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Allen-Bradley 1785-L20C15 PLC-5/20C – Versatile ControlNet Processor

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  • 12-month warranty for peace of mind.
SKU: 1785-L20C15

Product details

🚀 Allen-Bradley 1785-L20C15 PLC-5/20C ControlNet Processor

The Allen-Bradley 1785-L20C15 brings reliable ControlNet power to industrial automation. This versatile 1785-L20C15 processor handles multiple networks and I/O with ease.

🔧 Technical Specifications

  • Brand: Allen-Bradley (Rockwell Automation)
  • Model: 1785-L20C15 (PLC-5/20C)
  • Series: PLC-5
  • Memory: 16K Words Battery-Backed RAM
  • Max Forcible I/O: 512 points (any mix)
  • Max Non-Forcible I/O: 32000 points
  • ControlNet Port: RJ-45 + 2 BNC connectors
  • DH+ Ports: Channel 1A (dedicated) + Channel 1B (configurable)
  • Serial Port: RS-232 (25-pin connector)
  • Backplane Current: 2.7A @ 5V DC
  • Heat Dissipation: 54 BTU/hour
  • Operating Temperature: 0°C to 60°C (32°F – 140°F)
  • I/O Scan Time: 0.5ms average (ControlNet)
  • Max Chassis: 77 total (12 universal remote)
  • Weight: Approx. 3.0 lbs (1.36 kg)

📦 Package Contents & Shipping

  • 1 x 1785-L20C15 ControlNet Processor
  • 1 x Quick Start Guide
  • 🛡️ 12 Months Warranty Coverage
  • 🚀 Worldwide Shipping via FedEx, UPS, DHL

❓ Frequently Asked Questions

  • What networks does the 1785-L20C15 support?
    It works with ControlNet, DH+, Remote I/O, and RS-232 networks.
  • Can I mix different ControlNet phases?
    No, you cannot mix phase 1.5 with phase 1.0 or 1.25 devices.
  • What is the difference between forcible and non-forcible I/O?
    Forcible I/O (512 max) can be manually overridden, non-forcible (32000 max) cannot.
  • How do I backup the program memory?
    Use battery backup or optional EEPROM modules (1785-ME16, ME32, ME64).
  • What does the BATT indicator light mean?
    It turns red when the internal lithium battery needs replacement.

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Original Source: https://www.powergearx.com/
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Specifications

  • BrandAllen-Bradley
  • Model TypeControlNet
  • Part Number1785-L20C15
  • ConditionOriginal Brand New
  • Warranty12 Months

Additional information

Weight0.25 kg
Dimensions237.5 × 183 × 55 mm
Country Of Origin

United States

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