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Allen Bradley PLC 3 1775-MEDB

Product image is representative; revision or series may vary. Contact us to request a specific version.

1775-MEDB

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The 1775-MEDB memory module from Allen Bradley is a RAM-based accessory designed for PLC 3 applications. With a capacity of 128 KB, it supports essential memory functions and ensures reliable operation with various status indicators.

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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-MEDB

ManufacturerAllen Bradley
Product TypeMemory Module
Product LinePLC 3
Part Number1775-MEDB
Weight1.00 lbs (0.45 kg)
Memory TypeRAM
Spare Part/AccessoryYes
Capacity128 KB
Battery Low IndicatorIncluded
Memory Error Corrected IndicatorIncluded
Memory Error IndicatorIncluded
Battery BackupSupported
Backplane Current at 5V DC1.8 Amps
Backplane Current at 12V DC0.15 Amps
Battery Voltage3.6V
Operating Temperature0 to 60 degrees Celsius
Non-Condensing Relative Humidity5 to 95%
Max. Operating Altitude1000m above sea level
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The Allen Bradley 1775-MEDB serves as a critical memory module for enhancing the functionality of PLC 3 systems. This RAM module features a memory capacity of 128 KB, making it suitable for various applications that require efficient data processing. The device incorporates multiple indicators, such as those for low battery, memory error correction, and general memory errors, providing real-time feedback to users.

With battery backup capabilities, the 1775-MEDB safeguards against potential data loss during power interruptions. The module operates efficiently at a backplane current of 1.8 Amps at 5V DC and 0.15 Amps at 12V DC. It also requires a battery voltage of 3.6V to maintain proper function.

Operating conditions of this module are robust, supporting temperatures from 0 to 60 degrees Celsius, along with a relative humidity range of 5% to 95% in non-condensing environments. Additionally, it is capable of functioning at altitudes up to 1000 meters above sea level. This versatility makes the 1775-MEDB an essential component for reliable system performance.

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