1775-MS4

The Allen Bradley part number 1775-MS4 is an essential error-correcting memory module suitable for the PLC 3 series. Its design emphasizes reliability in data storage and processing, making it ideal for critical applications. This module is capable of withstanding an operating shock rated at 15 g, enhancing its durability in challenging environments.

Installation is straightforward as it mounts directly into a single slot on the PLC-3 backplane, ensuring compatibility with existing setups. The bus interfacing capabilities allow for efficient communication within systems that utilize the PLC-3 architecture. By implementing Error Correction Code (ECC), the 1775-MS4 safeguards data integrity, significantly reducing the risk of errors during operation.

As for performance, this memory module provides an access time of 250 nanoseconds, facilitating rapid data retrieval. The cycle time is maintained at 1 microsecond, which is essential for high-speed applications requiring swift responses. Operating on a supply voltage of 5 VDC, this module draws a current of 1.5 A, ensuring efficient energy usage while in operation.

For additional safety measures, this memory module features a robust isolation rating of 1500 Volts RMS, protecting it from potential electrical spikes that may otherwise compromise system performance. The connection is established through an edge card connector, streamlining the installation process and maintaining a stable electrical connection. Overall, the 1775-MS4 is a reliable choice for enhancing the performance and integrity of PLC 3 control systems.