Allen Bradley 1785-L40B PLC-5/40 CPU module 48K memory 2048 I/O points 4 DH+ RIO ports RS232 RS422 RS423 discontinued refurbished 12 month warranty

Product Overview

• 1785-L40B is a PLC-5/40 processor module of Allen Bradley PLC-5 series
• Installed in 1771 I/O chassis as main controller for medium to large industrial automation systems
• Built with 48K words battery backed SRAM memory supporting up to 2048 local and remote I/O points
• Equipped with 4 DH+ Remote I/O ports and one multi function serial port for diverse network communication

• Discontinued original model for legacy system maintenance module replacement and spare parts reserve

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Core Features

• 48K words battery backed SRAM memory for program and data storage
• Supports up to 2048 mixed discrete and analog I/O points
• 4 DH+ Remote I/O ports configurable as scanner or adapter mode
• Integrated serial port configurable for RS-232 RS-422A RS-423-A standards
• EEPROM program backup support via optional memory cards

• Optimized hardware design for stable operation in harsh industrial environments

Technical Parameters

• Brand: Allen Bradley Rockwell Automation
• Part Number: 1785-L40B
• Series: PLC-5/40
• Type: Processor CPU Module
• User Memory: 48K Words SRAM
• Max I/O Capacity: 2048 Points
• Communication Ports: 4 DH+ RIO 1 RS-232 422 423
• Backplane Current: 3.3A @5VDC
• Power Consumption: 17.3W
• Operating Temperature: 0°C ~ 60°C
• Storage Temperature: -40°C ~ 85°C
• Weight: 1.4kg
• Condition: Original Discontinued Refurbished

• Warranty: 12 Months

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Applications

• PLC-5 series automation system main control unit
• Chemical power water treatment and large manufacturing process control
• Legacy production line upgrading and old equipment renovation

• PLC-5 CPU replacement system backup and spare parts stocking

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Our Advantages

• Fully tested and calibrated before delivery
• Sufficient stock fast global shipping
• Professional technical support for installation and programming
• Competitive bulk wholesale price available