IS210JGNDG1A - Ground Connection Terminal Board

SPECIFICATIONS

Part No.: IS210JGNDG1A
Manufacturer: General Electric
Series: Mark VIe
Terminals: 24 terminals on Euro type terminal block
Temperature: -30 to +65 oC
Size: 3.175 cm high x 12.7 cm wide
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

IS210JGNDG1A is a turbine ground connection terminal board developed by GE. It is a part of Mark VIe control system.The board is designed to streamline the process of establishing ground connections for the customer's shield drain wires, ensuring optimal grounding for the terminal board setup.

Installation Process

• Mounting Procedure: The board is mounted adjacent to the terminal board, providing convenient access to ground connections. It is affixed to a sheet metal bracket secured to the plate holding the terminal board. Grounding of the board to the bracket is achieved using the screws positioned at each end of the terminal board. Shield wires from the customer's equipment are then connected to terminals within the Euro-type terminal block on the board.
• Multiple Board Placement: Depending on the requirement, one or two boards can be positioned on the side of the terminal board mounting bracket. This allows for a maximum of 48 ground connections, catering to diverse installation scenarios.
• Grounding Path:The board facilitates a direct path to sheet metal ground at the mounting screw locations. By default, the mechanical assembly includes a nylon washer between the board and the sheet metal, isolating the JGND board from the sheet metal surface. This setup permits wiring of the board ground current to any desired grounding location.
• Adjustable Configuration: Removal of the nylon washer enables direct conduction of ground currents into the local sheet metal, eliminating the need for additional grounding leads. During installation, a choice must be made whether to conduct ground currents through a wire to a designated ground (with washer present) or directly to the sheet metal (washer absent). Direct connection to sheet metal is preferred for optimal grounding performance. However, if a wire connection is necessary, it should be kept as short as possible, not exceeding 5 cm (2 inches).

Operation

• Grounding Mechanism: Each of the 24 connectors on the Euro block is effectively grounded through the two grounding screws positioned at the ends of the board. These screws establish contact with the metal mounting bracket to which the board is affixed, creating a direct path to ground. The metal mounting bracket, in turn, is securely connected to the overall grounding system.
• Connection to Ground: When the board is installed with nylon washers to isolate it from the metal mounting bracket, an alternative method is required to conduct ground currents. In such cases, ground currents must be appropriately wired into an alternate system location to ensure effective grounding.

World of Controls has the most comprehensive collection of GE Mark VIe components. Please contact WOC as soon as possible if you require any extra information.

Frequently Asked Questions

 

What is IS210JGNDG1A?
It is a Turbine Ground Connection Terminal Board developed by GE

What is the default mechanical assembly of JGND?
By default, when mounted, the board includes a nylon washer between the board and the sheet metal. This washer acts as an insulator, isolating JGND from direct contact with the sheet metal.

Why is the nylon washer included?
The presence of the nylon washer allows for flexibility in grounding configuration. It permits the wiring of the board ground current to any desired grounding location, providing versatility in system setup.

What happens when the washer is removed?
Removal of the nylon washer enables direct conduction of ground currents into the local sheet metal. In this scenario, additional grounding leads are not necessary, simplifying the grounding process.