Allen-Bradley 1785-L80B PLC-5/80 Processor Module
$123.00
$320.00
Description
Allen-Bradley 1785-L80B PLC-5/80 Processor Module
The Allen-Bradley 1785-L80B serves as the primary 1785-L80B PLC-5/80 Processor Module utilized to execute programmable control processing and high-density I/O communication tasks across PLC-5 DH+ / Remote I/O platforms. The processor provides 100 Kilowords of battery-backed SRAM, multi-channel communication interfaces, and PLC-5 chassis management functions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1785-L80B |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 3.00 lbs |
| Power Consumption | 12 W power dissipation; 2.3 A backplane current draw |
| Module Type | PLC-5/80 Processor Module |
| Product Line | PLC-5 |
| Processor | PLC-5/80 |
| User Memory | 100 Kilowords battery-backed static RAM |
| Memory Expansion | Supports 1785-ME16, 1785-ME32, and 1785-ME64 modules |
| EEPROM Program Backup | Supported using 1785-ME16, 1785-ME32, 1785-ME64, and 1785-M100 modules |
| Protected Memory | No |
| Maximum Total I/O | 3072 points any mix or 3072 inputs + 3072 outputs complementary |
| Maximum Analog I/O | 3072 |
| Maximum I/O Chassis Total | 93 |
| Maximum I/O Racks | 32 |
| Universal Remote I/O Chassis | 32 maximum per I/O link |
| Communication Ports | 4 x DH+/Remote I/O (Adapter or Scanner), 1 x serial port, 2 x programming terminals |
| Serial Port Compatibility | RS-232, RS-422A, RS-423 |
| Supported Protocols | DF1, ASCII, Data Highway Plus (DH+), Remote I/O (RIO) |
| Controller Redundancy | Supported |
| Battery Type | 1770-XYC |
| Control Coprocessor Expansion Port | Supported |
| I/O Scan Time Per Rack | 10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, 3 ms at 230.4 kbits/s |
I/O Density Scaling and PLC-5 Communication Architecture
The 1785-L80B processor provides PLC-5 architecture functions for deterministic control execution through DH+ and Remote I/O communication channels. The processor supports I/O density scaling with up to 3072 I/O points and distributed rack configurations using universal Remote I/O links.
The processor manages multiple communication paths through four DH+/Remote I/O channels configured for adapter or scanner operation. The PLC-5 platform supports firmware-compatible memory expansion and EEPROM backup functions for program transfer and retention. Controller redundancy capability allows coordinated processor configurations where supported by the system design.
Frequently Asked Questions
Q: What is the maximum user memory capacity of the 1785-L80B processor?
A: The processor provides up to 100 Kilowords of battery-backed static RAM user memory.
Q: How many communication channels are integrated into the 1785-L80B?
A: The processor includes four DH+/Remote I/O channels, one configurable serial port supporting RS-232, RS-422A, and RS-423, and two programming terminal connections.
Q: Does the 1785-L80B support PLC-5 redundancy configurations?
A: Yes. Controller redundancy support is provided for compatible PLC-5 system architectures.
Field Installation Guidelines
Install the 1785-L80B processor module in the designated PLC-5 chassis slot with chassis power removed during installation or removal. Verify that the rack configuration, processor addressing, and memory modules match the application requirements.
Route DH+, Remote I/O, and serial communication cables separately from power conductors and high-current switching circuits. Use appropriate cable shielding and grounding methods according to industrial control wiring practices.
Before operation, verify processor status indicators, battery condition, communication configuration, I/O rack addressing, and application memory integrity. Confirm that all connected 1771 I/O modules correspond with the configured PLC-5 program structure.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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