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Allen-Bradley 1785-L20C15

SKU: 1785-L20C15-R-USA

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All Parts Come with 12 Month Warranty

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

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Condition SKU Stock Location and Best Delivery Date Price Purchase
Refurbished 1785-L20C15-R-USA 1 United States $1,159.95
The Allen-Bradley 1785-L20C15 is a robust PLC-5 Controller designed for seamless integration into complex control systems. This enhanced controller is well-suited for ControlNet phase 1.5 networks, enabling efficient communication and real-time data exchange across multiple devices via its built-in communication ports. With versatile connectivity options, including a dedicated DH+ port and a configurable remote I/O port, the 1785-L20C15 ensures flexible control and monitoring capabilities. The controller supports substantial memory accommodations with a user memory size of 16,000 words and can handle an impressive total of 32,000 I/O. Additionally, it features a three-position key-switch for convenient mode changes and offers compatibility with an EEPROM module for program backup. This feature-rich controller makes it ideal for demanding industrial applications requiring reliable and high-throughput performance.

Technical specifications for 1785-L20C15

Manufacturer Rockwell Automation
Brand Allen-Bradley
Part Number/Catalog No. 1785-L20C15
Module Type ControlNet PLC-5 Processor
Processor PLC-5/20C
Max User Memory Words 16 Kilowords
Battery-Backed Static RAM Yes
EEPROM Program Backup Option (using 1785-ME16, -ME32, -ME64, and -M100) Yes
Protected Memory No
Max Total I/O Forcible 512 (any mix) or 384 in + 384 out (complementary), Nonforcible 3200
Max Analog I/O Forcible 512 and Nonforcible 32000
I/O Scan Time Per Rack ControlNet I/O 0.5 ms (average); Universal Remote I/O 10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, 3 ms at 230.4 mbits/s
Max I/O Chassis Total 77
Max I/O Chassis Extended Local 0
Max I/O Chassis Universal Remote 12
RS-232-C/422-A/423- A Ports 1
Control Coprocessor Expansion Port Yes
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