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- IS200VRTDH1DAC
- RTD Input Board
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- 280 x 33 x 220 mm
- 0.476 kg
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Product Overview
The GE IS200VRTDH1DAC RTD Input Board is a specialized industrial temperature measurement interface designed for integration into compatible GE control and automation systems. The board is associated with Resistance Temperature Detector (RTD) signal acquisition, allowing temperature information from field-mounted resistance sensors to be incorporated into an industrial monitoring and control architecture.
RTD measurement is widely used in industrial environments because temperature provides important information about the operating condition of electrical, mechanical, and process equipment. Motors, generators, turbines, bearings, pumps, compressors, transformers, heat exchangers, and other equipment can all benefit from continuous temperature monitoring. By bringing RTD signals into the control system, operators and controllers can observe thermal conditions and respond to abnormal operating trends.
The IS200VRTDH1DAC is identified as an RTD Input Board and has listed dimensions of 280 × 33 × 220 mm with a weight of approximately 0.476 kg. Its board-level construction is suitable for installation within compatible industrial control equipment where temperature measurement signals must be connected to the wider control architecture.
A typical measurement path can be represented as:
Industrial Equipment → RTD Sensor → IS200VRTDH1DAC → Temperature Measurement Processing → Control System
The exact electrical characteristics, supported RTD configurations, input capacity, wiring arrangement, and system functions should be verified against the applicable host equipment and board revision before installation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model | IS200VRTDH1DAC |
| Product Type | RTD Input Board |
| Measurement Technology | Resistance Temperature Detection |
| Primary Function | RTD temperature signal acquisition |
| Application | Industrial temperature monitoring and control |
| Product Family | GE IS200 Series |
| Board Type | Temperature Input / Measurement Interface |
| Dimensions | 280 × 33 × 220 mm |
| Weight | 0.476 kg |
| Installation | Compatible GE industrial control equipment |
| Typical Applications | Generator, motor, turbine, process and equipment temperature monitoring |
| Input Principle | Temperature-dependent resistance measurement |
| System Role | Field temperature sensor interface |
Note: Exact RTD channel quantity, supported sensor types, excitation characteristics, measurement accuracy, isolation, terminal assignments, and electrical limits can depend on the particular system configuration and board revision. These details should be confirmed before commissioning.
What Is the GE IS200VRTDH1DAC?
The GE IS200VRTDH1DAC is an RTD Input Board intended to provide an interface between resistance temperature sensors and a compatible GE industrial control system.
RTD sensors operate by changing electrical resistance as their temperature changes. The measurement electronics detect this resistance and convert the resulting electrical information into temperature-related data that can be processed by the control system.
The IS200VRTDH1DAC therefore belongs to the signal acquisition layer of an industrial automation architecture.
Its basic role can be understood through four stages:
- Temperature sensing – an RTD sensor detects the temperature of the monitored equipment.
- Signal transmission – the sensor’s electrical resistance signal travels through the field wiring.
- RTD input acquisition – the IS200VRTDH1DAC receives the temperature-related input.
- Control-system processing – the temperature information becomes available for monitoring, alarm, protection, or control functions.
This architecture allows temperature measurements to become part of a centralized industrial control strategy.
RTD Measurement Principle
A Resistance Temperature Detector measures temperature by exploiting the relationship between temperature and electrical resistance.
As the temperature of an RTD sensing element changes, its resistance changes in a predictable manner. The measurement electronics can determine this resistance and use the relationship between resistance and temperature to calculate the corresponding temperature value.
The general process is:
Temperature Change → RTD Resistance Change → Electrical Measurement → Temperature Data
In practical industrial installations, measurement accuracy can be affected by:
- Sensor characteristics
- Lead-wire resistance
- Wiring configuration
- Electrical noise
- Sensor installation
- Connector condition
- Environmental temperature
- Measurement-system configuration
For this reason, the RTD input board and field sensor should always be considered as one complete measurement system.
Function and Working Principle
RTD Signal Acquisition
An RTD installed on a machine or process component generates a resistance value that varies according to temperature.
