GE IS220PSVOH1A PSVO Servo Control Module

Function: Servo Valve Output Pack for precision analog control

Number of Outputs: 2 isolated analog current loop outputs

Output Signal Range: 4–20 mA (typically), also configurable for 0–20 mA

Load Resistance: Up to 750 ohms

Resolution: 14-bit digital-to-analog conversion

Output Accuracy: ±0.25% of full scale over operating temperature

Update Rate: ≤ 10 ms per channel

Power Supply: 28 V DC (nominal); ≤ 0.5 A

Isolation: Channel-to-channel and channel-to-ground galvanic isolation

Ethernet Ports: Dual RJ-45 for redundant IONet communications

Connector Type: DC-37 pin connector for interfacing with terminal boards

Operating Temperature: -30°C to +65°C

Certifications: CE Marked, UL/cUL Listed, ATEX/Zone 2

Compatible Terminal Boards: IS200STCIH2A (for example)

Dual High-Resolution Analog Outputs: Provides two isolated current loop outputs with 14-bit resolution.

Redundant Network Capability: Dual Ethernet ports support redundant IONet communications.

Advanced Diagnostics and Fault Detection: Real-time monitoring of output current, loop integrity, and internal temperature.

Hot-Swappable Design: Enables online replacement without system shutdown.

Built-In Isolation: Channel-to-channel and ground isolation protects sensitive circuits.

Conformal-Coated PCB: Industrial-grade protection from dust, humidity, and corrosive atmospheres.

Large gas turbine plant in the Middle East：
In multiple gas turbine plants in Saudi Arabia and the United Arab Emirates, IS220PSVOH1A drives the solid-state relays of the gas regulating valves to achieve fast valve response.

Offshore oil and gas platform in Northern Europe:
In harsh marine environments, IS220PSVOH1A is used to drive valves and blowout preventer control modules to ensure safe shutdown and real-time fire isolation.

Petrochemical cracking unit in Southeast Asia:
In the combustion control of ethylene cracking furnaces, IS220PSVOH1A is used as a trigger pulse module to achieve refined energy-saving control of multiple burners.