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Allen Bradley 1774 PLCs and Modules 1774-LD2

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1774-LD2

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The 1774-LD2 is an Allen Bradley arithmetic module within the 1774 PLCs and Modules series. Featuring a microprocessor architecture that utilizes four AMD bit-slice microprocessors, it is designed for rapid logic execution in various applications.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1774-LD2

ManufacturerAllen Bradley
Product TypeArithmetic Module
Product Line1774 PLCs and Modules
Part Number1774-LD2
Weight2.00 lbs (0.91 kg)
Microprocessor ArchitectureFour AMD bit-slice microprocessors for high-speed logic execution
Slot RequirementSingle Slot
I/O ProcessingHigh-speed I/O
Internal CommunicationInternal bus
Min. Operating Temperature0°C
Max. Operating Temperature50°C
Min. Storage Temperature-40°C
Max. Storage Temperature65°C
Min. Relative Humidity20% (Non-Condensing)
Max. Relative Humidity80% (Non-Condensing)
Installation Altitude2000 m
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The Allen Bradley 1774-LD2 module serves a vital role in arithmetic operations within control systems. It integrates four AMD bit-slice microprocessors, engineered for swift logic processing, enhancing computational efficiency. Installation of this module is straightforward, as it fits within a single slot in the system architecture.

The 1774-LD2 is tailored for high-speed I/O processing, ensuring that data exchange within PLC systems occurs without delays. Communication across the internal bus facilitates effective data transfer between various components, maintaining high-performance standards in demanding applications. The module operates efficiently in environments with temperatures ranging from a minimum of 0°C to a maximum of 50°C.

For storage needs, the operating temperature can dip as low as -40°C and reach up to 65°C, making this module highly adaptable to different conditions. It maintains functionality in relative humidity levels between 20% and 80%, provided the air does not condense, allowing for reliable operations in diverse environments. It is also suitable for installation at altitudes reaching 2000 meters without impacting performance. Overall, the 1774-LD2 arithmetic module represents a robust choice for various industrial automation computations.