Battery Extension Module | Allen-Bradley 1757-BEM

SKU: 1757-BEM
  • Manufacturer: Allen-Bradley

  • Product No.: 1757-BEM

  • Condition:In stock

  • Product Type: 0 to 20 mA Input Interface Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 500g

  • Shipping port: Xiamen

  • Warranty: 12 months

The Allen-Bradley 1757-BEM is a specialized battery extension module designed for the ProcessLogix control system platform. It supplies reliable backup power to volatile controller memory during unexpected power interruptions, ensuring data retention and system state continuity in industrial automation environments.

Power Backup Specifications

The module delivers a stable backup power output of 5 mA of DC current at 3.6 V. When fully charged, it sustains memory retention for up to 240 hours. This capability safeguards critical process logs and configuration data against unexpected grid failures.

Module Configuration and Installation

Engineered as a dedicated hardware component for the ProcessLogix framework, the unit integrates directly into compatible controller rack slots. It utilizes standard backplane connections for power distribution and communicates seamlessly with the central processor without requiring complex external wiring.

Parameter Table

Parameter Specification
Brand Allen-Bradley
Model 1757-BEM
Product Type Battery Extension Module
Series ProcessLogix
Backup Current 5 mA DC
Backup Voltage 3.6 V
Full Charge Duration 240 hours
Weight 0.49 lbs

Frequently Asked Questions

Q: What is the primary function of the 1757-BEM module?A: It provides backup power to volatile controller memory in the ProcessLogix system, ensuring data is preserved for up to 240 hours during power loss events.

Q: What electrical output does the module maintain during backup operations?A: The module supplies 5 mA of DC current at a nominal 3.6 V to support memory maintenance.

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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