Skip to content
Thousands of OEM Automation Parts In Stock
Fast Global Delivery with Reliable Logistics
Skip to product information
1 of 3

Allen-Bradley | 1785-L40C ControlNet Processor

Bulk Orders & Fast Shipping

Instant 10% Discount On Winter Banks Credit/Debit Cards EMI and CreditCard

Fast & Reliable Worldwide Shipping – Ready to Dispatch from Stock

In stock (16 units), ready to be shipped
  • Fast shipping
  • Return Policy
  • Lowest Price
  • Help Center 24/7

About the Product

Allen-Bradley 1785-L40C PLC-5/40C ControlNet Processor

ControlNet Powerhouse

• 48K words battery-backed SRAM memory

• 2048 I/O capacity (any mix or 2048 in/2048 out)

• 5Mbps ControlNet network capability

• Supports hot backup with 1785-CHBM cartridge

Performance Specifications

• Backplane current: 3.3A @ 5V DC

• Thermal dissipation: 59 BTU/hour

• Program scan: 0.5ms/K-word (bit logic)

• I/O scan: 3-10ms per rack (57.6-230.4kbps)

• Weight: 1.42kg (3lbs)

Network Connectivity

• RJ45 ControlNet port (5Mbps)

• 8-pin mini-DIN programming port

• 3-pin DH+ default port

• 25-pin D-shell serial port (57.6-230.4kbps)

• Co-processor expansion port

System Architecture

• Supports 61 total I/O chassis

• 32 universal remote I/O chassis max per link

• Compatible with 1771, 1794, 1746, 1791 I/O modules

• Network update time configurable (2-100ms)

Environmental Ratings

• Operating temp: 0°C to 60°C (32°F to 140°F)

• Storage temp: -40°C to 85°C (-40°F to 185°F)

• 5-95% non-condensing humidity

• 30G operational shock resistance

• 1G vibration resistance (10-500Hz)

Certifications & Memory

• UL, CE, CSA, C-TICK certified

• Optional EEPROM backup modules:

- 1785-ME16 (16K), ME32 (32K), ME64 (64K), ME100 (100K)

Ordering Details

• In stock - ready for immediate shipment

• Global express shipping available

• 12-month manufacturer warranty included

  • Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
  • Delivery: Expedited, freight, and international shipping available worldwide.
  • Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
  • Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
  • Payment: Flexible options including major credit cards, PayPal, and bank transfers.
  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
View Product Details