller support?

It communicates across EtherNet/IP, DeviceNet, ControlNet, DH+, and RS-232-C networks.

What is the operating temperature range?

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

Can I install multiple controllers in one chassis?

Yes, you can install multiple 1756-L1 controllers in any available slots within the same chassis.

What battery does this module use for backup?

Use only the recommended 1756-BA1 or 1756-BA2 lithium batteries for proper operation.

Is the product new and original?

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

What is your shipping policy?

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

Do you accept returns?

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

Contact: sales@nex-auto.com