Allen-Bradley 1756-L72/B ControlLogix Processor Module
$123.00
$320.00
Description
Allen-Bradley 1756-L72/B ControlLogix Processor Module
Configured for executing application logic and deterministic controller operations in ControlLogix automation platforms, the Allen-Bradley 1756-L72/B (1756-L72 Processor Module) provides direct physical/electrical execution through the Logix5572 controller architecture. It manages user programs, I/O data processing, and industrial network communications.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L72/B |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 3.6 kg |
| Dimensions | 10.2 cm x 0.0 cm x 5.1 cm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Approximately 2.5 W |
| Product Type | ControlLogix Processor Module |
| Controller Series | ControlLogix Logix5572 |
| User Memory | 4 MB |
| I/O Memory | 0.98 MB |
| Maximum Digital I/O | 128,000 points |
| Maximum Analog I/O | 4,000 points |
| Communication Ports | USB 2.0 programming port, RS-232 serial port |
| Supported Networks | EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, SynchLink |
| Programming Languages | Ladder Logic, Structured Text, Function Block Diagram, Sequential Function Chart |
| Supported Tasks | 32 tasks, 100 programs per task |
| Motion Support | Integrated motion via EtherNet/IP and SERCOS interface |
| Nonvolatile Storage | SD card support |
EtherNet/IP and ControlLogix Backplane Integration
The 1756-L72/B operates within the ControlLogix chassis architecture and provides processor-level execution for distributed I/O systems. EtherNet/IP deterministic network operation, ControlNet communication, and legacy industrial network connectivity allow controller data exchange with compatible communication modules and field devices.
The controller supports I/O density scaling up to 128,000 digital points and 4,000 analog points. Firmware flash compatibility and SD card-based program storage provide controller configuration retention during maintenance operations.
Frequently Asked Questions
Q: What memory resources are available in the 1756-L72/B controller?
A: The controller provides 4 MB user memory and 0.98 MB I/O memory for application execution and data handling.
Q: What communication interfaces are available on the processor module?
A: The module includes a USB 2.0 programming port and an RS-232 serial port. Network communication is achieved through compatible ControlLogix communication modules supporting EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, and SynchLink.
Q: Can the 1756-L72/B support redundant controller configurations?
A: The controller can be applied in ControlLogix redundant architectures when used with compatible redundancy components and supported system configurations.
Field Installation Guidelines
Install the processor module in a compatible ControlLogix chassis with the power supply removed or isolated according to site maintenance procedures. Verify backplane seating and module locking position before applying chassis power.
Maintain separation between communication wiring, high-voltage conductors, and sources of electrical noise. Apply appropriate grounding practices for the control enclosure and ensure cable shielding follows the requirements of the connected network interface.
For firmware maintenance, verify controller revision compatibility with the project file, communication modules, and connected I/O devices before performing updates.
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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