1785-L20B
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Replace Industrial is NOT an authorized distributor for Allen-Bradley
Shipping & Delivery
Shipping & Delivery
Our standard shipping method is UPS Ground. We can also ship on your FEDEX or DHL account. We can ship many items our the same day via Overnight or 2 Day Shipping.
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
We currently only collect tax from customers in the state of North Carolina. If you are exempt on your purchase, please email your Sales Tax & Use Exemption Form to sales@replacenc.com.
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If you have already placed an order, please send us your form and we can refund the charged taxes.
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-L20B
The Allen-Bradley 1785-L20B is a PLC-5/20 Series B processor module featuring 16K words of battery-backed SRAM for reliable memory retention. It supports up to 512 total I/O points, configurable as any combination or complementary input/output pairs. Communication capabilities include one DH+ channel and one DH+/Remote I/O channel, allowing flexible integration with various networked devices. The module accommodates up to 13 I/O chassis total, with 12 remote chassis supported, making it suitable for medium-scale industrial control applications.
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1785-L20B |
| Series | PLC-5/20 Series B |
| Module Type | Processor Module |
| User Memory | 16K Words SRAM |
| Maximum Total I/O | 512 points (any mix or complementary) |
| Communication Channels | 1 DH+, 1 DH+/Remote I/O |
| Maximum Number of I/O Chassis | 13 total (12 remote) |
Payment & Security
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