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SPECIFICATIONS:
Part Number: IS200WPDFH1ACC
Manufacturer: General Electric
Series: Mark VI
Product Type: Power Distribution Board
Number of channels: 12
Input span: 4-20 mA
Technology: Surface Mount
Size: 10.16 cm wide x 3.02 cm high
Common Mode Voltage Range: ±5 V
Number of Fused Branches: 12
Fuse rating: 3.15 A at 25°C
Maximum Lead Resistance: 15Ω
Analog output current: 0-20 mA
Voltage monitor: 16 V dc
Operating temperature: -30 to 65 °C
Repair: 3-7 Days
Availability: In Stock
Country of Origin: United States
Manual: GEH-6421H
FUNCTIONAL DESCRIPTION:
IS200WPDFH1ACC is a Power Distribution Board manufactured and designed by General Electric as part of the Mark VI Series used in GE Speedtronic Gas Turbine Control Systems. WPDFH1A is a daughterboard to TRLYH#F to supply power to the customer’s solenoids. WPDF holds two power distribution circuits, which can be independently used for standard 125 V dc, 115 V ac, or 24 V dc sources. Each section consists of 6 fused branches that power the TRLYH#F terminal board. Each branch has its voltage monitor across its secondary fuse pair. Each of these voltage detectors is fanned out to three independent open-collector drivers for feedback to each of the I/O processors, R, S, and T. The WPDF should not be used without TRLYH#F. Fused power flows through this board down to the TRLY terminal board points. The TRLY controls fuse power feedback.
INSTALLATION:
The customer's 12 solenoids are connected to two I/O terminal blocks mounted on the terminal board. Each block, secured with two screws, has 24 terminals that support up to #12 AWG wires. A shield termination strip, linked to the chassis ground, is positioned to the left of each block. Solenoid power for outputs 1-12 is available with the WPDF daughterboard or can be supplied through the terminal block. 28 V dc power for the terminal board relay coils and logic comes from the three I/O processors connected at JR1, JS1, and JT1.
POWER DISTRIBUTION BOARD:
The optional WPDF power distribution board mounts on top of TRLY, making connections at J1 and J2. The board is held in place with one screw located at the center of the WPDF board. Power for the two sections of the board is wired in through three-pin connectors J1 and J4, and this can be daisy-chained out through adjacent plugs J2 and J3.
OPERATION:
The same relays are used for the ac and dc voltage levels given in the Specification section. Also, the same relays are used on the H1F and H2F boards, but the circuit is different. Relay drivers are mounted on the relay terminal board and drive the relays at the frame rate. The relay outputs have failsafe features so that when a cable is unplugged or communication with the associated I/O board or I/O pack is lost, the inputs vote to de-energize the corresponding relays. This board only supports TMR applications. The relay control signals are routed into TRLY from the three I/O processors, R, S, and T, through plugs JR1, JS1, and JT1. These signals directly control the corresponding relay driver for each TMR section R, S, and T. Power for each section’s relay coils comes in from its own I/O processor and is not shared with the other sections.
FIELD SOLENOID POWER OPTION:
The WPDFH1A daughterboard supplies power to the customer’s solenoids through the TRLYH#F terminal board. It contains two independent power distribution circuits compatible with 125 V DC, 115 V AC, or 24 V DC sources. Each circuit has six fused branches that deliver power to TRLYH#F, with individual voltage monitors across each fuse pair secondary. These voltage detectors distribute signals to three independent open-collector drivers, providing feedback to I/O processors R, S, and T. The WPDFH1A must be used with TRLYH#F, as fused power flows through it to the TRLY terminal points, with feedback managed by TRLY.
WOC has the largest stock of OEM Replacement Parts for GE Speedtronic Gas Turbine 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 around 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 parts and repairs, kindly contact our team by phone or email.
What is the function of the TRLYH1F Power Distribution Board?
The board distributes power to connected loads, such as solenoids and relays, while providing voltage monitoring, circuit protection, and feedback to the control system.
What power sources are supported?
The board supports 125 V DC, 115 V AC, and 24 V DC power sources, making it compatible with various industrial applications.
How is fuse status feedback managed?
The fuse voltage detectors are connected to three independent open-collector drivers, which relay feedback to the I/O processors R, S, and T for real-time monitoring.
