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IS210JGNDG1A - Shield Ground (JGND) Terminal Board is available in stock which ships the same day.
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SPECIFICATIONS:
Part Number: IS210JGNDG1A
Manufacturer: General Electric (GE)
Series: Mark VIe
Functional Acronym: JGND
Product Type: Shield Ground Connection Terminal Board Assembly
Grounding Terminals: 24 Terminals on Euro-style terminal block
Scalability / Expansion: Supports up to 2 boards side-by-side
Operating Temperature Limits: -30°C to +65°C (-22°F to +149°F)
Dimensions: 3.175 cm High x 12.7 cm Wide (1.25 in x 5.0 in)
Mounting Style: Sheet-metal mounting bracket
Technology: Passive Surface Terminal Board
Repair / Evaluation Lead Time: 3–7 Days
Availability: In Stock
Country of Origin: United States (USA)
IS210JGNDG1A is a Shield Ground Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Turbine Control Systems. The JGNDG1A board mounts alongside the terminal board and provides convenient ground connections for the customer’s shield drain wires. Proper grounding and shielding are essential to ensure signal integrity, reduce noise, and prevent electromagnetic interference (EMI), which can adversely affect the control system's performance and reliability. By providing a common grounding point, the SGB helps protect sensitive electronic components from electromagnetic interference, which can disrupt signal transmission and processing. These are points where the cable shields can be connected to ground. They ensure that all shields are properly grounded to reduce noise and EMI.
INSTALLATION:
JGNDG1A mounts on a sheet metal bracket attached to the plate, which holds the terminal board. JGND is grounded to the bracket with the two screws at each end of the terminal board. The customer's shield wires connect to terminals in the Euro-type terminal block. One or two JGND can be located on the side of the terminal board mounting bracket, for a maximum of 48 ground connections. JGND provides a path to sheet metal ground at the board mounting screw locations. The default mechanical assembly of this board to its mount includes a nylon washer between the board and the sheet metal.
This isolates JGNDG1A from the sheet metal and allows wiring of the board ground current into any desired grounding location. Removal of the washer permits the conduction of the ground currents into local sheet metal and does not require any additional grounding leads. At the time a JGND board is installed, a choice must be made to conduct ground currents through a wire to a designated ground (washer present) or to conduct directly to sheet metal (washer absent). A direct connection to sheet metal is preferred. If a wire connection is used, it should be as short as possible, not exceeding 5 cm (2 in).
OPERATION:
All 24 connectors on the Euro block are connected to the ground through the two grounding screws at the ends of JGND. These make contact with the metal mounting bracket, which is connected to the ground. If nylon washers are used to isolate the board, ground currents must be wired into an alternate system location.
WHY BUY A SHIELD GROUND TERMINAL BOARD FROM WOC?
World of Controls specializes in supplying high-quality, warranty-backed OEM replacement parts, including unused surplus and professionally rebuilt components for critical gas turbine control and industrial excitation systems, such as the GE Mark VI, Mark VIe, and EX2100 platforms. To minimize customer downtime and ensure compliance with original equipment standards, every component undergoes rigorous inspection, testing, and verification in an advanced electronics lab. Beyond parts distribution, the company delivers comprehensive, global support through 24/7 technical assistance, expert troubleshooting, component repair services, and rapid shipping, ensuring optimal efficiency and long-term reliability for critical industrial operations worldwide.
What is the GE IS210JGNDG1A?
The IS210JGNDG1A is a Shield Ground (JGND) Terminal Board manufactured by General Electric for the Mark VIe turbine control system. It provides dedicated grounding points for cable shield drain wires, helping reduce electrical noise, improve signal integrity, and protect control system components from electromagnetic interference (EMI).
How does this Shield Ground Board improve signal integrity in GE Mark VIe systems?
This Shield Ground Board improves signal integrity by properly grounding cable shields connected to field instrumentation. Effective grounding reduces electrical interference, minimizes signal distortion, and helps maintain reliable communication between field devices and turbine control modules.
Is the GE JGNDG1A board an active or passive component?
The Shield Ground Board is a passive hardware component that does not contain processors, firmware, or active electronic circuits. Its primary purpose is to provide secure shield termination and grounding connections within the turbine control system.
How many grounding connections are available on the Shield Ground Board?
The grounding board provides 24 shield connection terminals through a Euro-style terminal block. Two boards can be installed side-by-side on the mounting bracket, allowing up to 48 shield grounding points for larger turbine control applications.
How does the grounding board connect to the system ground?
The board connects to the system ground through two grounding screws located at both ends of the assembly. These screws make contact with the metal mounting bracket and provide a grounding path for all connected shield wires.
