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SPECIFICATIONS:
Part Number: IS210JGNDG1A
Manufacturer: General Electric
Series: Mark VIe
Product Type: Shield Ground Board
Voltage Range: 18 - 32 VDC
Mounting: DIN-rail mounting
Terminals: 24
Technology: Surface mount
Operating temperature: -30 to 65°C
Size: 3.175 cm high x 12.7 cm wide
Repair: 3-7 Day
Availability: In Stock
Country of Origin/Manufacturer: United States
Manual: GEH-6721D
FUNCTIONAL DESCRIPTION:
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 JGND 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 performance and reliability of the control system. 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 shields of cables can be connected to the ground. They ensure that all shields are properly grounded to reduce noise and EMI.
INSTALLATION:
JGND mounts on a sheet metal bracket attached to the plate, which holds the terminal board. JGND is grounded to the bracket with 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 JGND 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 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 and 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.
WOC has the largest stock of OEM Replacement Parts for GE Distributed Control Systems. We can also repair your faulty boards and supply unused and rebuilt boards backed up with a warranty. Our team of experts is available round the clock to support your OEM needs. Our team of experts at WOC is happy to assist you with any of your automation requirements. For pricing and availability on any parts and repairs, kindly contact our team by phone or email.
Why is grounding important in a distributed control system?
Grounding is essential to maintain signal integrity, reduce noise, and protect the system from electromagnetic interference (EMI). It also enhances safety by preventing electrical hazards such as electric shocks and short circuits.
How does an SGB help in reducing noise and EMI?
The SGB provides a common grounding point for shielded cables, which minimizes electrical noise and EMI by ensuring that shields are properly grounded. This reduces the potential for interference and signal degradation.
What are the main components of a Shield Ground Board?
The main components of an SGB include grounding terminals, bus bars, shield clamps, mounting hardware, and various connectors. These components work together to provide effective grounding and shielding.
