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GE IS200SRTDH2ACB | Mark VI RTD Input Terminal Board
The GE IS200SRTDH2ACB is an RTD input terminal board associated with the GE Mark VI turbine control system. It is designed to interface resistance temperature detector signals from field sensors with the turbine-control system.
The board can be used for temperature monitoring in gas-turbine and steam-turbine applications, including bearing temperature, winding temperature, exhaust-gas temperature, and other equipment-protection measurements. It is suitable for legacy control-system maintenance, replacement, troubleshooting, and spare-parts management.
Some supplier listings describe the same part as a serial remote terminal data hub or a simplex analog-input board. These conflicting descriptions should be treated cautiously; the most consistent product identification is DRL RTD terminal board / RTD input terminal board.
Technical Details
Item Description
Manufacturer General Electric
Part number IS200SRTDH2ACB
Related assembly reference IS200SRTDH2A
Product type RTD input terminal board
System family GE Mark VI / Mark VIe
Application Temperature-sensor signal interface
Sensor input RTD, subject to system configuration
Mounting Terminal-board installation in the GE control-system cabinet
Condition New surplus, refurbished, rebuilt, or used
Compatibility Confirm with the control rack, I/O pack, wiring, and revision
One supplier lists eight RTD channels, supported sensor types, a 37-pin D-sub interface, dual 18-pin terminal blocks, and 24 VDC system power. These values are supplier-reported and should not be published as guaranteed specifications without confirmation from the relevant GE manual or wiring documentation.
Main Features
GE IS200-series industrial control hardware.
RTD signal termination and interface function.
Designed for temperature acquisition in turbine-control systems.
Suitable for bearing, winding, exhaust, and process-temperature monitoring.
Supports integration with compatible GE Mark VI I/O hardware.
Useful for replacement of obsolete or failed terminal boards.
May be available as new surplus, refurbished, rebuilt, or tested used stock.
Replacement Guide
Before replacing an IS200SRTDH2ACB, verify:
The complete part number, including H2ACB.
The related board reference, label, revision, and artwork number.
The connected I/O pack or controller.
RTD wiring method, including 2-wire, 3-wire, or 4-wire configuration.
Sensor type and resistance range.
Terminal numbering and connector arrangement.
Cabinet position and Mark VI or Mark VIe system architecture.
Open-circuit, short-circuit, and sensor-fault detection requirements.
Calibration and loop-check procedures after installation.
A visually similar analog-input or serial-interface board is not necessarily a compatible replacement. Match the complete part number and wiring configuration.
Important Technical Note
The online search results contain multiple inaccurate or contradictory descriptions for this model. In particular, some pages identify it as a serial data hub, while others call it a general analog-input or control board.
For SEO and technical accuracy, use the conservative description:
GE IS200SRTDH2ACB is an RTD input terminal board for GE Mark VI turbine control systems, used to interface field temperature sensors with compatible GE I/O hardware.
Do not add exact channel count, supported RTD types, excitation values, accuracy, isolation voltage, or connector pinouts unless they have been verified from GE technical documentation or the actual board.
Ordering Information
Include these details when requesting a quotation:
Complete part number: IS200SRTDH2ACB.
Required quantity.
Preferred condition: new, surplus, refurbished, rebuilt, or used.
Required test report and warranty.
Photos of the board label, terminals, connectors, and mounting side.
Associated GE Mark VI rack, I/O pack, and system information.
Destination country and delivery requirements.
A high-quality product page should include real inventory photos, visible identification labels, physical condition, testing status, warranty period, and lead time.
Frequently Asked Questions
What is GE IS200SRTDH2ACB?
GE IS200SRTDH2ACB is an RTD input terminal board used in GE Mark VI and related turbine-control systems.
What does RTD mean?
RTD means Resistance Temperature Detector. It measures temperature by detecting the change in electrical resistance of the sensing element.
What applications use this board?
Typical applications include turbine bearing-temperature monitoring, generator-winding temperature monitoring, exhaust-temperature measurement, and other industrial temperature-monitoring circuits.
Is IS200SRTDH2ACB a serial communication hub?
Some third-party listings use that description, but it conflicts with the more specific RTD terminal-board identification. Confirm the actual board marking and system drawings before assigning a communication function.
Is IS200SRTDH2ACB compatible with Mark VIe?
Some listings associate the board with Mark VIe as well as Mark VI. Compatibility must be confirmed against the specific I/O pack, terminal arrangement, and system revision.
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