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Allen Bradley PLC 3 1775-MEFA

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1775-MEFA

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The 1775-MEFA from Allen Bradley is a memory module designed specifically for the PLC-3 Processor chassis, providing 256 K of memory capacity. This module features error detection and correction capabilities, ensuring data accuracy in critical environments.

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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 1775-MEFA

ManufacturerAllen Bradley
Product TypeMemory Module
Product LinePLC 3
Part Number1775-MEFA
Weight2.00 lbs (0.91 kg)
Memory256 K
Chassis CompatibilityPLC-3 Processor Chassis
Slot Occupied1 Slot
BatteryIncluded
Battery TypeLithium Battery
CapabilitiesError Detection and Error Correction
Current Rating at 5 VDC1.9 A
Current Rating at 15 VDC0.15 A
Minimum Operating Temperature0 °C
Maximum Operating Temperature60 °C
Relative Humidity5 to 95% (non-condensing)
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The Allen Bradley 1775-MEFA serves as a memory module with an essential role in facilitating data processing in the PLC-3 series. This unit boasts a memory capacity of 256 K and is designed to fit into the PLC-3 Processor chassis, occupying just one slot for seamless integration.

Included with the module is a lithium battery that supports operates functions. Error detection and correction capabilities are integrated, enhancing the reliability of data stored within. In terms of power, the module requires a current rating of 1.9 A at 5 VDC and 0.15 A at 15 VDC.

For environmental suitability, the module can operate within a temperature range of 0 °C to 60 °C. It is also designed to withstand relative humidity levels of 5 to 95%, ensuring functionality in diverse operating conditions without condensation risks. The 1775-MEFA memory module combines reliable performance with features aimed at maintaining data integrity within automation and control systems.

Revision Part #Also known as
1775-MEFA Ser A1775-MEFA/A, Series A, Rev A
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