IS200JPDLG1AAC - Local Pack DC Power Distribution Board

IS200JPDLG1AAC - Local Pack DC Power Distribution Board IS200JPDLG1AAC - Local Pack DC Power Distribution Board

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Part No.: IS200JPDLG1AAC
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Temperature: -30 to +65oC
Safety Standards: UL 1604, for use in Class I, Division 2
Board Size: 29.21 cm high x 2.54 cm wide
Mounting: Three mounting holes
Product Type: Local Pack DC Power Distribution Board
Availability: In Stock
Series: Mark VIe

Functional Description

IS200JPDLG1AAC is a Local Pack DC Power Distribution Board developed by GE. It is a part of Mark VIe control system. The Local Pack dc Power Distribution (JPDL) board serves as a component in facilitating efficient dc power distribution within a control system environment. The board acts as a central hub for distributing dc power between the source of control power, which could be sourced from components like JPDP or JPDS, and multiple Input/Output (I/O) packs. This distribution capability ensures that power is effectively supplied to various components within the control system.


  • Daisy Chain Connections: Additionally, the board provides daisy chain-style connections, allowing for the seamless interconnection of multiple downstream boards. This design facilitates scalability and flexibility in system expansion, enabling efficient power distribution across larger control system setups.
  • Branch Circuit Protection: Each connection to an I/O pack is equipped with branch circuit protection, featuring positive temperature coefficient fuse devices. These protection mechanisms safeguard the connected components from overcurrent or short-circuit conditions, ensuring the integrity and reliability of the control system.
  • Control Power Redundancy: The board is ingeniously designed to support up to three isolated control power distribution circuits. This capability enhances control hardware redundancy, a critical aspect in ensuring system reliability and fault tolerance. In scenarios such as Triple Modular Redundancy (TMR) systems, where redundancy is paramount, the JPDL board facilitates the provision of separate control power for different hardware components (R, S, and T). This organized separation of control power circuits optimizes system resilience and ensures uninterrupted operation even in the event of hardware failures or faults.


  • Mounting Orientation: The board is designed to be mounted vertically on a sturdy metal bracket, typically positioned adjacent to the Input/Output (I/O) packs within the control system setup. This vertical orientation optimizes space utilization and facilitates easy access for maintenance and cable management.
  • Location: The metal bracket chosen for mounting the JPDL board should be strategically located to ensure proximity to the I/O packs while allowing sufficient space for cable routing and accessibility.
  • Power Input and Output: Features a straightforward cable routing configuration. Power input cables are directed into the board from the rear side, while output cables emerge from the front side. This layout streamlines cable management and minimizes the risk of cable tangling or obstruction.
  • Connector Type: Both input and output cables utilize Mate-N-Lok connectors, ensuring secure and reliable connections. The use of standardized connectors simplifies installation and maintenance tasks, as well as promotes compatibility with other system components.
  • Cable Routing: During installation, care should be taken to route the input and output cables neatly and securely to prevent interference with other components and to maintain an organized and tidy installation environment. Proper cable management enhances system reliability and facilitates troubleshooting and maintenance activities.
  • Secure Mounting: Once the board is positioned on the metal bracket, it should be securely fastened to ensure stability and reliability during operation. Adequate mounting hardware, such as screws or bolts, should be used to firmly affix the board to the bracket, minimizing the risk of movement or vibration-induced damage.
  • Testing and Verification: After installation, it is essential to conduct thorough testing and verification procedures to ensure proper functionality and connectivity. This includes verifying the integrity of power connections, checking for any cable faults or misalignments, and confirming that the board is distributing power effectively to the connected I/O packs.


  • Input Power Specifications: The typical input power for the board is 28 V dc, which is commonly sourced from the JPDP or JPDS. This input power is crucial for providing the necessary electrical energy to operate the control system components.
  • Redundant Feeds: To enhance system reliability, the JPDL board accommodates up to three redundant power feeds. These redundant feeds serve as backup power sources, ensuring uninterrupted operation even in the event of a failure or fault in one of the feeds. Redundancy is a critical feature in high-reliability control systems, minimizing the risk of system downtime and improving overall system resilience.
  • Triple Redundancy Configuration: The 5-pin Mate-N-Lok input connector on the JPDL board is specifically designed to receive these three separate power feeds, each designated with a distinct color: Red, Blue, and Black. These colors serve as visual indicators, aiding in the identification and organization of the redundant power sources. The use of separate pins for each feed facilitates triple redundancy, ensuring that the control system remains operational even if one or two power feeds fail.
  • Connection from JPDP or JPDS: The JP1, JP2, and JP3 connectors on the JPDP provide the necessary connections for delivering the redundant power feeds to the JPDL board. These connectors are strategically located to enable easy and secure connections, minimizing installation complexity and ensuring proper power distribution.
  • Common Return Current: While the power feeds are separate for triple redundancy, the return current is common among the three TMR (Triple Modular Redundancy) feeds. This common return current is passed on the remaining two pins of the 5-pin Mate-N-Lok connector, simplifying the connection and ensuring efficient utilization of the available pins.
  • Safety and Reliability: The careful design of the input power configuration, with triple redundancy and common return current, enhances system safety and reliability. It ensures that the control system remains operational even in challenging conditions, minimizing the risk of downtime and ensuring continuous operation in mission-critical applications.

The WOC team is always available to help you with your Mark VIe requirements. For more information, please contact WOC.

Frequently Asked Questions

What is IS200JPDLG1AAC?
It is a Local Pack DC Power Distribution Board developed by GE under the Mark VIe series.

What is the typical input power for the JPDL board?
The board typically operates with 28 V dc input power, commonly sourced from the JPDP or JPDS.

How many redundant power feeds does the JPDL board support?
It accommodates up to three redundant power feeds, ensuring uninterrupted operation and enhancing system reliability.

How are the redundant power feeds designated on the input connector?
The redundant power feeds are designated with distinct colors- Red, Blue, and Black. Each feed is connected to a separate pin on the 5-pin Mate-N-Lok input connector.

What connectors on the JPDP provide the connection for the redundant power feeds to the board?
The JP1, JP2, and JP3 connectors on the JPDP facilitate the connection of the redundant power feeds to the board, ensuring secure and reliable power distribution.