S9400UK | Yokogawa | CENTUM DCS Processor Backup Battery

Product Overview

The Yokogawa S9400UK serves as the critical energy reservoir for Distributed Control System (DCS) processors. This high-performance Nickel Cadmium (Ni-Cd) battery pack maintains volatile memory and system configurations during primary power failures. We supply this component as 100% Brand New and Original, ensuring your control logic remains intact during emergency shutdowns or scheduled maintenance.

Technical Specifications

Engineering Advantages

• Instantaneous Power Transition: The S9400UK delivers immediate current the moment the main power rail drops. This rapid discharge capability prevents processor resets and protects critical real-time data.

• High Thermal Stability: Industrial environments often face fluctuating cabinet temperatures. This battery chemistry withstands the heat generated by dense rack-mounted electronics without significant capacity degradation.

• Leak-Resistant Design: Yokogawa utilizes advanced sealing technology in the S9400UK to prevent electrolyte leakage. This protects the expensive gold-plated backplanes and processor cards from corrosive damage.

• Extended Service Life: The robust cell construction supports deep discharge cycles, providing a reliable multi-year service window before requiring replacement in standard DCS environments.

FAQs

• How often should I replace the S9400UK in my DCS system?

  Standard preventive maintenance cycles require replacement every 2 to 3 years. Operating the system in high-temperature environments (above 40°C) accelerates chemical aging and may necessitate more frequent swaps to ensure backup integrity.

• Does this battery ship with a full charge?

  Ni-Cd batteries typically ship in a partially charged state. The DCS processor module initiates a trickle-charge circuit once you install the battery and power up the system to reach 100% capacity.

• Can I use a third-party equivalent instead of the original S9400UK?

  We strongly advise against non-OEM batteries. The S9400UK features specific internal resistance profiles and connector tolerances designed for Yokogawa hardware. Using generic alternatives risks system alarms or, in worst-case scenarios, memory loss during power fluctuations.

• What are the storage requirements for spare units?

  Store spares in a cool, dry place between 0°C and 30°C. If you store the battery for more than six months, we recommend checking the voltage before installation to ensure optimal performance.