Allen-Bradley 1756-L55M23 ControlLogix Processor Module
$123.00
$320.00
Description
Allen-Bradley 1756-L55M23 ControlLogix Processor Module
The Allen-Bradley 1756-L55M23, also cataloged as the 1756-L55 Processor Module, operates as a dedicated hardware component for executing control logic, data processing, and I/O management within ControlLogix backplane systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L55M23 |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.31 kg |
| Dimensions | 3.3 cm x 14.7 cm x 14.0 cm |
| Power Consumption | 1.23 A at 5 VDC backplane current; 14 mA at 24 VDC backplane current |
| Product Line | ControlLogix |
| Module Type | Processor Module |
| Processor Family | Logix5555 |
| RAM | 1.5 MB |
| Nonvolatile Memory | 1.5 MB |
| Maximum I/O Capacity | 128,000 points |
| Maximum Analog I/O | 4,000 input channels; 2,000 output channels |
| Program Scan Time | 0.08 milliseconds |
| Vibration Rating | 10-500 Hz |
| Relative Humidity | 5-95 percent |
| Battery Compatibility | 1756-BA1 or 1756-BATM |
ControlLogix Backplane Communication and Firmware Compatibility
The 1756-L55M23 processor module communicates through the ControlLogix backplane bus for coordinated execution of controller tasks, I/O data exchange, and module diagnostics. The processor supports firmware flash compatibility within the ControlLogix platform and maintains application execution using 1.5 MB RAM with 1.5 MB nonvolatile memory storage. The module provides deterministic controller operation through scheduled task execution and backplane data handling.
Frequently Asked Questions
Q: What memory configuration is provided by the 1756-L55M23 processor module?
A: The module provides 1.5 MB RAM and 1.5 MB nonvolatile memory for application storage and controller data retention.
Q: What are the specified backplane current requirements for this processor module?
A: The module requires 1.23 A from the 5 VDC backplane supply and 14 mA from the 24 VDC backplane supply.
Q: Which battery models are compatible with the 1756-L55M23?
A: The processor module supports the 1756-BA1 or 1756-BATM battery assemblies.
Field Installation Guidelines
Install the 1756-L55M23 processor module in an appropriate ControlLogix chassis slot with correct backplane seating. Verify that the module connector is fully engaged before applying power.
Maintain proper cabinet grounding and use suitable shield termination practices for connected communication and I/O wiring. Route signal cables separately from high-current power conductors to reduce electrical interference.
Before firmware updates or controller replacement procedures, verify application compatibility, memory configuration, and controller revision requirements. Follow standard industrial panel ventilation and environmental protection practices according to the installed system design.
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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