1785-LT
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Product Conditions
Product Conditions
Original Packaging: Original Packaging 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.
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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-LT
The Allen-Bradley 1785-LT is a PLC-5 processor designed for scalable control in mid-size to complex automation systems. It supports up to 4 local racks (1 resident, 3 additional) and 3 remote I/O racks, with a total capacity of 3072 I/O points. The module comes with 6K words of SRAM memory, expandable to 14K via optional memory modules including the 1785-MR, 1785-MS, and 1785-MJ EEPROM. It offers reliable performance with scan times of 2 ms per 1,000 words for bit logic and 8 ms for typical programs. Integrated communication includes one DH+ channel and a standalone I/O scanner/adapter. Ideal for legacy systems requiring dependable control.
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1785-LT |
| Series | PLC-5 |
| Module Type | Processor |
| User Memory | 6K words SRAM (expandable to 14K) |
| Supported Local I/O | Up to 4 racks (1 resident) |
| Supported Remote I/O | Up to 3 remote I/O racks |
| Total I/O Capacity | 3072 points |
| Analog I/O Capacity | 512 points |
| Max Analog I/O | 3072 |
| I/O Capacity (Inputs/Outputs) | 512 inputs, 512 outputs |
| DH+ Channel | Yes |
| Remote I/O Channel | Yes |
| Communication Ports | 1 DH+, 1 RS-232-C/422-A/423-A |
| Control Coprocessor Port | Yes |
| Memory Modules | 1785-MR (4K RAM), 1785-MS (8K RAM), 1785-MJ (8K EEPROM) |
| Battery | 1770-XY |
| Addressing Modes | ½-slot, 1-slot, 2-slot |
| Max I/O Chassis (Universal Remote) | 32 per I/O link |
| Max I/O Chassis (Total) | 93 |
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