Siemens 6ES7291-8BA20-0XA0 S7-200 PLC Lithium Battery Cartridge

Description

The Siemens SIMATIC S7-200 Battery Cartridge (6ES7291-8BA20-0XA0 / 6ES7 291-8BA20-0XA0) is a specialized lithium power backup module engineered for long-term RAM data retention in Siemens S7-200 series Programmable Logic Controllers (PLCs).

When factory power is removed or interrupted, the CPU’s internal supercapacitor retains RAM memory for only a limited period (typically a few days). This pluggable battery cartridge extends that retention window significantly, maintaining user program data, operational variable values, counter/timer registers, and real-time clock configurations during prolonged power outages. Maintenance engineers and panel technicians across Bangladesh rely on this essential cartridge to guarantee system readiness and prevent loss of critical system parameters.

Key Features

• Pluggable Form Factor: Fits directly into the dedicated memory/battery module receptacle slot on S7-200 CPUs without external cables.
• High-Density Lithium Cell: Long-life lithium chemistry provides multi-year data buffering support under normal storage and operating conditions.
• Exclusive CPU Compatibility: Designed specifically for Siemens S7-222, S7-224, and S7-226 CPU main units.
• Zero-Downtime Installation: Plugs into the designated memory port cleanly for quick replacement during routine maintenance.
• Compact Maintenance Unit: Lightweight design adds no physical load or bulk to the CPU enclosure.

Technical Advantages

• Protects Critical RAM Data: Ensures variable data, counter statuses, and recipe values remain stored safely during extended factory shutdowns.
• Real-Time Clock (RTC) Continuity: Maintains internal clock accuracy for time-stamped operations and scheduled industrial tasks.
• Durable Construction: Industrial-grade housing protects the internal lithium cell against vibration and dust inside control cabinets.
• Easy Maintenance: Simple plug-and-play architecture allows rapid installation without special technical tools or soldering.
• Prevents Costly Reprogramming: Protects plant owners from expensive system downtime caused by cleared CPU memory.

Applications

• Industrial & Factory Automation: Textile mills, spinning frames, packaging machines, and plastic processing units across Bangladesh.
• Commercial Systems: Water treatment plants, HVAC control systems, and automated building management systems (BMS).
• Project Installation & Maintenance: Essential spare part for panel builders, system integrators, and plant maintenance teams.

Why Choose This Product?

• Genuine Siemens Compatibility: Engineered to exact manufacturer dimensions and electrical standards for reliable operation.
• Cost-Effective System Protection: A low-cost accessory that prevents high financial losses associated with cleared PLC memory and re-commissioning.
• Maximum Operational Uptime: Keeps automation systems ready for immediate startup after long holiday shutdowns or power grid disruptions.
• Fast Local Delivery: Available online via loopshop.com.bd with prompt delivery across Bangladesh.

Technical Specification Table

Features List

✓ Pluggable long-term data buffering battery cartridge

✓ Premium long-life lithium battery cell

✓ Direct compatibility with Siemens S7-222, S7-224, and S7-226 CPUs

✓ Fits seamlessly into the CPU internal module receptacle

✓ Prevents program RAM memory loss during extended power outages

Benefits For Customers

• Eliminates Reprogramming Costs: Retains critical machine recipes and internal variable registers during power loss.
• Ensures Continuous Clock Accuracy: Keeps real-time clock functions active for automated timing sequences.
• Reduces Factory Downtime: Enables immediate machine start-up following long weekends or grid power restorations.
• Built for Bangladesh Power Conditions: Highly practical safeguard against frequent power outages and load shedding.

Installation & Maintenance Guide

Installation Requirements:

• Turn off main AC/DC power supply to the S7-200 CPU before inserting or replacing the battery cartridge.
• Locate the memory/battery receptacle slot on the front/top panel of the CPU (under the protective cover).
• Gently insert the 6ES7291-8BA20-0XA0 cartridge into the slot until it seats securely.
• Restore power to the PLC system and check CPU status LEDs.

Maintenance Tips:

• Replace the battery cartridge every 2 to 3 years during scheduled preventive maintenance windows.
• Store spare battery cartridges in a cool, dry place away from direct sunlight and heat.
• Avoid touching conductive pins or terminals during installation to prevent static discharge.

Safety Instructions:

• Do not attempt to recharge, incinerate, puncture, or open the lithium battery unit.
• Dispose of depleted lithium batteries in accordance with local industrial waste standards.
• Ensure installation is performed by qualified maintenance personnel.

Frequently Asked Questions (FAQ)

Q: What is the price of Siemens 6ES7291-8BA20-0XA0 in Bangladesh?

A: The price of the Siemens S7-200 battery cartridge 6ES7291-8BA20-0XA0 in Bangladesh varies depending on current stock levels and import rates. Please visit loopshop.com.bd or contact our sales team for updated pricing.

Q: Where can I buy Siemens 6ES7291-8BA20-0XA0 in Bangladesh?

A: You can purchase the genuine Siemens 6ES7291-8BA20-0XA0 battery cartridge online at loopshop.com.bd with delivery across Dhaka, Chittagong, Gazipur, Narayanganj, and nationwide.

Q: What warranty does this product have?

A: Please check the warranty status directly on the product page or contact loopshop.com.bd customer support before placing an order.

Q: Is this suitable for Bangladesh climate?

A: Yes, it is rated for standard industrial panel operating temperatures up to 55°C.

Q: How to install this product?

A: Switch off power to the Siemens CPU, remove the module slot cover, insert the cartridge into the receptacle until secure, close the cover, and turn the power back on.

Q: Which PLC models work with the 6ES7291-8BA20-0XA0 cartridge?

A: It is compatible with Siemens SIMATIC S7-200 series CPUs, specifically models S7-222, S7-224, and S7-226.

Q: What type of battery is inside this cartridge?

A: It contains a long-life Lithium battery cell designed for industrial RAM memory buffering.

Q: How long does the battery cartridge last?

A: Under normal operating conditions, it typically provides multi-year data buffering retention (usually 2 to 5 years depending on ambient temperature and power-off duration).

Q: What happens if the battery cartridge is not installed?

A: Without a battery cartridge, the CPU relies on an internal supercapacitor which only holds RAM data for a few days during a power outage. Extended outages will result in loss of RAM-stored data.

Q: Is this battery cartridge rechargeable?

A: No, this is a non-rechargeable lithium battery unit and must be replaced once depleted.