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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