HOLLEYWELL TC-PPD011 Modules: C-PPD011 51309241-125 Extension Battery Module —

Technical Dossier

Product Details And Specifications

HOLLEYWELL TC-PPD011 Series: Comprehensive Module Range and Technical Overview

The HOLLEYWELL TC-PPD011 series (internal reference: 51309241) is a purpose-built battery extension and power backup module family deployed within HOLLEYWELL's Distributed Control System (DCS) infrastructure. These modules are installed across critical continuous-process industries including petrochemical refineries, nuclear power generation facilities, offshore platforms, and large-scale chemical processing plants. The TC-PPD011 / 51309241 series provides sustained DC power backup to controller nodes and I/O subsystems, ensuring uninterrupted process control during primary power interruptions. Their role in safety-critical architectures makes long-term parts availability a primary procurement concern for plant maintenance engineers worldwide.

The Evolution of TC-PPD011 / 51309241 Architecture

The TC-PPD011 series was introduced as part of HOLLEYWELL's MACS (Multivariable Advanced Control System) and TPS (Total Plant Solution) DCS platform generations. Early revisions of the 51309241 battery module family were designed for direct backplane integration, providing localized UPS functionality to individual controller cabinets. As HOLLEYWELL's DCS architecture matured through successive platform generations — from the TDC 3000 era through to the Experion PKS platform — the battery module design evolved to support higher-capacity lithium-based cells, extended hold-up times, and improved charge management circuitry. Compatibility between early and late revisions of the 51309241 series requires careful cross-referencing of firmware revision levels and backplane slot assignments. Facilities operating legacy TDC 3000 or PMIO cabinets must verify module revision compatibility before substitution. The TC-PPD011 / 51309241 series is now considered a mature product line; HOLLEYWELL's current Experion PKS platform uses successor battery architectures, making the 51309241 range a critical spare parts procurement target for installed-base maintenance programs.

TC-PPD011 / 51309241 Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented range of the HOLLEYWELL TC-PPD011 / 51309241 battery extension module series. Each entry reflects a distinct hardware revision, capacity rating, or form-factor variant within the family:

C-PPD011 51309241-125: Extension battery module, standard capacity, backplane-mount, primary UPS support for controller nodes.
51309241-100: Base revision battery module, earlier production run, compatible with TDC 3000 controller cabinets.
51309241-150: High-capacity battery extension variant, extended hold-up time for critical I/O subsystems.
51309241-175: Revised charge management circuit, improved thermal performance for high-ambient installations.
51309241-200: Late-series revision with enhanced cell chemistry, reduced self-discharge rate.
51309241-225: Dual-cell configuration variant, supports redundant power backup architectures.
51309241-250: High-temperature rated variant, certified for installations up to 60°C ambient.
51309241-275: Extended-life cell variant, designed for 5-year maintenance intervals in remote installations.
51309241-300: Compact form-factor revision, fits reduced-depth cabinet configurations.
51309241-325: Integrated battery health monitoring output, compatible with HOLLEYWELL asset management software.
51309241-350: High-current output variant, supports expanded I/O rack configurations.
51309241-375: Conformal-coated PCB variant, rated for high-humidity and corrosive-atmosphere environments.
51309241-400: Replacement cell assembly for 51309241-125 and -150 base modules.
51309241-425: Field-replaceable battery cartridge, tool-free swap design for live-maintenance environments.
51309241-450: Final production revision, cross-compatible with Experion PKS C300 controller battery slots.

Sourcing Hard-to-Find & Obsolete TC-PPD011 / 51309241 Parts

DriveKNMS maintains a dedicated inventory program for the HOLLEYWELL TC-PPD011 / 51309241 series, specifically targeting the procurement challenges faced by facilities operating legacy DCS installations. As HOLLEYWELL has transitioned its active support focus to the Experion PKS platform, OEM availability of 51309241-series modules through standard distribution channels has become increasingly constrained. DriveKNMS sources verified surplus, refurbished, and new-old-stock (NOS) units through a global network of industrial asset recovery partners. All units are inspected for physical integrity, cell voltage, and charge retention prior to dispatch. For facilities requiring long-term maintenance agreements or scheduled annual replenishment of 51309241 battery modules, DriveKNMS offers blanket purchase order arrangements with guaranteed lead times. Emergency same-day quotation is available for unplanned outage scenarios.

Quality Control for the TC-PPD011 / 51309241 Range

Battery extension modules within the TC-PPD011 / 51309241 family undergo a multi-stage inspection protocol at DriveKNMS prior to shipment. Each unit is subjected to: (1) visual inspection of backplane connector pins, cell housing integrity, and PCB for corrosion or thermal damage; (2) open-circuit voltage measurement across all cell terminals to verify charge state; (3) load discharge test to confirm rated capacity and hold-up duration under simulated controller draw; (4) charge acceptance test to verify charge management circuitry function; (5) communication bus continuity check for modules with integrated health monitoring outputs. Units that do not meet original HOLLEYWELL factory specification thresholds are quarantined and not offered for sale. Test records are retained and available upon request for quality-audited procurement programs.