The IS200VRTDH1DAC provides the associated input interface for incorporating this temperature information into the control architecture.
The monitored temperature may represent:
- Bearing temperature
- Motor temperature
- Generator temperature
- Winding temperature
- Turbine temperature
- Process temperature
- Equipment housing temperature
- Cooling-system temperature
The actual measurement points depend on the host application.
Electrical Measurement
The RTD input system measures the electrical characteristics of the connected sensing element.
Because the sensor resistance is related to temperature, the measurement can be converted into a useful temperature value.
This process requires correct sensor wiring and an appropriate measurement configuration.
Signal Processing
After acquisition, the temperature information can be processed by the associated control system.
Depending on the application, the measurement can support:
- Real-time temperature display
- High-temperature alarms
- Low-temperature alarms
- Equipment protection
- Process monitoring
- Historical trending
- Maintenance analysis
- Control logic
Continuous Temperature Monitoring
One of the main benefits of an integrated RTD input system is continuous monitoring.
Instead of relying on periodic manual inspection, operators can observe temperature values while equipment remains in service.
A changing temperature trend may provide an early indication of developing equipment problems.
For example, a gradual increase in bearing temperature could be associated with lubrication, alignment, mechanical loading, or other equipment conditions. The temperature measurement identifies the thermal change, while additional diagnostic information is required to determine its cause.
Role in Industrial Control Systems
The GE IS200VRTDH1DAC can operate as part of the field-signal acquisition layer of a larger industrial automation system.
Industrial control architectures often combine multiple measurement types, such as:
- Temperature
- Pressure
- Flow
- Level
- Vibration
- Speed
- Current
- Voltage
- Position
Temperature data is particularly valuable because excessive thermal conditions can affect both electrical and mechanical equipment.
A typical control architecture can be represented as:
Field Equipment → RTD Sensor → RTD Input Board → Control Processor → Alarm / Logic → HMI or SCADA
The IS200VRTDH1DAC is associated with the RTD input stage of this architecture.
Once acquired, the temperature information can be used by the host control system according to its programmed configuration.
Industrial Applications
Generator Temperature Monitoring
Generators commonly use temperature sensors to monitor thermal conditions at selected equipment locations.
RTD measurements can provide operators and control systems with continuous temperature information during generator operation.
This information may be incorporated into monitoring and protection strategies.
Motor Temperature Monitoring
Industrial motors can generate substantial heat during operation.
Temperature monitoring can help identify abnormal thermal conditions caused by:
- Excessive loading
- Cooling problems
- Bearing issues
- Electrical abnormalities
- High ambient temperature
- Ventilation restrictions
The RTD input system provides the measurement path required to incorporate these sensor signals into the control architecture.
Turbine Systems
Turbine installations can contain numerous mechanical and thermal measurement points.
RTD inputs can contribute to equipment monitoring by providing temperature information from selected components.
Pump Applications
Pump systems may monitor bearing, motor, housing, or process temperatures.
Continuous temperature information can be used alongside pressure, flow, and vibration data to provide a more complete picture of pump operating conditions.
Compressor Systems
Compressors may require temperature monitoring at bearings, motor components, discharge areas, or other process locations.
RTD measurements can be integrated into industrial control systems for monitoring and alarm functions.
Process Equipment
Industrial processes frequently involve heating, cooling, chemical reactions, or controlled liquid temperatures.
RTD input systems can therefore be used to incorporate temperature information into automated process monitoring.
Electrical Equipment
Transformers, generators, motors, and other electrical assemblies can use temperature sensing as part of thermal monitoring.
Temperature information can be evaluated alongside current and voltage measurements to identify abnormal operating conditions.
RTD Wiring and Signal Integrity
Correct field wiring is essential for reliable RTD measurement.
An RTD measurement circuit can be affected by the resistance of the connecting wires. Depending on the measurement architecture, different wiring configurations may be used to reduce the influence of lead resistance.
Common RTD wiring arrangements include:
- Two-wire configuration
- Three-wire configuration
- Four-wire configuration
The correct arrangement depends on the sensor and associated measurement system.
