Description
Allen-Bradley 1785-L80C ControlNet Programmable Controller
The Allen-Bradley 1785-L80C is a high-performance ControlNet processor for the PLC-5 series. This powerful controller from Rockwell Automation delivers exceptional processing capabilities with extensive network connectivity. It handles complex automation tasks with precision and reliability.
Technical Specifications
- Brand: Allen-Bradley / Rockwell Automation
- Model: 1785-L80C
- Processor Type: PLC-5/80C ControlNet
- User Memory: 100 Kilowords
- Max I/O Capacity: 3072 points (any mix)
- ControlNet Speed: 5 Mbps
- Network Update Time: 2-100ms user selectable
- Backplane Current: 3.3 Amps at 5V DC
- Heat Dissipation: 59 BTU/hour maximum
- Program Scan Time: 0.5ms per K word (bit logic)
- Clock Accuracy: ±5 minutes per month at 60°C
- Operating Temperature: 0 to 60°C (32 to 140°F)
- Communication Ports: ControlNet, DH+, Remote I/O, RS-232/422/423
- Max Nodes: 99 with repeater
- Cable Length: 1000m with 2 nodes, 250m with 48 nodes
- Weight: 3 pounds (1.36 kg)
Installation & Compatibility
- Installs in 1771 I/O chassis series
- Supports 2-slot, 1-slot, and ½-slot addressing modes
- Works with 1771 intelligent, 8-point, 16-point, and 32-point I/O modules
- Requires battery module 1770-XYC for memory backup
- Compatible with memory modules: 1785-ME32, -ME64, -M100
- Supports ControlNet hot backup cartridge 1785-CHBM
Packaging & Shipping
- Includes 1785-L80C processor unit only
- Industrial-grade protective packaging
- Worldwide shipping via FedEx, UPS, and DHL
- 12-month warranty against defects
Frequently Asked Questions
- What is the maximum network size for ControlNet?
It supports up to 99 nodes when using repeaters in the network. - How accurate is the internal clock in this controller?
The clock maintains accuracy within ±5 minutes per month at 60°C. - Can this controller operate in redundant configurations?
Yes, when used with the 1785-CHBM hot backup cartridge. - What transmission rates does the DH+ port support?
It supports 57.6K, 115.2K, and 230.4K bits per second rates. - How many remote I/O chassis can this controller handle?
It supports up to 32 universal remote I/O chassis per link.
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