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IS220PSVOH1A

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The General Electric IS220PSVOH1A Servo I/O Card is a high-performance interface module designed for precise servo control and LVDT signal processing in industrial turbine systems. It integrates advanced input/output handling with stable excitation and accurate valve control for critical automation applications.
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Technical specifications for IS220PSVOH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS220PSVOH1A
  • Product Family:
    GE Mark VIe Distributed I/O
  • Power Supply:
    28 Vdc
  • Current Max:
    1.0 Adc
  • LVDT Input:
    7 V, High Impedance
  • Servo Valve Output:
    35 V Max, 120 mA Max
  • Excitation Source For LVDT:
    7 Vrms, 20 mA
  • Ambient Temperature Rating:
    -30 to + 65 °C (-22 to + 149 °F)
  • Weight:
    0.38 kg
  • Estimated shipping dimensions:
    6x12.6x8.2cm
  • Tariff Code:
    8708709900
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Installation & Upgrades Protection

Features:

  • High Precision LVDT Signal Handling With Stable Excitation Source
  • Reliable Servo Valve Output Control For Critical Applications
  • Wide Operating Temperature Range Supporting Harsh Environments
The General Electric IS220PSVOH1A plays a critical role in industrial automation systems by bridging the gap between field signals and control logic. It is specifically designed to process LVDT inputs and deliver controlled outputs to servo valves, making it ideal for applications where precision and responsiveness are essential. Its architecture ensures that both signal acquisition and actuation are handled with high reliability.

With its integrated processor and communication boards, the IS220PSVOH1A simplifies system design while maintaining strong performance. The ability to work with dedicated components such as the IS200TSVCH2A and IS200WSVOH1A enhances its flexibility and scalability. This allows engineers to build modular control systems that can be easily expanded or maintained over time.

In industrial environments where stability and durability are crucial, the IS220PSVOH1A stands out due to its robust design and consistent performance. Its capability to operate within a wide temperature range and deliver stable excitation and output signals makes it a dependable solution for turbine control, motion systems, and other high-demand automation applications.

The IS220PSVOH1A General Electric Servo I/O Card may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IS220PSVOH1A Servo I/O Card Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
General Electric IS220PSVOH1A Servo I/O Card Specs

General

  • Manufacturer General Electric
  • Model IS220PSVOH1A
  • Condition New Original ready stock
  • Product Family IS220PVIBH1A,IS220PPRFH1A,IS220PAICH1A
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Gas Turbine Inlet Control: Works with hydraulic actuators to adjust the adjustable stationary vane (IGV) angle, optimizing compressor efficiency based on ambient temperature and pressure.
  • Fuel System Regulation: Precisely drives gaseous or liquid fuel control valves, directly controlling turbine speed and load.
  • Steam Turbine Main Steam Valve Control: Used for high-pressure/medium-pressure regulating valve control in large generator sets, achieving high-frequency response speed regulation.
  • Electro-hydraulic actuator synchronization: In complex systems that require multiple actuators to work together, sub-millisecond-level synchronous control is achieved through multiple PSVO modules.
  • Plug-and-Play: Designed for direct mounting on the terminal board, using a bottom connector and TSVC interface to reduce intermediate wiring.
  • Hot Swap: In dual-redundant or TMR (three-way voting) systems, a faulty PSVO module can be replaced without powering on the system, eliminating the need for downtime.
  • Automatic Firmware Synchronization: After replacing a module, the Mark VIe controller automatically synchronizes its firmware version with existing modules in the system, ensuring compatibility.
  • Energy Storage and Self-Test: The module has built-in self-diagnostic firmware that performs a full circuit self-test upon power-up, providing immediate feedback on the module's health status via front-facing LED indicators.
  • Bidirectional Current Monitoring: Real-time monitoring of the current output to the servo valve, verifying the consistency between command values ​​and actual output values ​​through an internal feedback loop to prevent runaway.
  • LVDT Status Detection: Automatically diagnoses the operating status of the LVDT sensor, including signal loss, exceeding effective range limits, and short/open circuit faults in the secondary side cable.
  • Internal Temperature Warning: Onboard temperature sensors monitor the temperature of the core components of the module, issuing alarms before reaching dangerous thresholds to protect electronic components from overheating damage.
  • Communication Integrity Verification: IONet communication via dual Ethernet ports, real-time checking for data packet loss, and supporting automatic switching to a preset safe state in the event of signal loss.
Description
The General Electric IS220PSVOH1A is engineered as a dedicated servo interface module, combining the IS200BPPBH2B processor board and IS200BSVOH1A communications board into a compact and efficient I/O pack. Designed for use in demanding control environments, the IS220PSVOH1A ensures reliable signal acquisition and output control, particularly in turbine and motion control systems where precision is essential.

For signal input, the IS220PSVOH1A supports LVDT inputs with a 7 V high-impedance configuration, allowing accurate position feedback without loading the signal source. The module also provides a stable excitation source of 7 Vrms at 20 mA, ensuring consistent and reliable operation of connected LVDT sensors. These features make the IS220PSVOH1A especially suitable for applications requiring high-resolution displacement measurement.

On the output side, the IS220PSVOH1A delivers servo valve control with a maximum output of 35 V and 120 mA, enabling precise actuation in control loops. Powered by a 28 Vdc supply with a maximum current of 1.0 Adc, the module maintains efficient energy usage while supporting stable operation across a wide ambient temperature range of -30 to +65 °C. This ensures that the IS220PSVOH1A can perform reliably in both standard and harsh industrial environments.

The IS220PSVOH1A is designed to operate seamlessly with associated hardware, including the IS200TSVCH2A terminal backplane board and IS200WSVOH1A daughter board, forming a complete and integrated control solution. When deployed together, the IS220PSVOH1A enables efficient signal routing, system scalability, and simplified maintenance, making it a strong choice for modern industrial automation systems.
Revisions

Revision Part #

Also known as

IS220PSVOH1AC
IS220PSVOH1A-C, Series C, Rev C
IS220PSVOH1AD
IS220PSVOH1A-D, Series D, Rev D
IS220PSVOH1AE
IS220PSVOH1A-E, Series E, Rev E
Alternative Names
IS220PDIAH1A IS220PDIAH1B IS220PDIOH1A IS220PDIOH1B IS220PRTDH1A
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why does the IS220PSVOH1A use high-impedance LVDT input?
High impedance ensures minimal signal loading, preserving measurement accuracy. This is particularly important in applications requiring stable and precise displacement feedback.
How does the IS220PSVOH1A support servo valve operation?
The IS220PSVOH1A outputs up to 35 V and 120 mA to control servo valves.
What power requirements does the IS220PSVOH1A have?
The module operates on a 28 Vdc power supply with a maximum current of 1.0 Adc.
How does the IS220PSVOH1A handle temperature variations?
The IS220PSVOH1A is rated for -30 to +65 °C ambient conditions.

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