The GE IS220PSVOH1A PSVO Servo Control Module is a key component in Mark VI and Mark VIe turbine control systems, providing precise servo‑valve control for steam and gas turbines. As part of GE’s Speedtronic‑based architecture, the module ensures stable, responsive actuator performance and reliable integration with modern turbine automation platforms.
Technical Specifications
Specification
Value
Model
IS220PSVOH1A
Module Type
PSVO Servo Control Module
Manufacturer
GE
Product Range
EX2100 / Mark VI / Mark VIe
System
DCS
Dimensions
6 × 12.6 × 8.2 cm
Weight
0.38 kg
HS Code
8537101190
Origin
USA
Servo Driver
WSVO module (2 servo valve position loops)
Network Interface
1–2 Ethernet I/O networks
Indicators
ENet1, ENet2, Power, Attn, ENA1/2 LEDs
Terminal Board Interface
TSVO servo terminal board
Additional Ports
Infrared port (not used)
Condition
Brand New
MOQ
1
Functional Description
The IS220PSVOH1A module acts as the electrical interface between turbine servo‑valve hardware and the Mark VI/VIe control network. Its integrated WSVO servo driver manages two independent servo‑valve position loops, ensuring smooth actuator movement and precise turbine control.
Key functional capabilities include:
Dual Ethernet I/O support for redundant or independent network paths
Real‑time servo loop processing for accurate valve positioning
LED‑based diagnostics for network, power, and attention status
Direct connection to TSVO terminal boards for streamlined field wiring
As part of the Speedtronic lineage, the module benefits from decades of GE turbine‑control engineering, offering long‑term reliability and compatibility with legacy and modern systems.
