1785-L11B/E Allen-Bradley PLC CPUs & Systems

Allen-Bradley 1785-L11B/E Overview The Allen-Bradley 1785-L11B/E is a PLC-5/11 processor module from the classic PLC-5 series , offering 1K word user memory and supporting Data Highway Plus (DH+), RS-232 , and Remote I/O (RIO) communications. Designed for use in 1771 I/O chassis , it is ideal for compact control systems and legacy automation applications where reliability and simplicity are critical. Key Features Processor Type: PLC-5/11 User Memory: 1K words Communication Ports: DH+, RS-232, Remote I/O Mounting: 1771 I/O chassis Programming Software: RSLogix 5 or AI Series Battery-Backed Memory: Yes Status LEDs: Indicate power, fault, and communication Series: PLC-5 Classic Series Revision: E Technical Specifications Catalog Number: 1785-L11B/E Memory: 1K words of user memory Communication: 1 x RS-232 (serial port) 1 x DH+ (Data Highway Plus) 1 x RIO (Remote I/O scanner) Backplane Current Draw: 1.0 A @ 5V DC Operating Temperature: 0°C to 60°C Storage Temperature: –40°C to +85°C Chassis Compatibility: 1771 series Battery: Lithium battery supported for memory retention Certifications: UL, CE, CSA Applications Compact legacy control systems Factory automation panels OEM machine control Educational training systems RS-232 and RIO-based legacy networks Why Choose the 1785-L11B/E Proven Performance: Reliable processor for legacy systems Multi-Protocol: Supports DH+, RIO, and RS-232 communications Compact Memory: Suitable for small-scale automation tasks Long-Term Availability: Supported in retrofit and spare parts programs Compatible Architecture: Integrates easily into existing 1771 setups Order Now The Allen-Bradley 1785-L11B/E PLC-5/11 processor is available and ships worldwide.