Incorrect wiring may produce:
- Temperature offset
- Incorrect temperature values
- Unstable measurements
- Open-circuit indications
- Short-circuit indications
- Loss of sensor input
Technicians should therefore verify the actual sensor wiring against the applicable control-system documentation before commissioning.
Installation Guidelines
Verify the Part Number
Before installation or replacement, verify the complete identification:
- IS200VRTDH1DAC
- Board revision
- Board markings
- Connector arrangement
- Rack location
- Host equipment
- Associated field wiring
The complete model number is important because GE IS200 boards can perform substantially different functions despite having similar physical construction.
Isolate the Equipment
Before accessing the control hardware, the associated equipment should be placed into an appropriate maintenance and safe state.
Power isolation should follow the facility’s established electrical safety procedures.
Inspect the Board
Before installation, visually inspect the board for:
- Physical damage
- Contamination
- Corrosion
- Damaged connectors
- Loose components
- Signs of overheating
Any abnormal condition should be investigated before commissioning.
Check Field Wiring
Verify the RTD sensor wiring before connecting the board.
Look for:
- Loose conductors
- Broken wires
- Damaged insulation
- Moisture
- Incorrect terminals
- Poor shielding
- Mechanical damage
Cabinet Installation and Environmental Management
The IS200VRTDH1DAC should be installed in an appropriate control-system environment.
Temperature Management
Excessive cabinet temperature can affect electronic component life and measurement stability.
Adequate ventilation and appropriate cabinet thermal management should therefore be maintained.
Humidity Control
High humidity and condensation can contribute to corrosion and insulation problems.
Dust Protection
Dust accumulation can contaminate connectors and contribute to thermal problems.
Vibration Reduction
Excessive vibration can affect board connectors and field wiring over time.
Electromagnetic Noise
RTD signals are measurement signals and may be affected by electrical interference.
Sensor cables should be routed appropriately and, where required by the system design, kept away from high-current switching conductors.
System Integration
A complete RTD monitoring architecture may include several layers.
| Component | Typical Function |
|---|---|
| RTD Sensor | Detects temperature |
| Sensor Wiring | Transfers the resistance signal |
| IS200VRTDH1DAC | Acquires RTD input information |
| Control Processor | Processes temperature data |
| Control Logic | Evaluates operating conditions |
| HMI | Displays temperature information |
| SCADA System | Provides supervisory monitoring and historical trends |
| Alarm System | Provides notification for configured conditions |
| Protection System | Initiates configured protective responses |
The exact architecture depends on the GE control platform and application.
Commissioning Procedure
After installation, the RTD input system should be checked systematically.
Step 1: Confirm Board Identification
Verify the installed board is the required GE IS200VRTDH1DAC.
Step 2: Check Connectors
Make sure all board connectors are correctly installed and securely seated.
Step 3: Verify Sensor Wiring
Confirm that each RTD sensor is connected according to the intended wiring arrangement.
Step 4: Check Sensor Condition
Inspect the sensor installation and confirm that the sensing element is correctly positioned.
Step 5: Verify Configuration
Check the control-system configuration for the intended RTD input and sensor characteristics.
Step 6: Compare the Temperature
Compare the displayed measurement with a suitable reference or expected process condition.
Step 7: Test Alarm Functions
Where permitted by the applicable maintenance procedure, verify temperature alarm functions and associated control logic.
Step 8: Monitor During Operation
Observe the temperature trend after equipment startup to confirm that the measurement behaves consistently with actual operating conditions.
Troubleshooting the IS200VRTDH1DAC
Temperature measurement faults should be diagnosed across the entire measurement chain.
No RTD Input
If the control system shows no valid temperature value, inspect:
- RTD sensor
- Sensor cable
- Board connectors
- Board installation
- Input configuration
- Control-system diagnostics
- Associated power and interface circuitry
A disconnected sensor can produce symptoms similar to an electronic input-board fault.
Temperature Reading Too High
A high indicated temperature can result from:
- Actual equipment overheating
- Sensor problems
- Incorrect wiring
- Configuration errors
- Cable resistance
- Electrical interference
- Input-interface problems
An independent temperature measurement can help determine whether the condition is genuine.
