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Allen-Bradley 1785-L20C15/E ControlNet 1.5 Processor

Allen-Bradley 1785-L20C15/E ControlNet 1.5 Processor

  • Manufacturer: Allen-Bradley

  • Product No.: 1785-L20C15/E

  • Condition:1000 in stock

  • Product Type: ControlNet 1.5 Processor

  • Product Origin: USA

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Support
  • 30-Day Returns
  • Fast Shipping

Allen-Bradley 1785-L20C15/E ControlNet 1.5 Processor

The Allen-Bradley 1785-L20C15/E is a PLC-5 ControlNet 1.5 processor designed for high-speed, deterministic control applications. It supports multiple communication networks, including ControlNet, DH+, serial, and remote I/O, making it suitable for complex industrial automation systems.


Processor Specifications

Attribute Specification
Backplane Current 2.7A @ 5V DC (1785-L20C15)
Heat Dissipation 54 BTU/hour (1785-L20C15)
Operating Temperature 0–60°C (32–140°F)
Storage Temperature -40–85°C (-40–185°F)
Relative Humidity 5–95% (non-condensing)
Vibration Resistance 2g @ 10–500 Hz (IEC 60068-2-6)
Shock Resistance 30g (operating), 50g (non-operating)
Enclosure Type None (open-style)
Time-of-Day Clock Accuracy ±5 min/month @ 60°C, ±20 sec/month @ 20°C

Communication Capabilities

Network Type Details
ControlNet 1 redundant port, 5M bit/s
Remote I/O & DH+ 57.6K, 115.2K, 230.4K bit/s
Serial Communication 1 port
Number of MCPs 16

ControlNet Performance

Attribute Specification
Max Nodes (No Repeater) 48 (250 m cable)
Max Nodes (With Repeaters) 99
Max Link Cable Length (No Repeater) 1000 m (2 nodes), 500 m (32 nodes), 250 m (48 nodes)
Max Link Cable Length (With Repeaters) 6000 m (2 nodes), 3000 m (typical)
Max I/O Map Entries 64 (L20C15)
Max DIF/DOF Size 2000 words (L20C15)

I/O & Memory

Attribute PLC-5/20C15
Max User Memory 16K words
Max Total I/O 512
Program Scan Time 0.5 ms per K word (bit logic)
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Product Description

Allen-Bradley 1785-L20C15/E ControlNet 1.5 Processor

The Allen-Bradley 1785-L20C15/E is a PLC-5 ControlNet 1.5 processor designed for high-speed, deterministic control applications. It supports multiple communication networks, including ControlNet, DH+, serial, and remote I/O, making it suitable for complex industrial automation systems.


Processor Specifications

Attribute Specification
Backplane Current 2.7A @ 5V DC (1785-L20C15)
Heat Dissipation 54 BTU/hour (1785-L20C15)
Operating Temperature 0–60°C (32–140°F)
Storage Temperature -40–85°C (-40–185°F)
Relative Humidity 5–95% (non-condensing)
Vibration Resistance 2g @ 10–500 Hz (IEC 60068-2-6)
Shock Resistance 30g (operating), 50g (non-operating)
Enclosure Type None (open-style)
Time-of-Day Clock Accuracy ±5 min/month @ 60°C, ±20 sec/month @ 20°C

Communication Capabilities

Network Type Details
ControlNet 1 redundant port, 5M bit/s
Remote I/O & DH+ 57.6K, 115.2K, 230.4K bit/s
Serial Communication 1 port
Number of MCPs 16

ControlNet Performance

Attribute Specification
Max Nodes (No Repeater) 48 (250 m cable)
Max Nodes (With Repeaters) 99
Max Link Cable Length (No Repeater) 1000 m (2 nodes), 500 m (32 nodes), 250 m (48 nodes)
Max Link Cable Length (With Repeaters) 6000 m (2 nodes), 3000 m (typical)
Max I/O Map Entries 64 (L20C15)
Max DIF/DOF Size 2000 words (L20C15)

I/O & Memory

Attribute PLC-5/20C15
Max User Memory 16K words
Max Total I/O 512
Program Scan Time 0.5 ms per K word (bit logic)

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