IS200TSVCH1A GE Servo terminal board

Description

IS200TSVCH1A GE Servo terminal board

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Part No.: IS200TSVCH1A
Manufacturer: General Electric
Product Type: Servo Input/Output (TSVC) Terminal Board
Series: Mark VIe

The IS200TSVCH1A, from General Electric, is a Mark VI printed circuit board designed to function as a Servo terminal board.  This is one of several turbine-specific terminal boards available from GE as part of the Mark VI or Mark VIe Speedtronic system.   These I/O modules offer a direct interface to field devices.  This helps to reduce or eliminate much of the instrumentation that used to be needed.  Such reductions considerably simplify long-term maintenance and remove points of failure from the system.   It also enables direct diagnostics for the direct monitoring of field devices.    This board typically works along with a PSVOH1A pack.

The IS200TSVCH1A  is a removable barrier-type terminal block board.   The circuit board has 2-coil outputs, 2 channels, and 2 pulse rate inputs.   The board offers 8 LVDTs.

The IS200TSVCH1A  is populated with two lines of vertical connectors along the top of the board.   There are additional connectors toward the bottom right side of the board near one small terminal connector.  Two additional vertical connectors are located on the left side of the board.   Additionally, the board has two terminal strips located along the bottom of the board.

The IS200TSVCH1A  is marked with the GE logo and with the board ID number.  Additionally, the board carries reference designations so the user can easily identify individual components.

IS200TSVCH1A

IS200TSVCH1A

IS200TSVCH1A

IS200TSVCH1A

IS200TSVCH1A is a Servo I/O Terminal Board developed by GE. Two electro-hydraulic servo valves actuate the steam/fuel valves, and the Servo Input/Output (TSVC) terminal board interacts with them. Linear variable differential transformers are used to measure valve position (LVDT). TSVC is only compatible with the PSVO I/O pack and the WSVO servo driver; it is not compatible with the VSVO processor. Simplex, dual, and TMR control are all supported by the terminal board. Through socket J28, three 28 V dc supply are connected. JD1 or JD2 is external trip plugs for the protection module.

IS200TSVCH1A Installation
Two I/O terminal blocks are used to connect sensors and servo valves. Each block has 24 terminals that accommodate up to #12 AWG wiring and is held in place by two screws. To the left of each terminal block is a shield terminal strip that is connected to chassis ground. JD1 or JD2 are used to connect external trip wiring.

Operation
Two channels of bi-directional servo current outputs, LVDT position feedback, LVDT excitation, and pulse rate flowing inputs are available on the TSVC servo terminal board. It can excite up to eight LVDT valve position inputs and accept data from them. For each servo control loop, one, two, three, or four LVDTs are available. For gas turbine fuel flow monitoring, the two pulse rate inputs are employed.

There is a choice of one, two, three, or four LVDTs for each servo control loop. The two pulse rate inputs are used for gas turbine fuel flow measurement.

Number of inputs
There are eight LVDT windings in total.
Two pulse rate signals, magnetic or TTL
To turn off servo outputs, two pulse rate signals, magnetic or TTL, are used.
Number of outputs
10, 20, 40, 80, 120 mA servo valves with three coils each
LVDTs have four different sources of excitation (transformer isolation)
LVDTs have two different sources of excitation (no transformer isolation), Pulse rate transducers require two 24 V dc excitation sources.
Diagnostics
PSVO performs the following diagnostic checks on the terminal board components:

The output servo current is excessive or not responding, causing a fault.
The signal from the regulator feedback (LVDT) is out of range, causing a problem.
If the related regulator has two sensors, the poor sensor is eliminated from the feedback calculation and the good sensor is used.
If any of the above signals becomes unhealthy, L#DIAG PSVO is triggered.
The ToolboxST program provides details about the individual diagnostics. Individual diagnostic signals can be latched and reset using the RESET DIA signal if they become healthy.
IS200TSVCH1A Configuration
In a simplex system, jumper JP1 is used to set the proper coil current for servo 1, while jumper JP4 is used to set the correct coil current for servo 2. Each servo output in a TMR system can have three coils. In this scenario, JP 1-3 for servo 1 and JP 4-6 for servo 2 are used to jumper select each coil current. The ToolboxST application is used to configure all other servo boards.

IS200TSVCH1A Features
33.02 cm in height x 17.8 cm in width
Surface-mount technology
Operating temperature: -30°C to 65°C

Application industry:

Power plants, steel mills, automobiles, petrochemicals, tobacco, metallurgy

Note: Please follow the instruction manual of this product to install and debug, so as not to damage the product

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One year warranty:

Brand new product is guaranteed for one year

15 days replacement:

Within 15 days, there is no reason to return or exchange for non-artificial quality problems

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