Temperature Reading Too Low
Possible causes include:
- Incorrect sensor connection
- Sensor failure
- Incorrect RTD configuration
- Wiring problems
- Connector problems
- Input-interface problems
- Actual low equipment temperature
Unstable Temperature Signal
An unstable RTD measurement may be caused by:
- Loose connections
- Damaged sensor cable
- Electrical interference
- Poor shielding
- Grounding problems
- Sensor degradation
- Mechanical vibration
The field wiring and sensor should be inspected before replacing the input board.
Intermittent Temperature Signal
An intermittent signal may indicate a loose connector, damaged conductor, intermittent sensor, or environmental problem.
Technicians should inspect the complete path between the sensor and control system.
Preventive Maintenance
Regular maintenance can improve the reliability of RTD temperature measurement.
Inspect Sensors
Check RTD sensors for physical damage, contamination, loose mounting, and deterioration.
Inspect Wiring
Sensor wiring should be checked for:
- Abrasion
- Moisture
- Broken conductors
- Loose terminals
- Excessive bending
- Shielding problems
Check Board Connections
Inspect board connectors during scheduled maintenance.
Monitor Temperature Trends
Trend monitoring is useful for identifying gradual changes in equipment thermal behavior.
A slow increase in temperature over several operating cycles may warrant investigation even when the measurement remains below the configured alarm threshold.
Maintain the Control Cabinet
The cabinet should be kept clean, dry, and within the environmental requirements of the installed control equipment.
Replacement Considerations
When sourcing a replacement for the GE IS200VRTDH1DAC RTD Input Board, the exact identification should be verified.
Important replacement information includes:
- Complete model number
- Revision designation
- Board markings
- Connector arrangement
- Host control system
- Rack position
- RTD wiring configuration
- Existing system configuration
The listed dimensions are:
280 × 33 × 220 mm
The listed weight is:
0.476 kg
These values can be useful for inventory management, equipment planning, and replacement logistics.
However, physical dimensions should not be used as the sole basis for determining compatibility.
Physical Dimensions and Weight
The GE IS200VRTDH1DAC has the following listed physical characteristics:
| Physical Parameter | Value |
|---|---|
| Length / Height | 280 mm |
| Width | 33 mm |
| Depth / Other Dimension | 220 mm |
| Weight | 0.476 kg |
The compact board construction allows the component to be integrated into compatible GE industrial control equipment while providing a dedicated interface for RTD-related temperature measurements.
Engineering Best Practices
Reliable RTD measurement requires attention to both electronics and field instrumentation.
Verify the Complete Measurement Chain
Do not diagnose the input board in isolation. Sensor condition, cable integrity, connectors, configuration, and actual process temperature should all be considered.
Use Correct RTD Wiring
The sensor wiring arrangement should match the intended measurement configuration.
Minimize Electrical Interference
Measurement cables should be routed appropriately to reduce exposure to high-power electrical noise.
Monitor Temperature Trends
Historical temperature data can reveal gradual changes that may not immediately trigger alarms.
Use Independent Verification
When troubleshooting an abnormal temperature value, comparison with an independent temperature instrument can help distinguish a real process condition from a measurement error.
Verify Before Replacement
An abnormal RTD reading does not automatically indicate an input-board failure. Sensor and wiring checks should normally be completed before replacing the electronic assembly.
Recommended Related GE Models
| GE Model | Product Description | General Role |
|---|---|---|
| IS200TRTDH1CCC | Resistance Temperature Detector | Temperature measurement |
| IS200DTCIH1ABB | Simplex Thermocouple Input Board | Thermocouple signal acquisition |
| IS200VAICH1DAA | VME Analog Input Board | Analog signal acquisition |
| IS200VAICH1DAB | VME Analog Input Board | Analog measurement interface |
| IS200TVIBH2BBB | Vibration Terminal Block | Vibration signal interface |
| IS200TVIBH2BCC | Vibration Terminal Block | Vibration monitoring |
| IS200VCRCH1BBB | Discrete Input/Output Board | Discrete signal interface |
| IS200VGENH1B | Generator Monitor and Trip Panel | Generator monitoring and protection |
These products represent related measurement, signal-interface, and monitoring functions within GE industrial control environments. They should not be treated as direct substitutes for the IS200VRTDH1DAC without confirming electrical and system compatibility.
