Description
IS200STTCH1A – RTD terminal board is available in stock which ships the same day.
IS200STTCH1A – RTD terminal board comes in UNUSED as well as REBUILT condition.
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IS200STTCH1A Other names:
Turbine control processor IS200STTCH1A
IS200STTCH1A Turbo drive module
Gas turbine controller module IS200STTCH1A
Product Description
IS200STTCH1A is used as a servo control package. This component is manufactured by GE for its Mark VI or Mark VIe system. Both systems are used to control steam and gas turbine systems.
IS200STTCH1A provides an electrical interface between one or two I/O Ethernet networks and the TSVO servo terminal board. IS200STTCH1A uses the WSVO servo driver module to handle two servo valve position loops. PSVO has a front panel with multiple LED indicator lights. This includes four LEDs to indicate the status of two Ethernet networks (ENet1/Enet2), as well as one power and Attn LED, and two other LEDs labeled ENA1/2. There is also an infrared port in front, which is not used in this package..jpg)
After installation, IS200STTCH1A will configure the control system toolbox application. This kit includes a processor board with an input power connector, local power supply, and an internal sensor for temperature monitoring. The board also has onboard flash memory and RAM. The board is connected to the acquisition board.
IS200STTCH1A can be automatically reconfigured during replacement. This option can be enabled/disabled through the ToolboxST application through the component editor. The component editor also allows operators to manually reconfigure modules as needed. When replacing the terminal board, the I/O package must be manually reconfigured.
IS200STTCH1A is a servo interface I/O package developed by GE under the Mark VIe control system. This I/O package is an electrical interface that can connect one or two I/O Ethernet networks to the TSVO servo terminal board. In order to manage the position rings of two servo valves, this component uses a WSVO servo driver module. The front panel of PSVO contains various LED indicator lights..jpg)
Four LEDs display the status of two Ethernet networks (ENet1/Enet2), as well as one power and Attn LED and two other LEDs called ENA1/2. There is also an infrared port in front, which is not used in this package. After installation, use the Control System Toolbox application to configure components. This package includes a processing board with an input power connector, local power supply, and internal temperature sensor. The board also has flash memory and RAM.
After replacing the circuit board, it can be automatically reconfigured. This option can be activated or disabled in the component editor of the ToolboxST application. If necessary, the operator can manually reconfigure the module using the component editor. After replacing the terminal board, the I/O package must be manually reconfigured. Manual operation of actuators
Mode, position slope, or step current can be used to test servo performance. The trend recorder will display any abnormal conditions during the actuator stroke.
For more information on this component and other circuit board components, installation and operation, as well as potential compatibility issues, please refer to the manufacturer’s user guide and manual.
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The specific customer service quotation shall prevail, as the product is a new product and the price is not genuine,
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II. Core Hardware Specifications
Signal Channels
24 Differential Thermocouple Input Channels
Supports K, J, and T type thermocouples, compatible with weak analog signals from -8mV to +45mV.
Cold Junction Compensation
Onboard high-precision temperature sensing chip, cold junction compensation accuracy ±0.5℃, no external compensation box required.
Isolation and Interference Immunity
1500VDC electrical isolation between channels/channel to ground.
Common-mode rejection ratio -80dB (DC~100Hz), suitable for strong electromagnetic and vibration environments in power plants.
Response Speed
Typical single-channel acquisition response ≤10ms.
Power Supply and Installation
24V DC power from the back panel, standard Mark VIe I/O rack slot mounting.
High-density connectors on the back panel interface with the I/O Pack main control card; front-end screw terminals connect to field temperature sensing elements.
III. Core Functions
Turbine Temperature Acquisition
Gas Turbine/ Temperature signals from thermocouples in the turbine bearings, combustion chamber, exhaust, and cylinder block are uploaded to the controller for temperature monitoring, over-temperature protection, and combustion optimization logic.
Signal Conditioning
Amplification, filtering, and isolation of weak millivolt-level thermocouple signals are performed to suppress electromagnetic interference from field motors and servo valves.
Real-time Channel Diagnostics
Automatic detection of thermocouple open circuits, short circuits, and over-range readings triggers system temperature alarms and interlock shutdowns.
Simplified Architecture
The 1A suffix indicates simplex (Simplplex) with no redundancy; the redundant temperature measurement selection is IS200STTCS2A (duplex thermocouple board).
IV. Supporting Hardware (System Configuration)
Back-end I/O Main Controller: IS220PTCIH, IS220PDIIH General-purpose Analog I/O Pack
Differentiation within the Series:
IS200STTCH1A: Simplex Thermocouple Board (Temperature Measurement)
IS200TSVCH1A: Servo Valve LVDT Interface Board (Servo Closed-Loop Control)
IS200STCIH1A: Switch Input Board
IS200SRTDH2A: Platinum Resistance RTD Temperature Measurement Board
V. Typical Application Scenarios
Combined Cycle Gas Power Plant:
9F/7E gas turbine exhaust temperature, combustion chamber, and bearing temperature monitoring; over-temperature shutdown protection logic.
Steam Turbine Power Plant:
Steam turbine cylinder block, bearings, and waste heat boiler temperature measurement; start-up and shutdown heating rate interlock control.
Refining/Chemical Turbine Units
Process compressor and drive turbine temperature ESD emergency shutdown protection.
Waste heat power generation, biomass power generation
Heat exchange equipment, high-temperature multi-point temperature acquisition in flue gas.
VI. Common Faults and Troubleshooting
Temperature jumps, numerical drift: Loose terminals, poor thermocouple shielding grounding, damaged channel isolation.
No readings on channels: Thermocouple open circuit, reversed terminal wiring, blown circuit board channel fuse.
No data on the entire board: Poor contact of backplane connector, abnormal power supply to I/O Pack backplane.
Frequent disconnection alarms: Aging of field thermocouple circuits, strong interference entering the signal circuit.
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