Description
Allen-Bradley 1785-L46B PLC-5/46 Protected Memory Processor
Advanced PLC-5 controller with secure memory for critical automation applications. The Allen-Bradley 1785-L46B delivers high performance with enhanced data protection features.
Technical Specifications
Brand: Allen-Bradley (Rockwell Automation)
Model: 1785-L46B (PLC-5/46 Processor)
Memory: 48 Kilowords (Protected)
Max I/O: 2048 any mix; 2048 Input / 2048 Output
Communication Ports: 4x DH+/RIO, 1x Serial (RS-232/422/423)
Backplane Current: 3.0A at 5V DC
Power Dissipation: 17.3 Watts
Operating Temp: 0°C to 60°C (32°F to 140°F)
Storage Temp: -40°C to 85°C (-40°F to 185°F)
Battery: 1770-XYC (for memory backup)
Program Scan Time: 0.5ms per K word (bit logic)
I/O Scan Time: 3ms to 10ms (based on baud rate)
Max I/O Racks: 61 total, 60 remote
Weight: 1.42 kg (3.1 lbs)
Certifications: UL, CSA, CE, C-TICK
Compatibility & Installation
Compatible with Bulletin 1771, 1794, 1746, and 1791 I/O systems. Installs in the left-most slot of 1771-A1B, -A2B, A3B, -A3B1, -A4B chassis. Uses standard Allen-Bradley power supplies.
Warranty & Shipping
This product includes a 12-month warranty. We ship worldwide using FedEx, UPS, and DHL for fast and secure delivery.
Frequently Asked Questions
- What does “protected memory” mean?
It prevents unauthorized access to programs and critical data, enhancing security. - How many communication ports does it have?
It features four DH+/RIO combo ports and one serial port. - What is the maximum I/O capacity?
It can handle up to 2048 I/O points in any combination. - Can it control remote I/O racks?
Yes, it supports up to 60 universal remote I/O chassis. - What memory modules are compatible?
It works with 1785-ME32, 1785-ME64, and 1785-M100 memory modules.
Compare With Similar Products
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Allen-Bradley 1785-L80C ControlNet Processor
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