IS200VCRCH1B Output Board
IS200VCRCH1B is a contact input/relay output board manufactured by General Electric
Part of the Mark VI series used in gas turbine control systems. The contact input/relay output board accepts 48 discrete inputs and manages 24 relay outputs from a total of four terminal boards through its accompanying sub boards. The dual width VCCC module is installed in the VME I/O rack. Two sets of J3/J4 connections are provided in this rack for connecting to TBCI and TRLY terminal boards.
Contact input
The contact input terminal board (TBCI) is used for the first 24 dry contact inputs; Input 25-48 requires a second terminal block. The contact provides DC power. The terminal board is connected to the VME rack equipped with a VCCC processor board through a cable with a molded plug. For monitoring inputs of key turbine variables, high-speed scanning and recording of 1 millisecond per second can be performed. The Event Sequence (SOE) recorder can report contact tremors and pulse widths as low as 6 ms, as well as all contact opening and closing with a time resolution of 1 ms.
Relay output
TRLYH1B stores 12 plug-in magnetic relays. Jumpers can be used to set the first 6 relay circuits, driving external solenoids or dry C-type contact outputs. For on-site solenoid valve power supply, standard 125 V DC or 115 V AC power supply and optional 24 V DC power supply can be provided, with separate jumper optional fuses and onboard suppression. The following five relays (7-11) have independent C-type contacts that are not energized. Output 12 uses isolated C-type contacts for special applications such as ignition transformers.
IS200TBAIH1C is a device called an analog terminal board. This type of PCB or printed circuit board is part of General Electric’s Mark VI series. The Mark VI and other products in the Mark series produced by General Electric are used to control and automate the production process of gas and steam turbines.
The IS200TBAIH1C printed circuit board is a very slender device. The left half of IS200TBAIH1C is occupied by two (2) black terminal boards. Each terminal board can contain up to 24 terminals, which are cubic shaped and made of silver metal. These terminals together have a total of forty-eight terminals, labeled as one (1) to forty-eight (48). The majority of the right edge of IS200TBAIH1C is occupied by three (3) medium-sized connector ports. These connector ports are arranged vertically on the right side of IS200TBAIH1C. A long row of electronic components is vertically arranged in the center of IS200TBAIH1C. Ten (10) potentiometers or variable resistors are evenly distributed in the center of IS200TBAIH1C. Four (4) additional potentiometers are concentrated in the lower right corner of is 200 Bai h1 c. At least nine (9) small black transistors are arranged along the right side of the middle section of IS200TBAIH1C. There is also a series of at least twenty (20) red jumpers located in the center of IS200TBAIH1C. Each jumper is used to connect at least two (2) small metal jumper pins. The middle part of IS200TBAIH1C is also covered with many black small rectangular diodes.
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