IS200TEFVH1AAD - Electric Fuel Valve Terminal Board

SPECIFICATIONS:

Part Number: IS200TEFVH1AAD
Manufacturer: General Electric
Series: Mark VIe
Product Type: Electric Fuel Valve Terminal Board
Power Inputs: 10 v
Mounting: DIN-rail mounting
Operating temperature: 0 to 55°C
Size: 16.51 cm High x 17.8 cm
Repair: 3-7 Day
Availability: In Stock
Weight: 2 lbs
Country of Origin: United States
Manual: GEH-6721L

FUNCTIONAL DESCRIPTION:

IS200TEFVH1AAD is an Electric Fuel Valve Terminal Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Control Systems. The Electric Fuel Valve Terminal Board is an Ethernet gateway between the Mark* VIe I/O Ethernet network and an electric fuel valve interface module. The module communicates through the Ethernet Global Data (EGD). The fuel valve interface module is called a Digital Valve Positioner (DVP). It is made by Woodward® Controls. The PEFV contains a processor board common to all Mark VIe I/O packs. One of the dual RJ45 Ethernet connectors connects to the I/O Ethernet network. The other RJ45 Ethernet connector connects directly to the DVP. A 3-pin connector supplies power to the pack.

INSTALLATION:

• Securely mount the TEFVH1A terminal board.
• Directly plug three PEFVs, for triple modular redundancy (TMR), into the terminal board connectors.
• Mechanically secure the packs using the threaded inserts adjacent to the Ethernet ports. The inserts connect to a mounting bracket specific to the terminal board type. The bracket should be adjusted so there is no right angle force applied to the DC-37 pin connector between the pack and the terminal board. This adjustment is required once during the life of the product.
• Plug one Ethernet cable into the I/O Ethernet network. Connect the other Ethernet cable to the corresponding network connector on the Woodward DVP. The pack will operate with connections made to either port. The pack must reboot if the connections are modified. Standard practice is to connect ENET1 to the network associated with the I/O Ethernet network.
• Power is applied to the connector on the side of the pack. It is not necessary to insert the connector with the power removed from the cable. PEFV has inherent soft-start capability that controls current inrush on power application.

OPERATION:

• The processor board connects to an acquisition board specific to the I/O pack or module function. Upon application of input power, the soft-start circuit ramps up the voltage available on the processor board.

• The local power supplies are sequenced, and the processor reset is removed. The processor completes self-test routines and then loads application code specific to the I/O pack or module type from flash memory.

• The application code reads board ID information to ensure the correct matching of the application code, acquisition board, and terminal board. With a good match, the processor attempts to establish Ethernet communications, starting with the request of a network address.

• The address request uses the industry standard dynamic host configuration protocol (DHCP) and the unique identification read from the terminal board. After Ethernet initialization, the processor programs the on-board logic, runs the application and enables the acquisition board to begin operation.

• The processor application code contains all the logic necessary to allow the I/O pack to operate from one or two Ethernet inputs. When operated from two Ethernet inputs, both network paths are active all the time.

• A failure of either network will not result in any disturbance to the I/O pack or module operation, and the failure will be indicated through the working network connection. This arrangement is more tolerant of faults than a classic hot-backup system where the second port is only used after a primary port failure is detected.

• The Ethernet ports on the processor auto-negotiate between 10 MB/s and 100 MB/s speed, and between half-duplex and full-duplex operation.

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FREQUENTLY ASKED QUESTIONS:

What is an electric fuel valve terminal board?

An electric fuel valve terminal board is a component used in fuel systems to control the flow of fuel electronically. It typically consists of terminals where electrical connections can be made to control the opening and closing of the fuel valve.

How does an electric fuel valve terminal board work?

The electric fuel valve terminal board connects to an electrical control system, such as a switch or a programmable logic controller (PLC). When an electrical signal is sent to the terminal board, it activates the valve mechanism, allowing fuel to flow or shutting it off, depending on the desired operation.

What are the applications of electric fuel valve terminal boards?

Electric fuel valve terminal boards are used in various applications where precise control of fuel flow is required, such as in automotive fuel systems, industrial machinery, heating systems, and aircraft fuel systems.