1785-L20C15 Allen-Bradley
Overview
The Allen Bradley/Rockwell Automation 1785-L20C15 processor is a PLC 5 series ControlNet processor. It uses a lithium battery for backup. The 1785-L20C15 ControlNet processor supports both scheduled and unscheduled peer-to-peer communication with other ControlNet nodes. Its backplane current rating is 2.7 Amps at 5 Volts DC and its heat dissipation rating is 54 BTU per hour. The 1785-L20C15...
Specifications
| Battery-Backed Static RAM | Yes |
|---|---|
| Category | PLCs |
| Control Coprocessor Expansion Port | Yes |
| EEPROM Program Backup Option (using 1785-ME16, -ME32, -ME64, and -M100) | Yes |
| 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 Analog I/O | Forcible 512 and Nonforcible 32000 |
| Max I/O Chassis Extended Local | |
| Max I/O Chassis Total | 77 |
| Max I/O Chassis Universal Remote | 12 |
| Max Total I/O | Forcible 512 (any mix) or 384 in + 384 out (complementary), Nonforcible 3200 |
| Max User Memory Words | 16 Kilowords |
| Module type | ControlNet PLC-5 Processor |
| Processor | PLC-5/20C |
| Product Line | PLC 5 |
| Protected Memory | No |
| RS-232-C/422-A/423- A Ports | 1 |
| UPC | 612598180363 |
| Weight | 3.06 lbs (1.39 kg) |
Product details
| Manufacturer | Allen-Bradley |
|---|---|
| Manufacturer part number | 1785-L20C15 |
| KKM catalog reference | ALLEN-BRADLEY-1785-L20C15 |
| Published specifications | 18 attributes listed |
| Related part numbers | 5 other part numbers in this family |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for 1785-L20C15?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email [email protected], and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the 1785-L20C15?
1785-L20C15 is a Allen-Bradley part. KKM Solutions sources Allen-Bradley components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What is the lifecycle status of 1785-L20C15?
We do not hold a published lifecycle status for 1785-L20C15. Allen-Bradley's publishes whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the current status with the manufacturer at quote time — you are told if the part is superseded or discontinued before you commit. Either way we source current-production, superseded and long-obsolete parts the same way; where a part is genuinely unavailable we identify a form-fit-function equivalent. Send the part number through the quote form on this page, or use our obsolete part lookup at https://kkmsolutions.com/tools/obsolete-part-lookup/.
What are the key specifications of 1785-L20C15?
Key specifications include Battery-Backed Static RAM: Yes; Category: PLCs; Control Coprocessor Expansion Port: Yes; EEPROM Program Backup Option (using 1785-ME16, -ME32, -ME64, and -M100): Yes. The full specification table on this page lists every published attribute for this part.
How quickly can 1785-L20C15 ship?
In-stock items are dispatched the same business day for orders placed by 11 AM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
Variants & Related Part Numbers
Other Allen-Bradley part numbers in this family: