1785-L11B
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Shipping & Delivery
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Product Conditions
Product Conditions
Surplus: Surplus units show no signs of installation or having been used previously. These units are in the original packaging, which may have been opened.
Used: Used units have been previously used and are inspected, cleaned and tested.
All units come with a 1 Year Replace Industrial Warranty.
Tax & Exemptions
Tax & Exemptions
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Product Conditions
Replace Industrial, LLC is not affiliated with any of the manufacturers listed on this website. All products are sourced & verified through the industrial surplus market and through other independent supply chains. We do not convey any manufacturer warranty with the product. Each product sold comes with a 2 Year Replace Industrial Warranty, unless specified otherwise. This warranty conveys solely through Replace Industrial, LLC. and is completely unaffiliated with any manufacturer warranty. The terms of our warranty can be found here.
Surplus: This unit is sourced through the industrial market outside of the manufacturer and has been independently verified to not have been used operationally previously. These units are in the original packaging, but the packaging & unit may show signs of shelf wear.
Used: This unit may have been previously used and show signs of wear. The unit has been independently verified and is guaranteed with a 1 Year Replace Automation Warranty. The unit has been sourced through independent supply chains in the industrial markets.
Firmware: Replace Industrial, LLC sells hardware only and does not sell firmware and makes no representation as to what firmware may or may not be present on the hardware. We do not obtain or provide software for customers.
Allen-Bradley 1785-L11B
The Allen-Bradley 1785-L11B is a PLC-5 series processor module featuring battery-backed static RAM with optional EEPROM programming backup. It supports a maximum total I/O capacity of 512 points, configurable as any mix or 384 inputs and 384 outputs complementary. The module can handle up to 512 analog I/O points and offers fast I/O scan times per rack, ranging from 3 to 10 milliseconds depending on communication speed. It supports up to 5 total I/O chassis with 4 universal remote chassis and includes one RS-232-C/422-A/423-A serial communication port, as well as a control coprocessor expansion port for enhanced system capabilities.
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1785-L11B |
| Module Type | Processor Module |
| User Memory | Battery-backed Static RAM |
| EEPROM Programming Backup | Optional |
| Max Total I/O | 512 (any mix) or 384 in + 384 out (complementary) |
| Max Analog I/O | 512 |
| I/O Scan Time per Rack | 10 ms @ 57.6 kbit/s, 7 ms @ 115.2 kbit/s, 3 ms @ 230.4 mbits/s |
| Max Total I/O Chassis | 5 |
| Max Universal Remote I/O Chassis | 4 |
| Serial Communication Port | 1 RS-232-C/422-A/423-A |
| Control Coprocessor Expansion Port | Yes |
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