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The 1775-ME8A is a memory module designed for use within Allen Bradley’s PLC 3 series. This module has a CMOS RAM architecture with a capacity of 32K Words. It features a processor chassis slot for installation and supports error detection and correction (EDC). Battery backup functionality is integrated into the design, which is beneficial for maintaining memory integrity during power interruptions.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Memory Module |
| Product Line | PLC 3 |
| Part Number | 1775-ME8A |
| Weight | 2.00 lbs (0.91 kg) |
| Spare Part/Accessory | Yes |
| Memory Type | CMOS RAM |
| Capacity | 32K Words |
| EDC (Error Detection and Correction) | Supported |
| Installation Slot | Processor Chassis Slot |
| 1775-A1 Chassis | Compatible |
| 1775-A2 Chassis | Compatible |
| Battery Backup | Supported |
| Backplane Current at 5V DC | 2.6 Amps |
| Backplane Current at 15V DC | 0.15 Amps |
| Battery Replacement | Supported |
| LED Indicators | Included |
| Operating Temperature | 0 to 60 degrees Celsius |
| Storage Temperature | 0 to 85 degrees Celsius |
The Allen Bradley 1775-ME8A memory module serves crucial functions within the PLC 3 series. Utilizing CMOS RAM technology, it offers a significant memory capacity of 32K Words. This module is primarily intended as a spare part or accessory and is designed to occupy a processor chassis slot for convenient installation. Its compatibility extends to the 1775-A1 and 1775-A2 chassis, which enhances its applicability across various setups.
Error detection and correction (EDC) functionality is integrated into the module to ensure data integrity over time. Moreover, the 1775-ME8A supports battery backup features to maintain stored data during power failures. When monitoring power consumption, this module draws 2.6 Amps at 5V DC and 0.15 Amps at 15V DC.
In terms of environmental specifications, this memory module can function within a temperature range of 0 to 60 degrees Celsius and can handle storage temperatures from 0 to 85 degrees Celsius. The unit is equipped with LED indicators that provide visual feedback on operational status, assisting users in identifying issues. Additionally, provisions for battery replacement have been built into the design, allowing for easy maintenance and prolonging the life cycle of the module.
| Revision Part # | Also known as | |
|---|---|---|
| 1775-ME8A Ser A | 1775-ME8A/A, Series A, Rev A | |
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