Allen-Bradley 1756-L71K ControlLogix 5571 Processor Module
$123.00
$320.00
Description
Allen-Bradley 1756-L71K ControlLogix 5571 Processor Module
The Allen-Bradley 1756-L71K, also cataloged as the 1756-L71K Processor Module, operates as a dedicated hardware component for executing programmable logic control and data processing tasks within ControlLogix industrial automation networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L71K |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.51 lbs |
| Power Consumption | 2.5 W |
| Product Type | Processor Module |
| Product Family | ControlLogix |
| Controller Series | Logix 5571 |
| User Memory | 2 MB |
| I/O Memory | 0.98 MB |
| Maximum Digital I/O | 128,000 points |
| Maximum Analog I/O | 4,000 points |
| Current Draw | 800 mA at 5.1 V DC, 5 mA at 1.2 V DC |
| Thermal Dissipation | 8.5 BTU per hour |
| Isolation Voltage | 30 V continuous |
| Enclosure Type | Open-style |
| Coating | Conformal coated |
| Module Type | Controller Processor Module |
Firmware Flash Compatibility and ControlLogix Network Processing
The 1756-L71K processor module operates on the ControlLogix 5571 platform and provides controller execution functions for distributed automation applications. The conformal coated construction supports installation requirements where additional environmental protection against contaminants is specified.
The module supports I/O density scaling through a maximum of 128,000 digital I/O points and 4,000 analog I/O points. Firmware flash compatibility must be verified between processor revision, chassis modules, communication interfaces, and application software before configuration or replacement procedures.
Frequently Asked Questions
Q: What memory capacity is available in the 1756-L71K processor module?
A: The module provides 2 MB user memory and 0.98 MB I/O memory for application execution and controller data handling.
Q: What is the power requirement of the 1756-L71K?
A: The processor module requires 800 mA at 5.1 V DC and 5 mA at 1.2 V DC, with a power dissipation rating of 2.5 W.
Q: What type of environmental protection is included in the 1756-L71K?
A: The 1756-L71K includes conformal coating and uses an open-style enclosure configuration.
Field Installation Guidelines
Install the 1756-L71K in a compatible ControlLogix chassis with sufficient backplane power capacity. Confirm module seating, chassis grounding, and power supply loading before system startup.
Maintain separation between communication wiring and high-voltage conductors to reduce electrical interference. Use appropriate shielding and grounding methods for connected communication and field wiring systems.
Before downloading controller applications, verify firmware revision compatibility, memory allocation, chassis configuration, and I/O module compatibility. Confirm that conformal coated hardware requirements match the installation environment.
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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