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Allen Bradley PLC 5 1772-M16

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1772-M16

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The 1772-M16 core memory module from Allen Bradley is designed for reliable data storage in PLC 5 systems. It has a capacity of 16,384 words and operates at a nominal input voltage of 24 VDC, making it versatile for various applications.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 1772-M16

ManufacturerAllen Bradley
Product TypeCore Memory Module
Product LinePLC 5
Part Number1772-M16
Weight3.75 lbs (1.70 kg)
Nominal Input Voltage24 Volts DC
Number of Occupied SlotsOne slot
Mounting MethodChassis mount
Memory Capacity16,384 words
CompatibilityPLC-2/20 and PLC-2/30 programmable controllers
Local SignallingTwo LED indicators (MEMORY FAULT and STANDBY LOW)
Maximum Data Table Size8,192 words
Battery Back-UpLithium battery (non-rechargeable)
Battery Life SpanApproximately 2 years
Permissible Input Voltage Range20.5 to 30.2 Volts DC
Input Power Rating75 volt-amperes
Operational TemperatureFrom 0°C to 50°C (From 32°F to 122°F)
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The 1772-M16 is a core memory module that serves as a vital component of Allen Bradley's PLC 5 series. Engineered with precision, it functions on a nominal input voltage of 24 volts DC while supporting a permissible input voltage range extending from 20.5 to 30.2 volts DC. It effectively utilizes a single slot within the chassis for mounting, providing straightforward installation in compatible systems.

This module offers an impressive memory capacity of 16,384 words, accommodating various programming needs. Designed for compatibility with the PLC-2/20 and PLC-2/30 programmable controllers, it ensures flexibility in setup and operation. A maximum data table size of 8,192 words allows for optimized data handling during processes.

To enhance operational monitoring, the module includes two LED indicators that provide local signaling; these notify users of MEMORY FAULT conditions and indicate when the system is in STANDBY LOW mode. The module is powered by a non-rechargeable lithium battery, offering a battery life span of approximately two years, thus ensuring longevity and reliability.

Each module has an input power rating of 75 volt-amperes, allowing for stable performance across typical operational environments. It operates efficiently within an environmental temperature range from 0°C to 50°C (32°F to 122°F), catering to a variety of installation scenarios. Overall, the 1772-M16 core memory module stands as a robust solution for comprehensive data management in industrial automation systems.