Key Advantages
Dedicated RTD Input Function
The IS200VRTDH1DAC is designed specifically around resistance-based temperature signal acquisition, making it suitable for industrial temperature monitoring architectures.
Continuous Temperature Monitoring
RTD input allows temperature information to be incorporated into continuously operating automation systems.
Equipment Condition Monitoring
Temperature data can help operators observe thermal changes in motors, generators, turbines, pumps, compressors, and other equipment.
Industrial Control Integration
The board can form part of a larger GE control architecture in which temperature information is processed by controllers, alarms, HMI systems, and supervisory platforms.
Compact Physical Design
The listed 280 × 33 × 220 mm dimensions allow the board to be incorporated into compatible control equipment.
Lightweight Construction
With a listed weight of 0.476 kg, the board is practical for maintenance handling and spare-parts inventory.
Technical FAQs
What is the GE IS200VRTDH1DAC?
The GE IS200VRTDH1DAC is an RTD Input Board associated with resistance temperature measurement in compatible GE industrial control systems.
What does an RTD input board do?
An RTD input board receives electrical signals associated with resistance temperature sensors and makes the resulting temperature information available to the control system.
What is an RTD?
RTD stands for Resistance Temperature Detector. It is a temperature sensor whose electrical resistance changes according to temperature.
Where can the IS200VRTDH1DAC be used?
It can be used as part of compatible industrial control architectures for applications requiring temperature monitoring of equipment or processes.
What are the dimensions of the IS200VRTDH1DAC?
The listed dimensions are 280 × 33 × 220 mm.
How much does the IS200VRTDH1DAC weigh?
The listed weight is approximately 0.476 kg.
What can cause an RTD temperature reading to be incorrect?
Possible causes include sensor failure, incorrect wiring, lead resistance, loose connections, electrical interference, configuration errors, environmental conditions, or problems elsewhere in the measurement system.
Can the IS200VRTDH1DAC be replaced by another IS200 board?
A different IS200 board should not automatically be considered interchangeable. The complete model number, revision, connectors, host equipment, sensor configuration, and system requirements should be verified.
How can an RTD measurement fault be diagnosed?
Start by checking the actual equipment temperature, sensor condition, wiring, connectors, input configuration, and system diagnostics. The electronic board should only be considered one part of the complete measurement chain.
Why is temperature monitoring important in industrial automation?
Temperature can provide important information about equipment loading, cooling performance, mechanical condition, electrical behavior, and process conditions. Continuous monitoring can help operators identify abnormal thermal trends.
Conclusion
The GE IS200VRTDH1DAC RTD Input Board is a specialized industrial temperature signal acquisition component designed for integration with compatible GE control and automation equipment. By providing an interface for resistance temperature measurement, it enables temperature information from field-mounted RTD sensors to become part of a broader industrial monitoring and control architecture.
RTD-based measurement can support applications involving generators, motors, turbines, pumps, compressors, process equipment, and other industrial machinery where temperature is an important operating parameter. The resulting information can be used for monitoring, trending, alarms, equipment protection, and maintenance analysis according to the host system configuration.
The IS200VRTDH1DAC has listed dimensions of 280 × 33 × 220 mm and a weight of 0.476 kg. These specifications are useful for identification, inventory planning, cabinet integration, and replacement logistics.
For reliable performance, the board should be evaluated together with the RTD sensor, field wiring, connectors, control configuration, and installation environment. Correct sensor wiring, suitable cable routing, proper cabinet conditions, and systematic commissioning are important for maintaining stable temperature measurements.
When replacing or servicing the GE IS200VRTDH1DAC, technicians should verify the complete part number and revision rather than relying only on physical appearance. Proper identification and complete system-level troubleshooting help ensure dependable RTD measurement and stable industrial control performance.