Description
Allen-Bradley 1785-L11B PLC-5/11 Standard Processor
A reliable and compact PLC-5 controller for essential automation tasks. The Allen-Bradley 1785-L11B is perfect for smaller control systems requiring robust performance.
Technical Specifications
Brand: Allen-Bradley (Rockwell Automation)
Model: 1785-L11B (PLC-5/11 Processor)
Memory: 8 Kilowords
Max I/O: 512 any mix; 384 Input / 384 Output
Communication Ports: 1x DH+/RIO, 1x Serial (RS-232)
Backplane Current: 2.3A at 5V DC
Power Dissipation: 12 Watts
Operating Temp: 0°C to 60°C (32°F to 140°F)
I/O Scan Time: 3ms to 10ms (based on baud rate)
Max I/O Racks: 5 total, 4 remote
Battery: For memory backup (included)
Key Switch: RUN, PROG, REM modes
Compatibility & Installation
Works with standard 1771 I/O modules. Installs in the left-most slot of a compatible 1771 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 reliable delivery.
Frequently Asked Questions
- What is the memory capacity of the 1785-L11B?
It has 8K words of user memory for program storage. - Can it communicate on Data Highway Plus (DH+)?
Yes, it has a built-in port that can be configured for DH+ communication. - How many I/O points can it control?
It can handle a system with up to 512 I/O points in any combination. - What is the key switch used for?
It selects the operating mode: RUN, PROGRAM, or REMOTE. - Does it support remote I/O?
Yes, it can be configured as either a Remote I/O Scanner or Adapter.
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